From 1a9a1e15cfe63e0fb231d7be27487c0aab078fb3 Mon Sep 17 00:00:00 2001
From: Josh Blum
Date: Wed, 25 Nov 2009 16:51:24 -0800
Subject: added wrappers for the dxpsk2 blocks mod and demod
---
grc/blocks/Makefile.am | 2 ++
grc/blocks/blks2_dxpsk_demod.xml | 2 +-
grc/blocks/blks2_dxpsk_mod.xml | 2 +-
grc/blocks/block_tree.xml | 3 +++
4 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/grc/blocks/Makefile.am b/grc/blocks/Makefile.am
index e436cc764..9c91af543 100644
--- a/grc/blocks/Makefile.am
+++ b/grc/blocks/Makefile.am
@@ -34,6 +34,8 @@ dist_ourdata_DATA = \
blks2_cvsd_decode.xml \
blks2_dxpsk_demod.xml \
blks2_dxpsk_mod.xml \
+ blks2_dxpsk2_demod.xml \
+ blks2_dxpsk2_mod.xml \
blks2_error_rate.xml \
blks2_fm_deemph.xml \
blks2_fm_demod_cf.xml \
diff --git a/grc/blocks/blks2_dxpsk_demod.xml b/grc/blocks/blks2_dxpsk_demod.xml
index 4c13b3415..1c96b6cec 100644
--- a/grc/blocks/blks2_dxpsk_demod.xml
+++ b/grc/blocks/blks2_dxpsk_demod.xml
@@ -76,7 +76,7 @@
Gray Code
gray_code
True
- enum
+ bool
+
+ Sync Out
+ sync_out
+ False
+ bool
+
+
+
in
complex
@@ -119,4 +134,9 @@
out
byte
+
+ sync
+ complex
+ 1
+
--
cgit
From 2ff1da1f41d9604155cdec90a7b4aa992330e3bf Mon Sep 17 00:00:00 2001
From: Josh Blum
Date: Wed, 25 Nov 2009 20:09:07 -0800
Subject: added callbacks for setting alphas
---
grc/blocks/blks2_dxpsk2_demod.xml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/grc/blocks/blks2_dxpsk2_demod.xml b/grc/blocks/blks2_dxpsk2_demod.xml
index c1af5368e..ce8305c50 100644
--- a/grc/blocks/blks2_dxpsk2_demod.xml
+++ b/grc/blocks/blks2_dxpsk2_demod.xml
@@ -19,6 +19,9 @@
log=$log,
sync_out=$sync_out,
)
+ clock_recov.set_alpha($costas_alpha)
+ clock_recov.set_beta(0.25*$costas_alpha**2)
+ time_recov.set_alpha($timing_alpha)
Type
type
--
cgit
From 6af2c9c58cc6afcab371b769da5738c1f52fc969 Mon Sep 17 00:00:00 2001
From: Josh Blum
Date: Wed, 25 Nov 2009 20:49:27 -0800
Subject: created dpsk demo with usrps
---
gnuradio-examples/grc/Makefile.am | 2 +
gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc | 635 ++++++++++++++++++++++++++++
gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc | 583 +++++++++++++++++++++++++
3 files changed, 1220 insertions(+)
create mode 100644 gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc
create mode 100644 gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc
diff --git a/gnuradio-examples/grc/Makefile.am b/gnuradio-examples/grc/Makefile.am
index 97417c5a2..f8a26bace 100644
--- a/gnuradio-examples/grc/Makefile.am
