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-rw-r--r--gr-digital/.gitignore3
-rw-r--r--gr-digital/CMakeLists.txt2
-rw-r--r--gr-digital/Makefile.am31
-rw-r--r--gr-digital/apps/.gitignore2
-rw-r--r--gr-digital/apps/Makefile.am33
-rw-r--r--gr-digital/doc/.gitignore2
-rw-r--r--gr-digital/doc/Makefile.am27
-rw-r--r--gr-digital/examples/.gitignore8
-rw-r--r--gr-digital/examples/CMakeLists.txt22
-rw-r--r--gr-digital/examples/Makefile.am47
-rw-r--r--gr-digital/examples/demod/ber_simulation.grc651
-rw-r--r--gr-digital/examples/demod/digital_freq_lock.grc1321
-rw-r--r--gr-digital/examples/demod/dpsk_loopback.grc502
-rw-r--r--gr-digital/examples/demod/mpsk_demod.grc598
-rw-r--r--gr-digital/examples/demod/pam_sync.grc1744
-rw-r--r--gr-digital/examples/demod/pam_timing.grc1388
-rwxr-xr-xgr-digital/examples/narrowband/digital_bert_rx.py2
-rw-r--r--gr-digital/grc/.gitignore2
-rw-r--r--gr-digital/grc/Makefile.am57
-rw-r--r--gr-digital/include/.gitignore2
-rw-r--r--gr-digital/include/Makefile.am54
-rw-r--r--gr-digital/lib/.gitignore4
-rw-r--r--gr-digital/lib/Makefile.am59
-rw-r--r--gr-digital/python/.gitignore3
-rw-r--r--gr-digital/python/Makefile.am71
-rw-r--r--gr-digital/python/run_tests.in10
-rw-r--r--gr-digital/python/utils/.gitignore3
-rw-r--r--gr-digital/python/utils/Makefile.am34
-rw-r--r--gr-digital/swig/.gitignore9
-rw-r--r--gr-digital/swig/Makefile.am104
-rw-r--r--gr-digital/swig/Makefile.swig.gen142
-rw-r--r--gr-digital/swig/digital_swig.i18
-rw-r--r--gr-digital/swig/gnuradio/.gitignore2
-rw-r--r--gr-digital/swig/run_guile_tests.in14
34 files changed, 6226 insertions, 745 deletions
diff --git a/gr-digital/.gitignore b/gr-digital/.gitignore
deleted file mode 100644
index 37c287f40..000000000
--- a/gr-digital/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-/Makefile
-/Makefile.in
-gnuradio-digital.pc
diff --git a/gr-digital/CMakeLists.txt b/gr-digital/CMakeLists.txt
index 099af0869..eb7ed67e1 100644
--- a/gr-digital/CMakeLists.txt
+++ b/gr-digital/CMakeLists.txt
@@ -39,6 +39,8 @@ GR_SET_GLOBAL(GR_DIGITAL_SWIG_INCLUDE_DIRS
${CMAKE_CURRENT_SOURCE_DIR}/swig
)
+SET(GR_PKG_DIGITAL_EXAMPLES_DIR ${GR_PKG_DATA_DIR}/examples/digital)
+
########################################################################
# Begin conditional configuration
########################################################################
diff --git a/gr-digital/Makefile.am b/gr-digital/Makefile.am
deleted file mode 100644
index 85a9bbbde..000000000
--- a/gr-digital/Makefile.am
+++ /dev/null
@@ -1,31 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-
-SUBDIRS = include lib doc
-
-if PYTHON
-SUBDIRS += swig python apps grc examples
-endif
-
-pkgconfigdir = $(libdir)/pkgconfig
-dist_pkgconfig_DATA = gnuradio-digital.pc
diff --git a/gr-digital/apps/.gitignore b/gr-digital/apps/.gitignore
deleted file mode 100644
index 282522db0..000000000
--- a/gr-digital/apps/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-Makefile
-Makefile.in
diff --git a/gr-digital/apps/Makefile.am b/gr-digital/apps/Makefile.am
deleted file mode 100644
index 7373a0719..000000000
--- a/gr-digital/apps/Makefile.am
+++ /dev/null
@@ -1,33 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-
-if PYTHON
-
-dist_bin_SCRIPTS =
-
-noinst_PYTHON =
-
-endif
-
-EXTRA_DIST +=
-
diff --git a/gr-digital/doc/.gitignore b/gr-digital/doc/.gitignore
deleted file mode 100644
index b336cc7ce..000000000
--- a/gr-digital/doc/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-/Makefile
-/Makefile.in
diff --git a/gr-digital/doc/Makefile.am b/gr-digital/doc/Makefile.am
deleted file mode 100644
index dbfe1d5a2..000000000
--- a/gr-digital/doc/Makefile.am
+++ /dev/null
@@ -1,27 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-
-SUBDIRS =
-
-dist_gr_doc_DATA = \
- README.digital
diff --git a/gr-digital/examples/.gitignore b/gr-digital/examples/.gitignore
deleted file mode 100644
index d7028d40d..000000000
--- a/gr-digital/examples/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-/Makefile
-/Makefile.in
-/*.8b
-/*.16s
-/*.16i
-/*.32f
-/*.32fc
-/*.16sc
diff --git a/gr-digital/examples/CMakeLists.txt b/gr-digital/examples/CMakeLists.txt
index 5c652fc83..33d257e59 100644
--- a/gr-digital/examples/CMakeLists.txt
+++ b/gr-digital/examples/CMakeLists.txt
@@ -19,6 +19,7 @@
include(GrPython)
+# Base stuff
GR_PYTHON_INSTALL(PROGRAMS
example_costas.py
example_fll.py
@@ -26,10 +27,11 @@ GR_PYTHON_INSTALL(PROGRAMS
run_length.py
gen_whitener.py
snr_estimators.py
- DESTINATION ${GR_PKG_DATA_DIR}/examples/digital
+ DESTINATION ${GR_PKG_DIGITAL_EXAMPLES_DIR}
COMPONENT "digital_python"
)
+# Narrowband
GR_PYTHON_INSTALL(PROGRAMS
narrowband/transmit_path.py
narrowband/receive_path.py
@@ -41,10 +43,11 @@ GR_PYTHON_INSTALL(PROGRAMS
narrowband/digital_bert_rx.py
narrowband/digital_bert_tx.py
narrowband/tunnel.py
- DESTINATION ${GR_PKG_DATA_DIR}/examples/digital/narrowband
+ DESTINATION ${GR_PKG_DIGITAL_EXAMPLES_DIR}/narrowband
COMPONENT "digital_python"
)
+# OFDM
GR_PYTHON_INSTALL(PROGRAMS
ofdm/benchmark_add_channel.py
ofdm/benchmark_rx.py
@@ -55,6 +58,19 @@ GR_PYTHON_INSTALL(PROGRAMS
ofdm/transmit_path.py
ofdm/tunnel.py
ofdm/uhd_interface.py
- DESTINATION ${GR_PKG_DATA_DIR}/examples/digital/ofdm
+ DESTINATION ${GR_PKG_DIGITAL_EXAMPLES_DIR}/ofdm
+ COMPONENT "digital_python"
+)
+
+# DEMOD
+install(
+ FILES
+ demod/digital_freq_lock.grc
+ demod/mpsk_demod.grc
+ demod/pam_sync.grc
+ demod/pam_timing.grc
+ demod/ber_simulation.grc
+ demod/dpsk_loopback.grc
+ DESTINATION ${GR_PKG_DIGITAL_EXAMPLES_DIR}/demod
COMPONENT "digital_python"
)
diff --git a/gr-digital/examples/Makefile.am b/gr-digital/examples/Makefile.am
deleted file mode 100644
index 3e6b32e85..000000000
--- a/gr-digital/examples/Makefile.am
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-
-dig_examples_prefix= $(exampledir)/digital
-
-basicdatadir = $(dig_examples_prefix)
-dist_basicdata_SCRIPTS = \
- example_costas.py \
- example_fll.py \
- example_timing.py \
- run_length.py \
- gen_whitener.py \
- snr_estimators.py
-
-nbdatadir = $(dig_examples_prefix)/narrowband
-dist_nbdata_SCRIPTS = \
- narrowband/transmit_path.py \
- narrowband/receive_path.py \
- narrowband/uhd_interface.py \
- narrowband/benchmark_tx.py \
- narrowband/benchmark_rx.py \
- narrowband/tx_voice.py \
- narrowband/rx_voice.py \
- narrowband/digital_bert_rx.py \
- narrowband/digital_bert_tx.py \
- narrowband/tunnel.py
-
diff --git a/gr-digital/examples/demod/ber_simulation.grc b/gr-digital/examples/demod/ber_simulation.grc
new file mode 100644
index 000000000..6a9361ed1
--- /dev/null
+++ b/gr-digital/examples/demod/ber_simulation.grc
@@ -0,0 +1,651 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Tue Apr 3 18:11:51 2012</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>ber_sim</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>BER Simulation</value>
+ </param>
+ <param>
+ <key>author</key>
+ <value>Example</value>
+ </param>
+ <param>
+ <key>description</key>
+ <value>Adjust the noise and constellation... see what happens!</value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>1280, 1024</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>wx_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run_options</key>
+ <value>prompt</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(16, 10)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_noise_source_x</key>
+ <param>
+ <key>id</key>
+ <value>gr_noise_source_x</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>noise_type</key>
+ <value>gr.GR_GAUSSIAN</value>
+ </param>
+ <param>
+ <key>amp</key>
+ <value>noise</value>
+ </param>
+ <param>
+ <key>seed</key>
+ <value>42</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(235, 379)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_numbersink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_numbersink2</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>BER</value>
+ </param>
+ <param>
+ <key>units</key>
+ <value>%</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>min_value</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>max_value</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>factor</key>
+ <value>100</value>
+ </param>
+ <param>
+ <key>decimal_places</key>
+ <value>4</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>number_rate</key>
+ <value>15</value>
+ </param>
+ <param>
+ <key>peak_hold</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>average</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>avg_alpha</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>show_gauge</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>1, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1062, 11)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_throttle</key>
+ <param>
+ <key>id</key>
+ <value>gr_throttle</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>samples_per_second</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(397, 27)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>50e3</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(20, 168)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>import</key>
+ <param>
+ <key>id</key>
+ <value>import</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>import</key>
+ <value>import math</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(138, 168)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>"Constellation: "+str(const)</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>2, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>trig_mode</key>
+ <value>gr.gr_TRIG_MODE_AUTO</value>
+ </param>
+ <param>
+ <key>y_axis_label</key>
+ <value>Counts</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(828, 368)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_add_xx</key>
+ <param>
+ <key>id</key>
+ <value>gr_add_xx</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(652, 395)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_constellation_decoder_cb</key>
+ <param>
+ <key>id</key>
+ <value>digital_constellation_decoder_cb_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>constellation</key>
+ <value>const.base()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(693, 205)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>const</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>digital.qpsk_constellation()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(16, 461)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>const_points</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>const.points()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(17, 532)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>random_source_x</key>
