diff options
Diffstat (limited to 'gnuradio-examples/grc/uhd/uhd_rx_dpsk.grc')
| -rw-r--r-- | gnuradio-examples/grc/uhd/uhd_rx_dpsk.grc | 1431 |
1 files changed, 1431 insertions, 0 deletions
diff --git a/gnuradio-examples/grc/uhd/uhd_rx_dpsk.grc b/gnuradio-examples/grc/uhd/uhd_rx_dpsk.grc new file mode 100644 index 000000000..73848ff3c --- /dev/null +++ b/gnuradio-examples/grc/uhd/uhd_rx_dpsk.grc @@ -0,0 +1,1431 @@ +<?xml version='1.0' encoding='ASCII'?> +<flow_graph> + <timestamp>Sat Oct 8 15:08:55 2011</timestamp> + <block> + <key>options</key> + <param> + <key>id</key> + <value>uhd_rx_dpsk</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>title</key> + <value>UHD RX DPSK</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>(12, 9)</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>(12, 88)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>parameter</key> + <param> + <key>id</key> + <value>samp_rate</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Sample Rate</value> + </param> + <param> + <key>value</key> + <value>1e6</value> + </param> + <param> + <key>type</key> + <value>eng_float</value> + </param> + <param> + <key>short_id</key> + <value>s</value> + </param> + <param> + <key>_coordinate</key> + <value>(339, 11)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>parameter</key> + <param> + <key>id</key> + <value>freq</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Default Frequency</value> + </param> + <param> + <key>value</key> + <value>2.45e9</value> + </param> + <param> + <key>type</key> + <value>eng_float</value> + </param> + <param> + <key>short_id</key> + <value>f</value> + </param> + <param> + <key>_coordinate</key> + <value>(466, 11)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>parameter</key> + <param> + <key>id</key> + <value>gain</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Default Gain</value> + </param> + <param> + <key>value</key> + <value>0</value> + </param> + <param> + <key>type</key> + <value>eng_float</value> + </param> + <param> + <key>short_id</key> + <value>g</value> + </param> + <param> + <key>_coordinate</key> + <value>(624, 14)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>parameter</key> + <param> + <key>id</key> + <value>address</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>IP Address</value> + </param> + <param> + <key>value</key> + <value>addr=192.168.10.2</value> + </param> + <param> + <key>type</key> + <value>string</value> + </param> + <param> + <key>short_id</key> + <value>a</value> + </param> + <param> + <key>_coordinate</key> + <value>(186, 10)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>parameter</key> + <param> + <key>id</key> + <value>freq_offset</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Rx Frequency Offset</value> + </param> + <param> + <key>value</key> + <value>0</value> + </param> + <param> + <key>type</key> + <value>eng_float</value> + </param> + <param> + <key>short_id</key> + <value>o</value> + </param> + <param> + <key>_coordinate</key> + <value>(748, 15)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>tun_freq</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Freq (Hz)</value> + </param> + <param> + <key>value</key> + <value>freq</value> + </param> + <param> + <key>min</key> + <value>2.4e9</value> + </param> + <param> + <key>max</key> + <value>2.5e9</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, 436)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_null_sink</key> + <param> + <key>id</key> + <value>gr_null_sink_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>byte</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(615, 144)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>timing_bw</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Timing Loop BW</value> + </param> + <param> + <key>value</key> + <value>6.28/100.0</value> + </param> + <param> + <key>min</key> + <value>0</value> + </param> + <param> + <key>max</key> + <value>1</value> + </param> + <param> + <key>num_steps</key> + <value>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>(604, 436)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>phase_bw</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Phase Loop BW</value> + </param> + <param> + <key>value</key> + <value>6.28/100.0</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>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>(461, 436)</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/samps_per_sym</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></value> + </param> + <param> + <key>_coordinate</key> + <value>(931, 313)</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>tun_freq</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></value> + </param> + <param> + <key>_coordinate</key> + <value>(710, 236)</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>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>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>(303, 154)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>rx_freq_off</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>RX Freq Offset (Hz)</value> + </param> + <param> + <key>value</key> + <value>freq_offset</value> + </param> + <param> + <key>min</key> + <value>-100e3</value> + </param> + <param> + <key>max</key> + <value>+100e3</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>(149, 437)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>tun_gain</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>UHD Gain</value> + </param> + <param> + <key>value</key> + <value>gain</value> + </param> + <param> + <key>min</key> + <value>0</value> + </param> + <param> + <key>max</key> + <value>20</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>(306, 438)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>uhd_usrp_source</key> + <param> + <key>id</key> + <value>uhd_usrp_source_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>dev_addr</key> + <value>address</value> + </param> + <param> + <key>sync</key> + <value></value> + </param> + <param> + <key>clock_rate</key> + <value>0.0</value> + </param> + <param> + <key>num_mboards</key> + <value>1</value> + </param> + <param> + <key>ref_source0</key> + <value></value> + </param> + <param> + <key>sd_spec0</key> + <value></value> + </param> + <param> + <key>ref_source1</key> + <value></value> + </param> + <param> + <key>sd_spec1</key> + <value></value> + </param> + <param> + <key>ref_source2</key> + <value></value> + </param> + <param> + <key>sd_spec2</key> + <value></value> + </param> + <param> + <key>ref_source3</key> + <value></value> + </param> + <param> + <key>sd_spec3</key> + <value></value> + </param> + <param> + <key>ref_source4</key> + <value></value> + </param> + <param> + <key>sd_spec4</key> + <value></value> + </param> + <param> + <key>ref_source5</key> + <value></value> + </param> + <param> + <key>sd_spec5</key> + <value></value> + </param> + <param> + <key>ref_source6</key> + <value></value> + </param> + <param> + <key>sd_spec6</key> + <value></value> + </param> + <param> + <key>ref_source7</key> + <value></value> + </param> + <param> + <key>sd_spec7</key> + <value></value> + </param> + <param> + <key>nchan</key> + <value>1</value> + </param> + <param> + <key>samp_rate</key> + <value>samp_rate</value> + </param> + <param> + <key>center_freq0</key> + <value>tun_freq+rx_freq_off</value> + </param> + <param> + <key>gain0</key> + <value>tun_gain</value> + </param> + <param> + <key>ant0</key> + <value></value> + </param> + <param> + <key>bw0</key> + <value>0</value> + </param> + <param> + <key>center_freq1</key> + <value>0</value> + </param> + <param> + <key>gain1</key> + <value>0</value> + </param> + <param> + <key>ant1</key> + <value></value> + </param> + <param> + <key>bw1</key> + <value>0</value> + </param> + <param> + <key>center_freq2</key> + <value>0</value> + </param> + <param> + <key>gain2</key> + <value>0</value> + </param> + <param> + <key>ant2</key> + <value></value> + </param> + <param> + <key>bw2</key> + <value>0</value> + </param> + <param> + <key>center_freq3</key> + <value>0</value> + </param> + <param> + <key>gain3</key> + <value>0</value> + </param> + <param> + <key>ant3</key> + <value></value> + </param> + <param> + <key>bw3</key> + <value>0</value> + </param> + <param> + <key>center_freq4</key> + <value>0</value> + </param> + <param> + <key>gain4</key> + <value>0</value> + </param> + <param> + <key>ant4</key> + <value></value> + </param> + <param> + <key>bw4</key> + <value>0</value> + </param> + <param> + <key>center_freq5</key> + <value>0</value> + </param> + <param> + <key>gain5</key> + <value>0</value> + </param> + <param> + <key>ant5</key> + <value></value> + </param> + <param> + <key>bw5</key> + <value>0</value> + </param> + <param> + <key>center_freq6</key> + <value>0</value> + </param> + <param> + <key>gain6</key> + <value>0</value> + </param> + <param> + <key>ant6</key> + <value></value> + </param> + <param> + <key>bw6</key> + <value>0</value> + </param> + <param> + <key>center_freq7</key> + <value>0</value> + </param> + <param> + <key>gain7</key> + <value>0</value> + </param> + <param> + <key>ant7</key> + <value></value> + </param> + <param> + <key>bw7</key> + <value>0</value> + </param> + <param> + <key>center_freq8</key> + <value>0</value> + </param> + <param> + <key>gain8</key> + <value>0</value> + </param> + <param> + <key>ant8</key> + <value></value> + </param> + <param> + <key>bw8</key> + <value>0</value> + </param> + <param> + <key>center_freq9</key> + <value>0</value> + </param> + <param> + <key>gain9</key> + <value>0</value> + </param> + <param> + <key>ant9</key> + <value></value> + </param> + <param> + <key>bw9</key> + <value>0</value> + </param> + <param> + <key>center_freq10</key> + <value>0</value> + </param> + <param> + <key>gain10</key> + <value>0</value> + </param> + <param> + <key>ant10</key> + <value></value> + </param> + <param> + <key>bw10</key> + <value>0</value> + </param> + <param> + <key>center_freq11</key> + <value>0</value> + </param> + <param> + <key>gain11</key> + <value>0</value> + </param> + <param> + <key>ant11</key> + <value></value> + </param> + <param> + <key>bw11</key> + <value>0</value> + </param> + <param> + <key>center_freq12</key> + <value>0</value> + </param> + <param> + <key>gain12</key> + <value>0</value> + </param> + <param> + <key>ant12</key> + <value