+++ b/gnuradio-examples/grc/Makefile.am
@@ -49,6 +49,8 @@ usrpdatadir = $(grc_examples_prefix)/usrp
dist_usrpdata_DATA = \
usrp/usrp2_const_wave.grc \
usrp/usrp2_dpsk_mod.grc \
+ usrp/usrp_rx_dpsk.grc \
+ usrp/usrp_tx_dpsk.grc \
usrp/usrp2_fft.grc \
usrp/usrp_two_tone_loopback.grc \
usrp/usrp_wbfm_receive.grc
diff --git a/gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc b/gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc
new file mode 100644
index 000000000..9b869687a
--- /dev/null
+++ b/gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc
@@ -0,0 +1,635 @@
+
+
+ Wed Nov 25 20:45:31 2009
+
+ options
+
+ id
+ usrp_rx_dpsk
+
+
+ _enabled
+ True
+
+
+ title
+ USRP RX DPSK
+
+
+ author
+
+
+
+ description
+
+
+
+ window_size
+ 1280, 1024
+
+
+ generate_options
+ wx_gui
+
+
+ category
+ Custom
+
+
+ run_options
+ prompt
+
+
+ run
+ True
+
+
+ realtime_scheduling
+
+
+
+ _coordinate
+ (12, 9)
+
+
+ _rotation
+ 0
+
+
+
+ variable
+
+ id
+ samps_per_sym
+
+
+ _enabled
+ True
+
+
+ value
+ 4
+
+
+ _coordinate
+ (14, 79)
+
+
+ _rotation
+ 0
+
+
+
+ variable
+
+ id
+ bb_freq
+
+
+ _enabled
+ True
+
+
+ value
+ 2.45e9
+
+
+ _coordinate
+ (18, 151)
+
+
+ _rotation
+ 0
+
+
+
+ variable
+
+ id
+ samp_rate
+
+
+ _enabled
+ True
+
+
+ value
+ 1e6
+
+
+ _coordinate
+ (20, 234)
+
+
+ _rotation
+ 0
+
+
+
+ usrp2_source_xxxx
+
+ id
+ usrp2_source_xxxx_0
+
+
+ _enabled
+ True
+
+
+ type
+ complex
+
+
+ interface
+
+
+
+ mac_addr
+
+
+
+ decimation
+ int(100e6/samp_rate)
+
+
+ frequency
+ bb_freq
+
+
+ lo_offset
+ float('inf')
+
+
+ gain
+ 0
+
+
+ _coordinate
+ (158, 51)
+
+
+ _rotation
+ 0
+
+
+
+ blks2_dxpsk2_demod
+
+ id
+ blks2_dxpsk2_demod_0
+
+
+ _enabled
+ True
+
+
+ type
+ dqpsk
+
+
+ samples_per_symbol
+ samps_per_sym
+
+
+ excess_bw
+ 0.35
+
+
+ costas_alpha
+ costas_alpha
+
+
+ timing_alpha
+ timing_alpha
+
+
+ timing_max_dev
+ 1.5
+
+
+ omega_relative_limit
+ 0.005
+
+
+ gray_code
+ True
+
+
+ verbose
+ False
+
+
+ log
+ False
+
+
+ sync_out
+ True
+
+
+ _coordinate
+ (488, 65)
+
+
+ _rotation
+ 0
+
+
+
+ variable
+
+ id
+ p2p
+
+
+ _enabled
+ True
+
+
+ value
+ 2.0
+
+
+ _coordinate
+ (13, 314)
+
+
+ _rotation
+ 0
+
+
+
+ wxgui_scopesink2
+
+ id
+ wxgui_scopesink2_0
+
+
+ _enabled
+ True
+
+
+ type
+ complex
+
+
+ title
+ Recovered DQPSK Constellation
+
+
+ samp_rate
+ samp_rate
+
+
+ v_scale
+ 0
+
+
+ v_offset
+ 0
+
+
+ t_scale
+ 0
+
+
+ ac_couple
+ False
+
+
+ xy_mode
+ True
+
+
+ num_inputs
+ 1
+
+
+ win_size