+ <param>
+ <key>id</key>
+ <value>random_source_x</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>len(const_points)</value>
+ </param>
+ <param>
+ <key>num_samps</key>
+ <value>1000000</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(15, 244)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_chunks_to_symbols_xx</key>
+ <param>
+ <key>id</key>
+ <value>gr_chunks_to_symbols_xx</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>in_type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>out_type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>symbol_table</key>
+ <value>const_points</value>
+ </param>
+ <param>
+ <key>dimension</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>num_ports</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(367, 260)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blks2_error_rate</key>
+ <param>
+ <key>id</key>
+ <value>blks2_error_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>'BER'</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value>1000000</value>
+ </param>
+ <param>
+ <key>bits_per_symbol</key>
+ <value>int(math.log(len(const_points))/math.log(2))</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(670, 41)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>noise</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>AWGN Noise</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.10</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>100</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(268, 481)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>blks2_error_rate</source_block_id>
+ <sink_block_id>wxgui_numbersink2</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle</source_block_id>
+ <sink_block_id>blks2_error_rate</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_chunks_to_symbols_xx</source_block_id>
+ <sink_block_id>gr_add_xx</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_noise_source_x</source_block_id>
+ <sink_block_id>gr_add_xx</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>random_source_x</source_block_id>
+ <sink_block_id>gr_throttle</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>random_source_x</source_block_id>
+ <sink_block_id>gr_chunks_to_symbols_xx</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_add_xx</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_constellation_decoder_cb_0</source_block_id>
+ <sink_block_id>blks2_error_rate</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_add_xx</source_block_id>
+ <sink_block_id>digital_constellation_decoder_cb_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-digital/examples/demod/digital_freq_lock.grc b/gr-digital/examples/demod/digital_freq_lock.grc
new file mode 100644
index 000000000..36037febb
--- /dev/null
+++ b/gr-digital/examples/demod/digital_freq_lock.grc
@@ -0,0 +1,1321 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Sat Mar 6 17:17:12 2010</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>top_block</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value></value>
+ </param>
+ <param>
+ <key>author</key>
+ <value></value>
+ </param>
+ <param>
+ <key>description</key>
+ <value></value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>1280, 1024</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>wx_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run_options</key>
+ <value>prompt</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(10, 10)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_uchar_to_float</key>
+ <param>
+ <key>id</key>
+ <value>gr_uchar_to_float_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(217, 108)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_uchar_to_float</key>
+ <param>
+ <key>id</key>
+ <value>gr_uchar_to_float_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(216, 273)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>freq_offset</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Frequency Offset</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>-0.5</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.5</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(293, 684)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>random_source_x</key>
+ <param>
+ <key>id</key>
+ <value>random_source_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>pam_amp</value>
+ </param>
+ <param>
+ <key>num_samps</key>
+ <value>10000</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(13, 80)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>random_source_x</key>
+ <param>
+ <key>id</key>
+ <value>random_source_x_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>pam_amp</value>
+ </param>
+ <param>
+ <key>num_samps</key>
+ <value>10000</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(15, 245)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>const_source_x</key>
+ <param>
+ <key>id</key>
+ <value>const_source_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>const</key>
+ <value>-0.5*(pam_amp-1)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(213, 197)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>const_source_x</key>
+ <param>
+ <key>id</key>
+ <value>const_source_x_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>const</key>
+ <value>-0.5*(pam_amp-1)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(200, 360)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_add_xx</key>
+ <param>
+ <key>id</key>
+ <value>gr_add_xx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(440, 167)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_add_xx</key>
+ <param>
+ <key>id</key>
+ <value>gr_add_xx_0_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(430, 330)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>nfilts</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>32</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(435, 686)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>noise_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Channel Noise</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(168, 684)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>spb_gen</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>4</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(119, 841)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>pam_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(223, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>spb</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>4.1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(32, 842)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_float_to_complex</key>
+ <param>
+ <key>id</key>
+ <value>gr_float_to_complex_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(590, 184)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_throttle</key>
+ <param>
+ <key>id</key>
+ <value>gr_throttle_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>samples_per_second</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(788, 197)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>notebook</key>
+ <param>
+ <key>id</key>
+ <value>notebook_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.NB_TOP</value>
+ </param>
+ <param>
+ <key>labels</key>
+ <value>['Freq', 'Time']</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(216, 845)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Signal into Receiver</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1123, 392)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_fftsink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_fftsink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Signal into Receiver</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>baseband_freq</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>y_per_div</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>y_divs</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_scale</key>
+ <value>2.0</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>fft_rate</key>
+ <value>30</value>
+ </param>
+ <param>
+ <key>peak_hold</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>average</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>avg_alpha</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>win</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1122, 473)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Frequency Corrected Signal</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1122, 680)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_fftsink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_fftsink2_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Frequency Corrected Signal</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>baseband_freq</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>y_per_div</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>y_divs</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_scale</key>
+ <value>2.0</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>fft_rate</key>
+ <value>30</value>
+ </param>
+ <param>
+ <key>peak_hold</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>average</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>avg_alpha</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>win</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1121, 762)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>32000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(128, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>sig_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(315, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>rolloff</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.35</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(398, 12)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>rrctaps</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>firdes.root_raised_cosine(nfilts,1.0,1.0/(spb*nfilts), .35, int(11*spb*nfilts))</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(826, 61)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>root_raised_cosine_filter</key>
+ <param>
+ <key>id</key>
+ <value>root_raised_cosine_filter_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>interp_fir_filter_ccf</value>
+ </param>
+ <param>
+ <key>decim</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>interp</key>
+ <value>spb_gen</value>
+ </param>
+ <param>
+ <key>gain</key>