></value> + </param> + <param> + <key>bw12</key> + <value>0</value> + </param> + <param> + <key>center_freq13</key> + <value>0</value> + </param> + <param> + <key>gain13</key> + <value>0</value> + </param> + <param> + <key>ant13</key> + <value></value> + </param> + <param> + <key>bw13</key> + <value>0</value> + </param> + <param> + <key>center_freq14</key> + <value>0</value> + </param> + <param> + <key>gain14</key> + <value>0</value> + </param> + <param> + <key>ant14</key> + <value></value> + </param> + <param> + <key>bw14</key> + <value>0</value> + </param> + <param> + <key>center_freq15</key> + <value>0</value> + </param> + <param> + <key>gain15</key> + <value>0</value> + </param> + <param> + <key>ant15</key> + <value></value> + </param> + <param> + <key>bw15</key> + <value>0</value> + </param> + <param> + <key>center_freq16</key> + <value>0</value> + </param> + <param> + <key>gain16</key> + <value>0</value> + </param> + <param> + <key>ant16</key> + <value></value> + </param> + <param> + <key>bw16</key> + <value>0</value> + </param> + <param> + <key>center_freq17</key> + <value>0</value> + </param> + <param> + <key>gain17</key> + <value>0</value> + </param> + <param> + <key>ant17</key> + <value></value> + </param> + <param> + <key>bw17</key> + <value>0</value> + </param> + <param> + <key>center_freq18</key> + <value>0</value> + </param> + <param> + <key>gain18</key> + <value>0</value> + </param> + <param> + <key>ant18</key> + <value></value> + </param> + <param> + <key>bw18</key> + <value>0</value> + </param> + <param> + <key>center_freq19</key> + <value>0</value> + </param> + <param> + <key>gain19</key> + <value>0</value> + </param> + <param> + <key>ant19</key> + <value></value> + </param> + <param> + <key>bw19</key> + <value>0</value> + </param> + <param> + <key>center_freq20</key> + <value>0</value> + </param> + <param> + <key>gain20</key> + <value>0</value> + </param> + <param> + <key>ant20</key> + <value></value> + </param> + <param> + <key>bw20</key> + <value>0</value> + </param> + <param> + <key>center_freq21</key> + <value>0</value> + </param> + <param> + <key>gain21</key> + <value>0</value> + </param> + <param> + <key>ant21</key> + <value></value> + </param> + <param> + <key>bw21</key> + <value>0</value> + </param> + <param> + <key>center_freq22</key> + <value>0</value> + </param> + <param> + <key>gain22</key> + <value>0</value> + </param> + <param> + <key>ant22</key> + <value></value> + </param> + <param> + <key>bw22</key> + <value>0</value> + </param> + <param> + <key>center_freq23</key> + <value>0</value> + </param> + <param> + <key>gain23</key> + <value>0</value> + </param> + <param> + <key>ant23</key> + <value></value> + </param> + <param> + <key>bw23</key> + <value>0</value> + </param> + <param> + <key>center_freq24</key> + <value>0</value> + </param> + <param> + <key>gain24</key> + <value>0</value> + </param> + <param> + <key>ant24</key> + <value></value> + </param> + <param> + <key>bw24</key> + <value>0</value> + </param> + <param> + <key>center_freq25</key> + <value>0</value> + </param> + <param> + <key>gain25</key> + <value>0</value> + </param> + <param> + <key>ant25</key> + <value></value> + </param> + <param> + <key>bw25</key> + <value>0</value> + </param> + <param> + <key>center_freq26</key> + <value>0</value> + </param> + <param> + <key>gain26</key> + <value>0</value> + </param> + <param> + <key>ant26</key> + <value></value> + </param> + <param> + <key>bw26</key> + <value>0</value> + </param> + <param> + <key>center_freq27</key> + <value>0</value> + </param> + <param> + <key>gain27</key> + <value>0</value> + </param> + <param> + <key>ant27</key> + <value></value> + </param> + <param> + <key>bw27</key> + <value>0</value> + </param> + <param> + <key>center_freq28</key> + <value>0</value> + </param> + <param> + <key>gain28</key> + <value>0</value> + </param> + <param> + <key>ant28</key> + <value></value> + </param> + <param> + <key>bw28</key> + <value>0</value> + </param> + <param> + <key>center_freq29</key> + <value>0</value> + </param> + <param> + <key>gain29</key> + <value>0</value> + </param> + <param> + <key>ant29</key> + <value></value> + </param> + <param> + <key>bw29</key> + <value>0</value> + </param> + <param> + <key>center_freq30</key> + <value>0</value> + </param> + <param> + <key>gain30</key> + <value>0</value> + </param> + <param> + <key>ant30</key> + <value></value> + </param> + <param> + <key>bw30</key> + <value>0</value> + </param> + <param> + <key>center_freq31</key> + <value>0</value> + </param> + <param> + <key>gain31</key> + <value>0</value> + </param> + <param> + <key>ant31</key> + <value></value> + </param> + <param> + <key>bw31</key> + <value>0</value> + </param> + <param> + <key>_coordinate</key> + <value>(18, 276)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <connection> + <source_block_id>digital_dxpsk_demod_0</source_block_id> + <sink_block_id>gr_null_sink_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>uhd_usrp_source_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>uhd_usrp_source_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>uhd_usrp_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> +</flow_graph> |