+
+
+
+ grid_pos
+
+
+
+ notebook
+
+
+
+ _coordinate
+ (747, 237)
+
+
+ _rotation
+ 0
+
+
+
+ variable_slider
+
+ id
+ timing_alpha
+
+
+ _enabled
+ True
+
+
+ label
+ Timing Alpha
+
+
+ value
+ .1
+
+
+ min
+ 0
+
+
+ max
+ .5
+
+
+ num_steps
+ 100
+
+
+ style
+ wx.SL_HORIZONTAL
+
+
+ converver
+ float_converter
+
+
+ grid_pos
+
+
+
+ notebook
+
+
+
+ _coordinate
+ (759, 365)
+
+
+ _rotation
+ 0
+
+
+
+ gr_null_sink
+
+ id
+ gr_null_sink_0
+
+
+ _enabled
+ True
+
+
+ type
+ byte
+
+
+ vlen
+ 1
+
+
+ _coordinate
+ (815, 80)
+
+
+ _rotation
+ 0
+
+
+
+ variable_slider
+
+ id
+ costas_alpha
+
+
+ _enabled
+ True
+
+
+ label
+ Costas Alpha
+
+
+ value
+ 0.175
+
+
+ min
+ 0
+
+
+ max
+ .5
+
+
+ num_steps
+ 100
+
+
+ style
+ wx.SL_HORIZONTAL
+
+
+ converver
+ float_converter
+
+
+ grid_pos
+
+
+
+ notebook
+
+
+
+ _coordinate
+ (598, 367)
+
+
+ _rotation
+ 0
+
+
+
+ usrp_simple_source_x
+
+ id
+ usrp_simple_source_x_0
+
+
+ _enabled
+ False
+
+
+ type
+ complex
+
+
+ format
+
+
+
+ which
+ 0
+
+
+ decimation
+ int(64e6/samp_rate)
+
+
+ frequency
+ bb_freq
+
+
+ lo_offset
+ float('inf')
+
+
+ gain
+ 0
+
+
+ side
+ B
+
+
+ rx_ant
+ TX/RX
+
+
+ hb_filters
+
+
+
+ _coordinate
+ (154, 218)
+
+
+ _rotation
+ 0
+
+
+
+ wxgui_fftsink2
+
+ id
+ wxgui_fftsink2_0
+
+
+ _enabled
+ True
+
+
+ type
+ complex
+
+
+ title
+ Receive Spectrum
+
+
+ samp_rate
+ samp_rate
+
+
+ baseband_freq
+ bb_freq
+
+
+ y_per_div
+ 10
+
+
+ y_divs
+ 10
+
+
+ ref_level
+ -40
+
+
+ ref_scale
+ p2p
+
+
+ fft_size
+ 1024
+
+
+ fft_rate
+ 20
+
+
+ peak_hold
+ False
+
+
+ average
+ False
+
+
+ avg_alpha
+ 0
+
+
+ win
+ None
+
+
+ win_size
+
+
+
+ grid_pos
+
+
+
+ notebook
+
+
+
+ _coordinate
+ (383, 321)
+
+
+ _rotation
+ 0
+
+
+
+ usrp2_source_xxxx_0
+ wxgui_fftsink2_0
+ 0
+ 0
+
+
+ usrp2_source_xxxx_0
+ blks2_dxpsk2_demod_0
+ 0
+ 0
+
+
+ blks2_dxpsk2_demod_0
+ gr_null_sink_0
+ 0
+ 0
+
+
+ blks2_dxpsk2_demod_0
+ wxgui_scopesink2_0
+ 1
+ 0
+
+
diff --git a/gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc b/gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc
new file mode 100644
index 000000000..c710dbb24
--- /dev/null
+++ b/gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc
@@ -0,0 +1,583 @@
+
+
+ Wed Nov 25 20:45:29 2009
+
+ options
+
+ id
+ usrp_tx_dpsk
+
+
+ _enabled
+ True
+
+
+ title
+ USRP TX DPSK
+
+
+ author
+
+
+
+ description
+
+
+
+ window_size
+ 1280, 1024
+
+
+ generate_options
+ wx_gui
+
+
+ category
+ Custom
+
+
+ run_options
+ prompt
+
+