+ <value>2*spb_gen</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>sym_rate</key>
+ <value>1./spb_gen</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>rolloff</value>
+ </param>
+ <param>
+ <key>ntaps</key>
+ <value>44</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(978, 157)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_fll_band_edge_cc</key>
+ <param>
+ <key>id</key>
+ <value>gr_fll_band_edge_cc_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>cc</value>
+ </param>
+ <param>
+ <key>samps_per_sym</key>
+ <value>spb_gen</value>
+ </param>
+ <param>
+ <key>rolloff</key>
+ <value>rolloff</value>
+ </param>
+ <param>
+ <key>filter_size</key>
+ <value>44</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>beta</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(874, 664)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_channel_model</key>
+ <param>
+ <key>id</key>
+ <value>gr_channel_model_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>noise_voltage</key>
+ <value>noise_amp</value>
+ </param>
+ <param>
+ <key>freq_offset</key>
+ <value>freq_offset</value>
+ </param>
+ <param>
+ <key>epsilon</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>seed</key>
+ <value>42</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(618, 376)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>beta</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Freq Beta</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.01</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(668, 5)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Freq Alpha</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.1</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(552, 4)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>random_source_x_0</source_block_id>
+ <sink_block_id>gr_uchar_to_float_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_uchar_to_float_0</source_block_id>
+ <sink_block_id>gr_add_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>const_source_x_0</source_block_id>
+ <sink_block_id>gr_add_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_uchar_to_float_0_0</source_block_id>
+ <sink_block_id>gr_add_xx_0_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>const_source_x_0_0</source_block_id>
+ <sink_block_id>gr_add_xx_0_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>random_source_x_0_0</source_block_id>
+ <sink_block_id>gr_uchar_to_float_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_add_xx_0</source_block_id>
+ <sink_block_id>gr_float_to_complex_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_add_xx_0_1</source_block_id>
+ <sink_block_id>gr_float_to_complex_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_float_to_complex_0</source_block_id>
+ <sink_block_id>gr_throttle_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle_0</source_block_id>
+ <sink_block_id>root_raised_cosine_filter_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_channel_model_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>root_raised_cosine_filter_0</source_block_id>
+ <sink_block_id>gr_channel_model_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_channel_model_0</source_block_id>
+ <sink_block_id>wxgui_fftsink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_channel_model_0</source_block_id>
+ <sink_block_id>gr_fll_band_edge_cc_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_fll_band_edge_cc_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_fll_band_edge_cc_0</source_block_id>
+ <sink_block_id>wxgui_fftsink2_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-digital/examples/demod/dpsk_loopback.grc b/gr-digital/examples/demod/dpsk_loopback.grc
new file mode 100644
index 000000000..aef6a7738
--- /dev/null
+++ b/gr-digital/examples/demod/dpsk_loopback.grc
@@ -0,0 +1,502 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Tue Apr 3 18:03:52 2012</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>dpsk_loopback</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>DPSK Loopback</value>
+ </param>
+ <param>
+ <key>author</key>
+ <value>Example</value>
+ </param>
+ <param>
+ <key>description</key>
+ <value>gnuradio flow graph</value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>1280, 1024</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>wx_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run_options</key>
+ <value>prompt</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(10, 10)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>10000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(10, 170)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Frequency (Hz)</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>500</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>samp_rate/2</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>100</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(12, 257)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_throttle</key>
+ <param>
+ <key>id</key>
+ <value>gr_throttle_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>samples_per_second</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(225, 174)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_sig_source_x</key>
+ <param>
+ <key>id</key>
+ <value>gr_sig_source_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>waveform</key>
+ <value>gr.GR_COS_WAVE</value>
+ </param>
+ <param>
+ <key>freq</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>amp</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(203, 8)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blks2_packet_decoder</key>
+ <param>
+ <key>id</key>
+ <value>blks2_packet_decoder_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>access_code</key>
+ <value></value>
+ </param>
+ <param>
+ <key>threshold</key>
+ <value>-1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(551, 65)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_dxpsk_demod</key>
+ <param>
+ <key>id</key>
+ <value>digital_dxpsk_demod_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>dbpsk</value>
+ </param>
+ <param>
+ <key>samples_per_symbol</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>excess_bw</key>
+ <value>0.35</value>
+ </param>
+ <param>
+ <key>freq_bw</key>
+ <value>6.28/100.0</value>
+ </param>
+ <param>
+ <key>phase_bw</key>
+ <value>6.28/100.0</value>
+ </param>
+ <param>
+ <key>timing_bw</key>
+ <value>6.28/100.0</value>
+ </param>
+ <param>
+ <key>omega_relative_limit</key>
+ <value>0.005</value>
+ </param>
+ <param>
+ <key>gray_coded</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>verbose</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>log</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>sync_out</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(639, 254)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_dxpsk_mod</key>
+ <param>
+ <key>id</key>
+ <value>digital_dxpsk_mod_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>dbpsk</value>
+ </param>
+ <param>
+ <key>samples_per_symbol</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>excess_bw</key>
+ <value>0.35</value>
+ </param>
+ <param>
+ <key>gray_coded</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>verbose</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>log</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(421, 294)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blks2_packet_encoder</key>
+ <param>
+ <key>id</key>
+ <value>blks2_packet_encoder_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>samples_per_symbol</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>bits_per_symbol</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>access_code</key>
+ <value></value>
+ </param>
+ <param>
+ <key>pad_for_usrp</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>payload_length</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(216, 286)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Scope Plot</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>1./freq</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>trig_mode</key>
+ <value>gr.gr_TRIG_MODE_AUTO</value>
+ </param>
+ <param>
+ <key>y_axis_label</key>
+ <value>Counts</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(760, 41)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>gr_sig_source_x_0</source_block_id>
+ <sink_block_id>gr_throttle_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle_0_0</source_block_id>
+ <sink_block_id>blks2_packet_encoder_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blks2_packet_decoder_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_dxpsk_demod_0</source_block_id>
+ <sink_block_id>blks2_packet_decoder_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_dxpsk_mod_0</source_block_id>
+ <sink_block_id>digital_dxpsk_demod_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blks2_packet_encoder_0</source_block_id>
+ <sink_block_id>digital_dxpsk_mod_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-digital/examples/demod/mpsk_demod.grc b/gr-digital/examples/demod/mpsk_demod.grc
new file mode 100644
index 000000000..d7cca9661
--- /dev/null
+++ b/gr-digital/examples/demod/mpsk_demod.grc
@@ -0,0 +1,598 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Tue Apr 3 18:01:57 2012</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>mpsk_demod</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>MPSK Demod Demo</value>
+ </param>
+ <param>
+ <key>author</key>
+ <value></value>
+ </param>
+ <param>
+ <key>description</key>
+ <value></value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>1280, 1024</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>wx_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run_options</key>
+ <value>prompt</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(10, 10)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>32000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(10, 170)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>samps_per_sym</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>4</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(7, 89)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>noise</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Noise</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>.1</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>100</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(259, 353)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>freq_off</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Freq Offset</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>-.5</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>.5</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(126, 345)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>notebook</key>