+ run
+ True
+
+
+ realtime_scheduling
+
+
+
+ _coordinate
+ (10, 10)
+
+
+ _rotation
+ 0
+
+
+
+ variable
+
+ id
+ samps_per_sym
+
+
+ _enabled
+ True
+
+
+ value
+ 4
+
+
+ _coordinate
+ (15, 76)
+
+
+ _rotation
+ 0
+
+
+
+ variable
+
+ id
+ samp_rate
+
+
+ _enabled
+ True
+
+
+ value
+ 1e6
+
+
+ _coordinate
+ (12, 207)
+
+
+ _rotation
+ 0
+
+
+
+ random_source_x
+
+ id
+ random_source_x_0
+
+
+ _enabled
+ True
+
+
+ type
+ byte
+
+
+ min
+ 0
+
+
+ max
+ 2**8
+
+
+ num_samps
+ 1000
+
+
+ repeat
+ True
+
+
+ _coordinate
+ (23, 319)
+
+
+ _rotation
+ 0
+
+
+
+ blks2_dxpsk2_mod
+
+ id
+ blks2_dxpsk2_mod_0
+
+
+ _enabled
+ True
+
+
+ type
+ dqpsk
+
+
+ samples_per_symbol
+ samps_per_sym
+
+
+ excess_bw
+ 0.35
+
+
+ gray_code
+ True
+
+
+ verbose
+ False
+
+
+ log
+ False
+
+
+ _coordinate
+ (234, 151)
+
+
+ _rotation
+ 0
+
+
+
+ usrp_simple_sink_x
+
+ id
+ usrp_simple_sink_x_0
+
+
+ _enabled
+ True
+
+
+ type
+ complex
+
+
+ which
+ 0
+
+
+ interpolation
+ int(128e6/samp_rate)
+
+
+ frequency
+ bb_freq
+
+
+ lo_offset
+ float('inf')
+
+
+ gain
+ 0
+
+
+ side
+ A
+
+
+ transmit
+ auto_tr
+
+
+ _coordinate
+ (516, 203)
+
+
+ _rotation
+ 0
+
+
+
+ usrp2_sink_xxxx
+
+ id
+ usrp2_sink_xxxx_0
+
+
+ _enabled
+ False
+
+
+ type
+ complex
+
+
+ interface
+
+
+
+ mac_addr
+
+
+
+ interpolation
+ int(100e6/samp_rate)
+
+
+ frequency
+ bb_freq
+
+
+ lo_offset
+ float('inf')
+
+
+ gain
+ 0
+
+
+ _coordinate
+ (498, 51)
+
+
+ _rotation
+ 0
+
+
+
+ variable_slider
+
+ id
+ tx_ampl
+
+
+ _enabled
+ True
+
+
+ label
+ TX Amplitude
+
+
+ value
+ .2
+
+
+ min
+ 0
+
+
+ max
+ 1
+
+
+ num_steps
+ 100
+
+
+ style
+ wx.SL_HORIZONTAL
+
+
+ converver
+ float_converter
+
+
+ grid_pos
+
+
+
+ notebook
+
+
+
+ _coordinate
+ (277, 491)
+
+
+ _rotation
+ 0
+
+
+
+ variable
+
+ id
+ bb_freq
+
+
+ _enabled
+ True
+
+
+ value
+ 2.45e9+freq_off
+
+
+ _coordinate
+ (14, 141)
+
+
+ _rotation
+ 0
+
+
+
+ variable_slider
+
+ id
+ freq_off
+
+
+ _enabled
+ True
+
+
+ label
+ Frequency Offset
+
+
+ value
+ 0
+
+
+ min
+ -samp_rate/2
+
+
+ max
+ samp_rate/2
+
+
+ num_steps
+ 100
+
+
+ style
+ wx.SL_HORIZONTAL
+
+
+ converver
+ float_converter
+
+
+ grid_pos
+
+
+
+ notebook
+
+
+
+ _coordinate
+ (63, 483)
+
+
+ _rotation
+ 0
+
+
+
+ variable
+
+ id
+ p2p
+
+
+ _enabled
+ True
+
+
+ value
+ 2**15
+
+
+ _coordinate
+ (179, 37)
+
+
+ _rotation
+ 0
+
+
+
+ gr_multiply_const_vxx
+
+ id
+ gr_multiply_const_vxx_0
+
+
+ _enabled
+ True
+
+
+ type
+ complex
+
+
+ const
+ tx_ampl*p2p/2.
+
+
+ vlen
+ 1
+
+
+ _coordinate
+ (306, 355)
+
+
+ _rotation
+ 0
+
+
+
+ wxgui_fftsink2
+
+ id
+ wxgui_fftsink2_0
+
+
+ _enabled
+ True
+
+
+ type
+ complex
+
+
+ title
+ Transmit Spectrum
+
+
+ samp_rate
+ samp_rate
+
+
+ baseband_freq
+ bb_freq
+
+
+ y_per_div
+ 10
+
+
+ y_divs
+ 10
+
+
+ ref_level
+ 0
+
+
+ ref_scale
+ p2p
+
+
+ fft_size
+ 1024
+
+
+ fft_rate
+ 20
+
+
+ peak_hold
+ False
+
+
+ average
+ False
+
+
+ avg_alpha
+ 0
+
+
+ win
+ None
+
+
+ win_size
+
+
+
+ grid_pos
+
+
+
+ notebook
+
+
+
+ _coordinate
+ (576, 410)
+
+
+ _rotation
+ 0
+
+
+
+ random_source_x_0
+ blks2_dxpsk2_mod_0
+ 0
+ 0
+
+
+ blks2_dxpsk2_mod_0
+ gr_multiply_const_vxx_0
+ 0
+ 0
+
+
+ gr_multiply_const_vxx_0
+ usrp_simple_sink_x_0
+ 0
+ 0
+
+
+ gr_multiply_const_vxx_0
+ wxgui_fftsink2_0
+ 0
+ 0
+
+
--
cgit
From 5a8e6229298d89ccf527a4d8894e0c654dea39d9 Mon Sep 17 00:00:00 2001
From: Josh Blum
Date: Thu, 3 Dec 2009 16:24:50 -0500
Subject: updated tx example
---
gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc | 48 ++++++++++++++---------------
1 file changed, 24 insertions(+), 24 deletions(-)
diff --git a/gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc b/gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc
index c710dbb24..90ec5e910 100644
--- a/gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc
+++ b/gnuradio-examples/grc/usrp/usrp_tx_dpsk.grc
@@ -1,6 +1,6 @@
- Wed Nov 25 20:45:29 2009
+ Thu Dec 3 11:42:41 2009
options
@@ -79,29 +79,6 @@
0
-
- variable
-
- id
- samp_rate
-
-
- _enabled
- True
-
-
- value
- 1e6
-
-
- _coordinate
- (12, 207)
-
-
- _rotation
- 0
-
-
random_source_x
@@ -556,6 +533,29 @@
0
+
+ variable
+
+ id
+ samp_rate
+
+
+ _enabled
+ True
+
+
+ value
+ 1e6/4
+
+
+ _coordinate
+ (12, 207)
+
+
+ _rotation
+ 0
+
+
random_source_x_0
blks2_dxpsk2_mod_0
--
cgit
From a903212f60d9bc4f3a5b34ae47fe54cdb2db0ce0 Mon Sep 17 00:00:00 2001
From: Matt Ettus
Date: Thu, 3 Dec 2009 08:27:05 -0800
Subject: added a gain slider
---
gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc | 416 +++++++++++++++++-----------
1 file changed, 254 insertions(+), 162 deletions(-)
diff --git a/gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc b/gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc
index 9b869687a..9843ee6b0 100644
--- a/gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc
+++ b/gnuradio-examples/grc/usrp/usrp_rx_dpsk.grc
@@ -1,6 +1,6 @@
- Wed Nov 25 20:45:31 2009
+ Wed Dec 2 11:03:20 2009
options
@@ -106,7 +106,7 @@
variable
id
- samp_rate
+ p2p
_enabled
@@ -114,11 +114,11 @@
value
- 1e6
+ 2.0
_coordinate
- (20, 234)
+ (13, 314)
_rotation
@@ -126,46 +126,54 @@
- usrp2_source_xxxx
+ variable_slider
id
- usrp2_source_xxxx_0
+ timing_alpha
_enabled
True
- type
- complex
+ label
+ Timing Alpha
- interface
-
+ value
+ .1
- mac_addr
-
+ min
+ 0
- decimation
- int(100e6/samp_rate)
+ max
+ .5
- frequency
- bb_freq
+ num_steps
+ 100
- lo_offset
- float('inf')
+ style
+ wx.SL_HORIZONTAL
- gain
- 0
+ converver
+ float_converter
+
+
+ grid_pos
+
+
+
+ notebook
+
_coordinate
- (158, 51)
+ (759, 365)
_rotation
@@ -173,10 +181,10 @@
- blks2_dxpsk2_demod
+ gr_null_sink
id
- blks2_dxpsk2_demod_0
+ gr_null_sink_0
_enabled
@@ -184,74 +192,70 @@
type
- dqpsk
-
-
- samples_per_symbol
- samps_per_sym
+ byte
- excess_bw
- 0.35
+ vlen
+ 1
- costas_alpha
- costas_alpha
+ _coordinate
+ (815, 80)
- timing_alpha
- timing_alpha
+ _rotation
+ 0
+
+
+ variable_slider
- timing_max_dev
- 1.5
+ id
+ costas_alpha
- omega_relative_limit
- 0.005
+ _enabled
+ True
- gray_code
- True
+ label
+ Costas Alpha
- verbose
- False
+ value
+ 0.175
- log
- False
+ min
+ 0
- sync_out
- True
+ max
+ .5
- _coordinate
- (488, 65)
+ num_steps
+ 100
- _rotation
- 0
+ style
+ wx.SL_HORIZONTAL
-
-
- variable
- id
- p2p
+ converver
+ float_converter
- _enabled
- True
+ grid_pos
+
- value
- 2.0
+ notebook
+
_coordinate
- (13, 314)
+ (598, 367)
_rotation
@@ -259,10 +263,10 @@
- wxgui_scopesink2
+ wxgui_fftsink2
id
- wxgui_scopesink2_0
+ wxgui_fftsink2_0
_enabled
@@ -274,35 +278,55 @@
title
- Recovered DQPSK Constellation
+ Receive Spectrum
samp_rate
samp_rate
- v_scale
- 0
+ baseband_freq
+ bb_freq
- v_offset
- 0
+ y_per_div
+ 10
- t_scale
- 0
+ y_divs
+ 10
- ac_couple
+ ref_level
+ -40
+
+
+ ref_scale
+ p2p
+
+
+ fft_size
+ 1024
+
+
+ fft_rate
+ 15
+
+
+ peak_hold
False
- xy_mode
- True
+ average
+ False
- num_inputs
- 1
+ avg_alpha
+ 0
+
+
+ win
+ None
win_size
@@ -318,7 +342,30 @@
_coordinate
- (747, 237)
+ (383, 321)
+
+
+ _rotation
+ 0
+
+
+
+ variable
+
+ id
+ samp_rate
+
+
+ _enabled
+ True
+
+
+ value
+ 1e6/4
+
+
+ _coordinate
+ (20, 234)
_rotation