+ <param>
+ <key>id</key>
+ <value>notebook</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.NB_TOP</value>
+ </param>
+ <param>
+ <key>labels</key>
+ <value>['Constellation', 'Spectrum']</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(520, 407)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_constellationsink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_constellationsink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Constellation Plot</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>frame_rate</key>
+ <value>5</value>
+ </param>
+ <param>
+ <key>const_size</key>
+ <value>2048</value>
+ </param>
+ <param>
+ <key>M</key>
+ <value>4</value>
+ </param>
+ <param>
+ <key>theta</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>loop_bw</key>
+ <value>6.28/100.0</value>
+ </param>
+ <param>
+ <key>fmax</key>
+ <value>0.06</value>
+ </param>
+ <param>
+ <key>mu</key>
+ <value>0.5</value>
+ </param>
+ <param>
+ <key>gain_mu</key>
+ <value>0.005</value>
+ </param>
+ <param>
+ <key>symbol_rate</key>
+ <value>samp_rate/4.</value>
+ </param>
+ <param>
+ <key>omega_limit</key>
+ <value>0.005</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook, 0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(824, 212)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_fftsink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_fftsink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>FFT Plot</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>baseband_freq</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>y_per_div</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>y_divs</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>50</value>
+ </param>
+ <param>
+ <key>ref_scale</key>
+ <value>2.0</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>fft_rate</key>
+ <value>30</value>
+ </param>
+ <param>
+ <key>peak_hold</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>average</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>avg_alpha</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>win</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook, 1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(847, 10)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_channel_model</key>
+ <param>
+ <key>id</key>
+ <value>gr_channel_model_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>noise_voltage</key>
+ <value>noise</value>
+ </param>
+ <param>
+ <key>freq_offset</key>
+ <value>freq_off</value>
+ </param>
+ <param>
+ <key>epsilon</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>seed</key>
+ <value>42</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(487, 282)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_throttle</key>
+ <param>
+ <key>id</key>
+ <value>gr_throttle_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>samples_per_second</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(633, 82)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>random_source_x</key>
+ <param>
+ <key>id</key>
+ <value>random_source_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>2**8</value>
+ </param>
+ <param>
+ <key>num_samps</key>
+ <value>10000</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(161, 119)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_dxpsk_mod</key>
+ <param>
+ <key>id</key>
+ <value>digital_dxpsk_mod_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>dqpsk</value>
+ </param>
+ <param>
+ <key>samples_per_symbol</key>
+ <value>samps_per_sym</value>
+ </param>
+ <param>
+ <key>excess_bw</key>
+ <value>0.35</value>
+ </param>
+ <param>
+ <key>gray_coded</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>verbose</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>log</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(361, 119)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>gr_throttle_0</source_block_id>
+ <sink_block_id>wxgui_constellationsink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle_0</source_block_id>
+ <sink_block_id>wxgui_fftsink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_channel_model_0</source_block_id>
+ <sink_block_id>gr_throttle_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_dxpsk_mod_0</source_block_id>
+ <sink_block_id>gr_channel_model_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>random_source_x_0</source_block_id>
+ <sink_block_id>digital_dxpsk_mod_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-digital/examples/demod/pam_sync.grc b/gr-digital/examples/demod/pam_sync.grc
new file mode 100644
index 000000000..8571995a5
--- /dev/null
+++ b/gr-digital/examples/demod/pam_sync.grc
@@ -0,0 +1,1744 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Sat Mar 6 17:17:22 2010</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>top_block</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value></value>
+ </param>
+ <param>
+ <key>author</key>
+ <value></value>
+ </param>
+ <param>
+ <key>description</key>
+ <value></value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>1280, 1024</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>wx_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run_options</key>
+ <value>prompt</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(10, 10)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_uchar_to_float</key>
+ <param>
+ <key>id</key>
+ <value>gr_uchar_to_float_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(217, 108)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_uchar_to_float</key>
+ <param>
+ <key>id</key>
+ <value>gr_uchar_to_float_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(216, 273)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>32000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(128, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>freq_offset</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Frequency Offset</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>-0.5</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.5</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(293, 684)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>random_source_x</key>
+ <param>
+ <key>id</key>
+ <value>random_source_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>pam_amp</value>
+ </param>
+ <param>
+ <key>num_samps</key>
+ <value>10000</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(13, 80)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>random_source_x</key>
+ <param>
+ <key>id</key>
+ <value>random_source_x_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>pam_amp</value>
+ </param>
+ <param>
+ <key>num_samps</key>
+ <value>10000</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(15, 245)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>const_source_x</key>
+ <param>
+ <key>id</key>
+ <value>const_source_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>const</key>
+ <value>-0.5*(pam_amp-1)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(213, 197)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>const_source_x</key>
+ <param>
+ <key>id</key>
+ <value>const_source_x_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>const</key>
+ <value>-0.5*(pam_amp-1)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(200, 360)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_add_xx</key>
+ <param>
+ <key>id</key>
+ <value>gr_add_xx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(440, 167)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_add_xx</key>
+ <param>
+ <key>id</key>
+ <value>gr_add_xx_0_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(430, 330)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>nfilts</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>32</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(435, 686)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>noise_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Channel Noise</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(168, 684)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>interpratio</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Timing Offset</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>1.00</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0.99</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>1.01</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(40, 684)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>pam_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(223, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>sig_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(315, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>rolloff</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.35</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(397, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_throttle</key>
+ <param>
+ <key>id</key>
+ <value>gr_throttle_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>samples_per_second</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(253, 575)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>time_beta</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Timing Beta</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.1</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(606, 8)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>time_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Timing Alpha</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(490, 8)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>phase_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Phase Alpha</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.1</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(953, 8)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>phase_beta</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Phase Beta</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.01</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1066, 8)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_costas_loop_cc</key>
+ <param>
+ <key>id</key>
+ <value>gr_costas_loop_cc_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>phase_alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>phase_beta</value>
+ </param>
+ <param>
+ <key>max_freq</key>
+ <value>0.2</value>
+ </param>
+ <param>
+ <key>min_freq</key>
+ <value>-0.2</value>
+ </param>
+ <param>
+ <key>order</key>
+ <value>4</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(915, 560)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Input Signal</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1116, 559)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>rrctaps</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>firdes.root_raised_cosine(nfilts,1.0,1.0/(spb*nfilts), rolloff, int(11*spb*nfilts))</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(436, 755)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>notebook</key>
+ <param>
+ <key>id</key>
+ <value>notebook_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.NB_TOP</value>
+ </param>
+ <param>
+ <key>labels</key>
+ <value>['Output Signal', 'Input Signal']</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(203, 823)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0_0_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Input Signal</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>.5</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(975, 312)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_fftsink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_fftsink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Input Frequency</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>baseband_freq</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>y_per_div</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>y_divs</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_scale</key>
+ <value>2.0</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>fft_rate</key>
+ <value>30</value>
+ </param>
+ <param>
+ <key>peak_hold</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>average</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>avg_alpha</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>win</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1116, 355)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_source</key>
+ <param>
+ <key>id</key>
+ <value>virtual_source_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>input_signal_probe</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(801, 453)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_sink</key>
+ <param>
+ <key>id</key>
+ <value>virtual_sink_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>input_signal_probe</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(280, 475)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_fftsink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_fftsink2_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Output Frequency</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>baseband_freq</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>y_per_div</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>y_divs</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_scale</key>
+ <value>2.0</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>fft_rate</key>
+ <value>30</value>
+ </param>
+ <param>
+ <key>peak_hold</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>average</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>avg_alpha</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>win</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(663, 687)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_pfb_clock_sync_xxx</key>
+ <param>
+ <key>id</key>
+ <value>gr_pfb_clock_sync_xxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>ccf</value>
+ </param>
+ <param>
+ <key>sps</key>
+ <value>spb</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>time_alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>time_beta</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>rrctaps</value>
+ </param>
+ <param>
+ <key>filter_size</key>
+ <value>nfilts</value>
+ </param>
+ <param>
+ <key>init_phase</key>
+ <value>16</value>
+ </param>
+ <param>
+ <key>max_dev</key>
+ <value>1.5</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(662, 527)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_float_to_complex</key>
+ <param>
+ <key>id</key>
+ <value>gr_float_to_complex_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(592, 184)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_channel_model</key>
+ <param>
+ <key>id</key>
+ <value>gr_channel_model_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>noise_voltage</key>
+ <value>noise_amp</value>
+ </param>
+ <param>
+ <key>freq_offset</key>
+ <value>freq_offset</value>
+ </param>
+ <param>
+ <key>epsilon</key>
+ <value>interpratio</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>seed</key>
+ <value>42</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(60, 443)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_multiply_const_vxx</key>
+ <param>
+ <key>id</key>
+ <value>gr_multiply_const_vxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>const</key>
+ <value>sig_amp</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(670, 322)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blks2_pfb_arb_resampler_ccf</key>
+ <param>
+ <key>id</key>
+ <value>blks2_pfb_arb_resampler_ccf_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>rate</key>
+ <value>spb</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>firdes.root_raised_cosine(32, 32, 1.0, 0.35, 44*32)</value>
+ </param>
+ <param>
+ <key>size</key>
+ <value>32</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(778, 180)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_fll_band_edge_cc</key>
+ <param>
+ <key>id</key>
+ <value>gr_fll_band_edge_cc_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>cc</value>
+ </param>
+ <param>
+ <key>samps_per_sym</key>
+ <value>spb</value>
+ </param>
+ <param>
+ <key>rolloff</key>
+ <value>rolloff</value>
+ </param>
+ <param>
+ <key>filter_size</key>
+ <value>44</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>freq_alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>freq_beta</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(429, 528)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>spb</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>4.0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(40, 829)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>freq_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Freq Alpha</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.1</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(734, 10)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>freq_beta</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Freq Beta</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.01</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(836, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>random_source_x_0</source_block_id>
+ <sink_block_id>gr_uchar_to_float_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_uchar_to_float_0_0</source_block_id>
+ <sink_block_id>gr_add_xx_0_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>const_source_x_0_0</source_block_id>
+ <sink_block_id>gr_add_xx_0_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>random_source_x_0_0</source_block_id>
+ <sink_block_id>gr_uchar_to_float_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_channel_model_0</source_block_id>
+ <sink_block_id>gr_throttle_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_add_xx_0</source_block_id>
+ <sink_block_id>gr_float_to_complex_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_add_xx_0_1</source_block_id>
+ <sink_block_id>gr_float_to_complex_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_uchar_to_float_0</source_block_id>
+ <sink_block_id>gr_add_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>const_source_x_0</source_block_id>
+ <sink_block_id>gr_add_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle_0</source_block_id>
+ <sink_block_id>gr_fll_band_edge_cc_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_fll_band_edge_cc_0</source_block_id>
+ <sink_block_id>gr_pfb_clock_sync_xxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_pfb_clock_sync_xxx_0</source_block_id>
+ <sink_block_id>gr_costas_loop_cc_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_costas_loop_cc_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_fll_band_edge_cc_0</source_block_id>
+ <sink_block_id>wxgui_fftsink2_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>virtual_source_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0_0_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>virtual_source_0</source_block_id>
+ <sink_block_id>wxgui_fftsink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_channel_model_0</source_block_id>
+ <sink_block_id>virtual_sink_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_float_to_complex_0</source_block_id>
+ <sink_block_id>blks2_pfb_arb_resampler_ccf_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blks2_pfb_arb_resampler_ccf_0</source_block_id>
+ <sink_block_id>gr_multiply_const_vxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_multiply_const_vxx_0</source_block_id>
+ <sink_block_id>gr_channel_model_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-digital/examples/demod/pam_timing.grc b/gr-digital/examples/demod/pam_timing.grc
new file mode 100644
index 000000000..02130f481
--- /dev/null
+++ b/gr-digital/examples/demod/pam_timing.grc
@@ -0,0 +1,1388 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Mon Feb 1 18:54:46 2010</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>top_block</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value></value>
+ </param>
+ <param>
+ <key>author</key>
+ <value></value>
+ </param>
+ <param>
+ <key>description</key>
+ <value></value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>1280, 1024</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>wx_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run_options</key>
+ <value>prompt</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(10, 10)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_uchar_to_float</key>
+ <param>
+ <key>id</key>
+ <value>gr_uchar_to_float_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(217, 108)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_uchar_to_float</key>
+ <param>
+ <key>id</key>