@@ -329,7 +376,7 @@
variable_slider
id
- timing_alpha
+ gain
_enabled
@@ -337,11 +384,11 @@
label
- Timing Alpha
+ Gain
value
- .1
+ 20
min
@@ -349,7 +396,7 @@
max
- .5
+ 70
num_steps
@@ -373,7 +420,7 @@
_coordinate
- (759, 365)
+ (152, 378)
_rotation
@@ -381,10 +428,10 @@
- gr_null_sink
+ usrp2_source_xxxx
id
- gr_null_sink_0
+ usrp2_source_xxxx_0
_enabled
@@ -392,70 +439,35 @@
type
- byte
-
-
- vlen
- 1
-
-
- _coordinate
- (815, 80)
-
-
- _rotation
- 0
-
-
-
- variable_slider
-
- id
- costas_alpha
-
-
- _enabled
- True
-
-
- label
- Costas Alpha
-
-
- value
- 0.175
-
-
- min
- 0
+ complex
- max
- .5
+ interface
+
- num_steps
- 100
+ mac_addr
+
- style
- wx.SL_HORIZONTAL
+ decimation
+ int(100e6/samp_rate)
- converver
- float_converter
+ frequency
+ bb_freq
- grid_pos
-
+ lo_offset
+ float('inf')
- notebook
-
+ gain
+ gain
_coordinate
- (598, 367)
+ (158, 51)
_rotation
@@ -498,7 +510,7 @@
gain
- 0
+ gain
side
@@ -522,10 +534,10 @@
- wxgui_fftsink2
+ blks2_dxpsk2_demod
id
- wxgui_fftsink2_0
+ blks2_dxpsk2_demod_0
_enabled
@@ -533,59 +545,102 @@
type
- complex
+ dqpsk
- title
- Receive Spectrum
+ samples_per_symbol
+ samps_per_sym
- samp_rate
- samp_rate
+ excess_bw
+ 0.35
- baseband_freq
- bb_freq
+ costas_alpha
+ costas_alpha
- y_per_div
- 10
+ timing_alpha
+ timing_alpha
- y_divs
- 10
+ timing_max_dev
+ 1.5
- ref_level
- -40
+ omega_relative_limit
+ 0.005
- ref_scale
- p2p
+ gray_code
+ True
- fft_size
- 1024
+ verbose
+ False
- fft_rate
- 20
+ log
+ False
- peak_hold
- False
+ sync_out
+ True
- average
- False
+ _coordinate
+ (487, 64)
- avg_alpha
+ _rotation
0
+
+
+ wxgui_scopesink2
- win
- None
+ id
+ wxgui_scopesink2_0
+
+
+ _enabled
+ True
+
+
+ type
+ complex
+
+
+ title
+ Recovered DQPSK Constellation
+
+
+ samp_rate
+ samp_rate/4/20
+
+
+ v_scale
+ 0
+
+
+ v_offset
+ 0
+
+
+ t_scale
+ 0
+
+
+ ac_couple
+ False
+
+
+ xy_mode
+ True
+
+
+ num_inputs
+ 1
win_size
@@ -601,7 +656,38 @@
_coordinate
- (383, 321)
+ (760, 239)
+
+
+ _rotation
+ 180
+
+
+
+ gr_keep_one_in_n
+
+ id
+ gr_keep_one_in_n_0
+
+
+ _enabled
+ True
+
+
+ type
+ complex
+
+
+ n
+ 20
+
+
+ vlen
+ 1
+
+
+ _coordinate
+ (873, 151)
_rotation
@@ -628,8 +714,14 @@
blks2_dxpsk2_demod_0
- wxgui_scopesink2_0
+ gr_keep_one_in_n_0
1
0
+
+ gr_keep_one_in_n_0
+ wxgui_scopesink2_0
+ 0
+ 0
+
--
cgit