+ <value>gr_uchar_to_float_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(216, 273)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>32000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(128, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>freq_offset</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Frequency Offset</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>-0.5</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.5</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(293, 684)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>random_source_x</key>
+ <param>
+ <key>id</key>
+ <value>random_source_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>pam_amp</value>
+ </param>
+ <param>
+ <key>num_samps</key>
+ <value>10000</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(13, 80)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>random_source_x</key>
+ <param>
+ <key>id</key>
+ <value>random_source_x_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>pam_amp</value>
+ </param>
+ <param>
+ <key>num_samps</key>
+ <value>10000</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(15, 245)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>const_source_x</key>
+ <param>
+ <key>id</key>
+ <value>const_source_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>const</key>
+ <value>-0.5*(pam_amp-1)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(213, 197)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>const_source_x</key>
+ <param>
+ <key>id</key>
+ <value>const_source_x_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>const</key>
+ <value>-0.5*(pam_amp-1)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(200, 360)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>notebook</key>
+ <param>
+ <key>id</key>
+ <value>notebook_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.NB_TOP</value>
+ </param>
+ <param>
+ <key>labels</key>
+ <value>['error', 'phase', 'freq', 'Resampled Signal']</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(729, 769)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_add_xx</key>
+ <param>
+ <key>id</key>
+ <value>gr_add_xx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(440, 167)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_add_xx</key>
+ <param>
+ <key>id</key>
+ <value>gr_add_xx_0_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(430, 330)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>nfilts</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>32</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(435, 686)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>noise_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Channel Noise</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(168, 684)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>interpratio</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Timing Offset</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>1.00</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0.99</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>1.01</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(40, 684)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>beta</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Timing Beta</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.1</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(668, 5)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Timing Alpha</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>1000</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(552, 4)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>pam_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(223, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>sig_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(315, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Scope Plot</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1116, 500)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_throttle</key>
+ <param>
+ <key>id</key>
+ <value>gr_throttle_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>samples_per_second</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(290, 575)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Error</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>3</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1110, 651)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Scope Plot</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>9</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1112, 881)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>rrctaps</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>firdes.root_raised_cosine(nfilts,1.0,1.0/(spb*nfilts), .35, int(11*spb*nfilts))</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(513, 679)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_pfb_clock_sync_xxx</key>
+ <param>
+ <key>id</key>
+ <value>gr_pfb_clock_sync_xxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>ccf</value>
+ </param>
+ <param>
+ <key>sps</key>
+ <value>spb</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>beta</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>rrctaps</value>
+ </param>
+ <param>
+ <key>filter_size</key>
+ <value>nfilts</value>
+ </param>
+ <param>
+ <key>init_phase</key>
+ <value>16</value>
+ </param>
+ <param>
+ <key>max_dev</key>
+ <value>1.5</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(512, 527)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0_0_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Scope Plot</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>1.25</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,2</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1111, 767)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0_0_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Error</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>.5</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,3</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1115, 358)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_float_to_complex</key>
+ <param>
+ <key>id</key>
+ <value>gr_float_to_complex_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(590, 184)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blks2_pfb_arb_resampler_ccf</key>
+ <param>
+ <key>id</key>
+ <value>blks2_pfb_arb_resampler_ccf_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>rate</key>
+ <value>spb</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>firdes.root_raised_cosine(32, 32, 1.0, 0.35, 44*32)</value>
+ </param>
+ <param>
+ <key>size</key>
+ <value>32</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(816, 181)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_channel_model</key>
+ <param>
+ <key>id</key>
+ <value>gr_channel_model_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>noise_voltage</key>
+ <value>noise_amp</value>
+ </param>
+ <param>
+ <key>freq_offset</key>
+ <value>freq_offset</value>
+ </param>
+ <param>
+ <key>epsilon</key>
+ <value>interpratio</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>seed</key>
+ <value>42</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(59, 543)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_multiply_const_vxx</key>
+ <param>
+ <key>id</key>
+ <value>gr_multiply_const_vxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>const</key>
+ <value>sig_amp</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(714, 382)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>spb</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>4.2563</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(42, 840)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>random_source_x_0</source_block_id>
+ <sink_block_id>gr_uchar_to_float_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_uchar_to_float_0</source_block_id>
+ <sink_block_id>gr_add_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>const_source_x_0</source_block_id>
+ <sink_block_id>gr_add_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_uchar_to_float_0_0</source_block_id>
+ <sink_block_id>gr_add_xx_0_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>const_source_x_0_0</source_block_id>
+ <sink_block_id>gr_add_xx_0_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>random_source_x_0_0</source_block_id>
+ <sink_block_id>gr_uchar_to_float_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_channel_model_0</source_block_id>
+ <sink_block_id>gr_throttle_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_add_xx_0</source_block_id>
+ <sink_block_id>gr_float_to_complex_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_add_xx_0_1</source_block_id>
+ <sink_block_id>gr_float_to_complex_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_pfb_clock_sync_xxx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle_0</source_block_id>
+ <sink_block_id>gr_pfb_clock_sync_xxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_pfb_clock_sync_xxx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0_0</sink_block_id>
+ <source_key>1</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_pfb_clock_sync_xxx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0_0_0</sink_block_id>
+ <source_key>3</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_pfb_clock_sync_xxx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0_0_0_0</sink_block_id>
+ <source_key>2</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_multiply_const_vxx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0_0_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_float_to_complex_0</source_block_id>
+ <sink_block_id>blks2_pfb_arb_resampler_ccf_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blks2_pfb_arb_resampler_ccf_0</source_block_id>
+ <sink_block_id>gr_multiply_const_vxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_multiply_const_vxx_0</source_block_id>
+ <sink_block_id>gr_channel_model_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-digital/examples/narrowband/digital_bert_rx.py b/gr-digital/examples/narrowband/digital_bert_rx.py
index ccae8b052..ab7e988eb 100755
--- a/gr-digital/examples/narrowband/digital_bert_rx.py
+++ b/gr-digital/examples/narrowband/digital_bert_rx.py
@@ -74,7 +74,7 @@ class bert_receiver(gr.hier_block2):
self._sample_rate = self._symbol_rate * samples_per_symbol
# Add an SNR probe on the demodulated constellation
- self._snr_probe = gr.probe_mpsk_snr_c(10.0/self._symbol_rate)
+ self._snr_probe = digital.probe_mpsk_snr_est_c(digital.SNR_EST_M2M4, alpha=10.0/self._symbol_rate)
self.connect(self._demod.time_recov, self._snr_probe)
# Descramble BERT sequence. A channel error will create 3 incorrect bits
diff --git a/gr-digital/grc/.gitignore b/gr-digital/grc/.gitignore
deleted file mode 100644
index 3dda72986..000000000
--- a/gr-digital/grc/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-Makefile.in
-Makefile
diff --git a/gr-digital/grc/Makefile.am b/gr-digital/grc/Makefile.am
deleted file mode 100644
index 029eeece2..000000000
--- a/gr-digital/grc/Makefile.am
+++ /dev/null
@@ -1,57 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-
-grcblocksdir = $(grc_blocksdir)
-
-dist_grcblocks_DATA = \
- digital_block_tree.xml \
- digital_binary_slicer_fb.xml \
- digital_clock_recovery_mm_xx.xml \
- digital_constellation_decoder_cb.xml \
- digital_constellation_receiver_cb.xml \
- digital_correlate_access_code_bb.xml \
- digital_costas_loop_cc.xml \
- digital_cma_equalizer_cc.xml \
- digital_cpmmod_bc.xml \
- digital_fll_band_edge_cc.xml \
- digital_gmsk_demod.xml \
- digital_gmsk_mod.xml \
- digital_gmskmod_bc.xml \
- digital_kurtotic_equalizer_cc.xml \
- digital_lms_dd_equalizer_cc.xml \
- digital_mpsk_receiver_cc.xml \
- digital_mpsk_snr_est_cc.xml \
- digital_probe_mpsk_snr_est_c.xml \
- digital_dxpsk_mod.xml \
- digital_dxpsk_demod.xml \
- digital_psk_mod.xml \
- digital_psk_demod.xml \
- digital_qam_mod.xml \
- digital_qam_demod.xml \
- digital_ofdm_mod.xml \
- digital_ofdm_demod.xml \
- digital_ofdm_cyclic_prefixer.xml \
- digital_ofdm_frame_acquisition.xml \
- digital_ofdm_insert_preamble.xml \
- digital_ofdm_sampler.xml \
- digital_ofdm_sync_pn.xml
diff --git a/gr-digital/include/.gitignore b/gr-digital/include/.gitignore
deleted file mode 100644
index b336cc7ce..000000000
--- a/gr-digital/include/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-/Makefile
-/Makefile.in
diff --git a/gr-digital/include/Makefile.am b/gr-digital/include/Makefile.am
deleted file mode 100644
index 3cf186d3d..000000000
--- a/gr-digital/include/Makefile.am
+++ /dev/null
@@ -1,54 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-
-# These headers get installed in ${prefix}/include/gnuradio
-grinclude_HEADERS = \
- digital_api.h \
- digital_impl_mpsk_snr_est.h \
- digital_binary_slicer_fb.h \
- digital_clock_recovery_mm_cc.h \
- digital_clock_recovery_mm_ff.h \
- digital_constellation.h \
- digital_constellation_receiver_cb.h \
- digital_constellation_decoder_cb.h \
- digital_correlate_access_code_bb.h \
- digital_costas_loop_cc.h \
- digital_cma_equalizer_cc.h \
- digital_crc32.h \
- digital_fll_band_edge_cc.h \
- digital_lms_dd_equalizer_cc.h \
- digital_kurtotic_equalizer_cc.h \
- digital_metric_type.h \
- digital_mpsk_receiver_cc.h \
- digital_mpsk_snr_est_cc.h \
- digital_ofdm_cyclic_prefixer.h \
- digital_ofdm_frame_acquisition.h \
- digital_ofdm_frame_sink.h \
- digital_ofdm_insert_preamble.h \
- digital_ofdm_mapper_bcv.h \
- digital_ofdm_sampler.h \
- digital_probe_mpsk_snr_est_c.h \
- digital_gmskmod_bc.h \
- digital_cpmmod_bc.h
-
-libgnuradio_digital_la_LDFLAGS = $(NO_UNDEFINED) $(LTVERSIONFLAGS)
diff --git a/gr-digital/lib/.gitignore b/gr-digital/lib/.gitignore
deleted file mode 100644
index 1b6114c39..000000000
--- a/gr-digital/lib/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-/.libs
-/.deps
-/Makefile
-/Makefile.in
diff --git a/gr-digital/lib/Makefile.am b/gr-digital/lib/Makefile.am
deleted file mode 100644
index d5ad199e3..000000000
--- a/gr-digital/lib/Makefile.am
+++ /dev/null
@@ -1,59 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-
-AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES) $(PYTHON_CPPFLAGS) \
- $(GR_DIGITAL_INCLUDES) $(WITH_INCLUDES)
-
-lib_LTLIBRARIES = libgnuradio-digital.la
-
-libgnuradio_digital_la_SOURCES = \
- digital_impl_mpsk_snr_est.cc \
- digital_binary_slicer_fb.cc \
- digital_clock_recovery_mm_cc.cc \
- digital_clock_recovery_mm_ff.cc \
- digital_constellation.cc \
- digital_constellation_receiver_cb.cc \
- digital_constellation_decoder_cb.cc \
- digital_correlate_access_code_bb.cc \
- digital_costas_loop_cc.cc \
- digital_cma_equalizer_cc.cc \
- digital_crc32.cc \
- digital_fll_band_edge_cc.cc \
- digital_lms_dd_equalizer_cc.cc \
- digital_kurtotic_equalizer_cc.cc \
- digital_mpsk_receiver_cc.cc \
- digital_mpsk_snr_est_cc.cc \
- digital_ofdm_cyclic_prefixer.cc \
- digital_ofdm_frame_acquisition.cc \
- digital_ofdm_frame_sink.cc \
- digital_ofdm_insert_preamble.cc \
- digital_ofdm_mapper_bcv.cc \
- digital_ofdm_sampler.cc \
- digital_probe_mpsk_snr_est_c.cc \
- digital_gmskmod_bc.cc \
- digital_cpmmod_bc.cc
-
-libgnuradio_digital_la_LIBADD = \
- $(GNURADIO_CORE_LA)
-
-libgnuradio_digital_la_LDFLAGS = $(NO_UNDEFINED) $(LTVERSIONFLAGS)
diff --git a/gr-digital/python/.gitignore b/gr-digital/python/.gitignore
deleted file mode 100644
index 604b402c5..000000000
--- a/gr-digital/python/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-/Makefile
-/Makefile.in
-/run_tests
diff --git a/gr-digital/python/Makefile.am b/gr-digital/python/Makefile.am
deleted file mode 100644
index 42bcc4dd2..000000000
--- a/gr-digital/python/Makefile.am
+++ /dev/null
@@ -1,71 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-
-TESTS =
-EXTRA_DIST += run_tests.in
-
-if PYTHON
-SUBDIRS = utils
-TESTS += run_tests
-
-digitaldir = $(grpythondir)/digital
-
-noinst_PYTHON = \
- qa_digital.py \
- qa_binary_slicer_fb.py \
- qa_clock_recovery_mm.py \
- qa_cma_equalizer.py \
- qa_cpm.py \
- qa_constellation.py \
- qa_constellation_receiver.py \
- qa_constellation_decoder_cb.py \
- qa_correlate_access_code.py \
- qa_costas_loop_cc.py \
- qa_crc32.py \
- qa_fll_band_edge.py \
- qa_lms_equalizer.py \
- qa_mpsk_receiver.py \
- qa_mpsk_snr_est.py \
- qa_ofdm_insert_preamble.py
-
-digital_PYTHON = \
- __init__.py \
- bpsk.py \
- cpm.py \
- crc.py \
- generic_mod_demod.py \
- gmsk.py \
- modulation_utils.py \
- ofdm.py \
- ofdm_packet_utils.py \
- ofdm_receiver.py \
- ofdm_sync_fixed.py \
- ofdm_sync_ml.py \
- ofdm_sync_pnac.py \
- ofdm_sync_pn.py \
- packet_utils.py \
- pkt.py \
- psk.py \
- qam.py \
- qpsk.py
-endif
diff --git a/gr-digital/python/run_tests.in b/gr-digital/python/run_tests.in
deleted file mode 100644
index b39e7e847..000000000
--- a/gr-digital/python/run_tests.in
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/sh
-
-# 1st parameter is absolute path to component source directory
-# 2nd parameter is absolute path to component build directory
-# 3rd parameter is path to Python QA directory
-
-@top_builddir@/run_tests.sh \
- @abs_top_srcdir@/gr-digital \
- @abs_top_builddir@/gr-digital \
- @srcdir@
diff --git a/gr-digital/python/utils/.gitignore b/gr-digital/python/utils/.gitignore
deleted file mode 100644
index 60c81fdce..000000000
--- a/gr-digital/python/utils/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-run_tests
-Makefile
-Makefile.in
diff --git a/gr-digital/python/utils/Makefile.am b/gr-digital/python/utils/Makefile.am
deleted file mode 100644
index 6da4d61dd..000000000
--- a/gr-digital/python/utils/Makefile.am
+++ /dev/null
@@ -1,34 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-
-if PYTHON
-utilspythondir = $(grpythondir)/digital/utils
-
-TESTS =
-
-utilspython_PYTHON = \
- __init__.py \
- gray_code.py \
- mod_codes.py \
- alignment.py
-endif \ No newline at end of file
diff --git a/gr-digital/swig/.gitignore b/gr-digital/swig/.gitignore
deleted file mode 100644
index 7e864f43f..000000000
--- a/gr-digital/swig/.gitignore
+++ /dev/null
@@ -1,9 +0,0 @@
-/Makefile
-/Makefile.in
-/pager_swig.py
-/pager_swig.cc
-/*.pyc
-/run_tests
-/run_guile_tests
-/guile
-/python
diff --git a/gr-digital/swig/Makefile.am b/gr-digital/swig/Makefile.am
deleted file mode 100644
index 97b47fafa..000000000
--- a/gr-digital/swig/Makefile.am
+++ /dev/null
@@ -1,104 +0,0 @@
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-include $(top_srcdir)/Makefile.common
-include $(top_srcdir)/Makefile.swig
-
-TESTS =
-EXTRA_DIST += $(nobase_guile_DATA)
-
-AM_CPPFLAGS = \
- $(GR_DIGITAL_INCLUDES) \
- $(STD_DEFINES_AND_INCLUDES) \
- $(PYTHON_CPPFLAGS) \
- $(WITH_INCLUDES)
-
-TOP_SWIG_DOC_IFILES = \
- digital_swig_doc.i
-
-BUILT_SOURCES += \
- $(TOP_SWIG_DOC_IFILES)
-
-EXTRA_DIST += \
- $(TOP_SWIG_DOC_IFILES)
-
-$(TOP_SWIG_DOC_IFILES):
- `echo "" > $@`
-
-if GUILE
-nobase_guile_DATA = \
- gnuradio/digital.scm
-endif
-
-noinst_GUILE = digital.test
-
-
-##############################
-# SWIG interface and library
-TOP_SWIG_IFILES = \
- $(TOP_SWIG_DOC_IFILES) \
- digital_swig.i
-
-# Install so that they end up available as:
-# import gnuradio.digital
-# This ends up at:
-# ${prefix}/lib/python${python_version}/site-packages/gnuradio/digital
-digital_swig_pythondir_category = \
- gnuradio/digital
-
-# additional libraries for linking with the SWIG-generated library
-digital_swig_la_swig_libadd = \
- $(abs_top_builddir)/gr-digital/lib/libgnuradio-digital.la
-
-# additional SWIG files to be installed
-digital_swig_swiginclude_headers = \
- digital_binary_slicer_fb.i \
- digital_clock_recovery_mm_cc.i \
- digital_clock_recovery_mm_ff.i \
- digital_constellation.i \
- digital_constellation_receiver_cb.i \
- digital_constellation_decoder_cb.i \
- digital_correlate_access_code_bb.i \
- digital_costas_loop_cc.i \
- digital_cma_equalizer_cc.i \
- digital_crc32.i \
- digital_fll_band_edge_cc.i \
- digital_lms_dd_equalizer_cc.i \
- digital_kurtotic_equalizer_cc.i \
- digital_mpsk_receiver_cc.i \
- digital_mpsk_snr_est_cc.i \
- digital_ofdm_cyclic_prefixer.i \
- digital_ofdm_frame_acquisition.i \
- digital_ofdm_frame_sink.i \
- digital_ofdm_insert_preamble.i \
- digital_ofdm_mapper_bcv.i \
- digital_ofdm_sampler.i \
- digital_probe_mpsk_snr_est_c.i \
- digital_gmskmod_bc.i \
- digital_cpmmod_bc.i \
- $(TOP_SWIG_DOC_IFILES)
-
-digital_swig_swig_args = \
- $(GR_DIGITAL_INCLUDES)
-
-if GUILE
-TESTS += run_guile_tests
-endif \ No newline at end of file
diff --git a/gr-digital/swig/Makefile.swig.gen b/gr-digital/swig/Makefile.swig.gen
deleted file mode 100644
index ff3eff4e9..000000000
--- a/gr-digital/swig/Makefile.swig.gen
+++ /dev/null
@@ -1,142 +0,0 @@
-# -*- Makefile -*-
-#
-# Copyright 2009 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-# Makefile.swig.gen for digital_swig.i
-
-## Default install locations for these files:
-##
-## Default location for the Python directory is:
-## ${prefix}/lib/python${python_version}/site-packages/[category]/digital_swig
-## Default location for the Python exec directory is:
-## ${exec_prefix}/lib/python${python_version}/site-packages/[category]/digital_swig
-##
-## The following can be overloaded to change the install location, but
-## this has to be done in the including Makefile.am -before-
-## Makefile.swig is included.
-
-digital_swig_pythondir_category ?= gnuradio/digital_swig
-digital_swig_pylibdir_category ?= $(digital_swig_pythondir_category)
-digital_swig_pythondir = $(pythondir)/$(digital_swig_pythondir_category)
-digital_swig_pylibdir = $(pyexecdir)/$(digital_swig_pylibdir_category)
-
-# The .so libraries for the guile modules get installed whereever guile
-# is installed, usually /usr/lib/guile/gnuradio/
-# FIXME: determince whether these should be installed with gnuradio.
-digital_swig_scmlibdir = $(libdir)
-
-# The scm files for the guile modules get installed where ever guile
-# is installed, usually /usr/share/guile/site/digital_swig
-# FIXME: determince whether these should be installed with gnuradio.
-digital_swig_scmdir = $(guiledir)
-
-## SWIG headers are always installed into the same directory.
-
-digital_swig_swigincludedir = $(swigincludedir)
-
-## This is a template file for a "generated" Makefile addition (in
-## this case, "Makefile.swig.gen"). By including the top-level
-## Makefile.swig, this file will be used to generate the SWIG
-## dependencies. Assign the variable TOP_SWIG_FILES to be the list of
-## SWIG .i files to generated wrappings for; there can be more than 1
-## so long as the names are unique (no sorting is done on the
-## TOP_SWIG_FILES list). This file explicitly assumes that a SWIG .i
-## file will generate .cc, .py, and possibly .h files -- meaning that
-## all of these files will have the same base name (that provided for
-## the SWIG .i file).
-##
-## This code is setup to ensure parallel MAKE ("-j" or "-jN") does the
-## right thing. For more info, see <
-## http://sources.redhat.com/automake/automake.html#Multiple-Outputs >
-
-## Other cleaned files: dependency files generated by SWIG or this Makefile
-
-MOSTLYCLEANFILES += $(DEPDIR)/*.S*
-
-## Various SWIG variables. These can be overloaded in the including
-## Makefile.am by setting the variable value there, then including
-## Makefile.swig .
-
-digital_swig_swiginclude_HEADERS = \
- digital_swig.i \
- $(digital_swig_swiginclude_headers)
-
-if PYTHON
-digital_swig_pylib_LTLIBRARIES = \
- _digital_swig.la
-
-_digital_swig_la_SOURCES = \
- python/digital_swig.cc \
- $(digital_swig_la_swig_sources)
-
-digital_swig_python_PYTHON = \
- digital_swig.py \
- $(digital_swig_python)
-
-_digital_swig_la_LIBADD = \
- $(STD_SWIG_LA_LIB_ADD) \
- $(digital_swig_la_swig_libadd)
-
-_digital_swig_la_LDFLAGS = \
- $(STD_SWIG_LA_LD_FLAGS) \
- $(digital_swig_la_swig_ldflags)
-
-_digital_swig_la_CXXFLAGS = \
- $(STD_SWIG_CXX_FLAGS) \
- -I$(top_builddir)
-
-python/digital_swig.cc: digital_swig.py
-digital_swig.py: digital_swig.i
-
-# Include the python dependencies for this file
--include python/digital_swig.d
-
-endif # end of if python
-
-if GUILE
-
-digital_swig_scmlib_LTLIBRARIES = \
- libguile-gnuradio-digital_swig.la
-libguile_gnuradio_digital_swig_la_SOURCES = \
- guile/digital_swig.cc \
- $(digital_swig_la_swig_sources)
-nobase_digital_swig_scm_DATA = \
- gnuradio/digital_swig.scm \
- gnuradio/digital_swig-primitive.scm
-libguile_gnuradio_digital_swig_la_LIBADD = \
- $(STD_SWIG_LA_LIB_ADD) \
- $(digital_swig_la_swig_libadd)
-libguile_gnuradio_digital_swig_la_LDFLAGS = \
- $(STD_SWIG_LA_LD_FLAGS) \
- $(digital_swig_la_swig_ldflags)
-libguile_gnuradio_digital_swig_la_CXXFLAGS = \
- $(STD_SWIG_CXX_FLAGS) \
- -I$(top_builddir) \
- $(digital_swig_la_swig_cxxflags)
-
-guile/digital_swig.cc: gnuradio/digital_swig.scm
-gnuradio/digital_swig.scm: digital_swig.i
-gnuradio/digital_swig-primitive.scm: gnuradio/digital_swig.scm
-
-# Include the guile dependencies for this file
--include guile/digital_swig.d
-
-endif # end of GUILE
diff --git a/gr-digital/swig/digital_swig.i b/gr-digital/swig/digital_swig.i
index a39ef9ab7..4e9c660bc 100644
--- a/gr-digital/swig/digital_swig.i
+++ b/gr-digital/swig/digital_swig.i
@@ -86,21 +86,3 @@ enum snr_est_type_t {
%include "digital_probe_mpsk_snr_est_c.i"
%include "digital_cpmmod_bc.i"
%include "digital_gmskmod_bc.i"
-
-#if SWIGGUILE
-
-enum snr_est_type_t {
- SNR_EST_SIMPLE = 0, // Simple estimator (>= 7 dB)
- SNR_EST_SKEW, // Skewness-base est (>= 5 dB)
- SNR_EST_M2M4, // 2nd & 4th moment est (>= 1 dB)
- SNR_EST_SVR // SVR-based est (>= 0dB)
-};
-
-%scheme %{
-(load-extension-global "libguile-gnuradio-digital_swig" "scm_init_gnuradio_digital_swig_module")
-%}
-
-%goops %{
-(use-modules (gnuradio gnuradio_core_runtime))
-%}
-#endif
diff --git a/gr-digital/swig/gnuradio/.gitignore b/gr-digital/swig/gnuradio/.gitignore
deleted file mode 100644
index c264c571a..000000000
--- a/gr-digital/swig/gnuradio/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-digital_swig-primitive.scm
-digital_swig.scm
diff --git a/gr-digital/swig/run_guile_tests.in b/gr-digital/swig/run_guile_tests.in
deleted file mode 100644
index 5d08b0dd5..000000000
--- a/gr-digital/swig/run_guile_tests.in
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/sh
-
-. @top_builddir@/setup_guile_test_env
-
-# 1st argument is absolute path to hand coded guile source directory
-# 2nd argument is absolute path to component C++ shared library build directory
-# 3nd argument is absolute path to component SWIG build directory
-
-add_local_paths \
- @srcdir@ \
- @abs_builddir@ \
- @abs_builddir@
-
-@GUILE@ -e main -c '(use-modules (gnuradio test-suite guile-test))' -t @srcdir@