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Spectrum: Resampling
Raw
spec.grc
<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.8'?>
<flow_graph>
<timestamp>Mon Aug 10 11:22:14 2015</timestamp>
<block>
<key>options</key>
<param>
<key>author</key>
<value></value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>category</key>
<value>Custom</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>description</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(8, 6)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>generate_options</key>
<value>qt_gui</value>
</param>
<param>
<key>id</key>
<value>Spectrum_vis</value>
</param>
<param>
<key>max_nouts</key>
<value>0</value>
</param>
<param>
<key>realtime_scheduling</key>
<value></value>
</param>
<param>
<key>run_options</key>
<value>prompt</value>
</param>
<param>
<key>run</key>
<value>True</value>
</param>
<param>
<key>thread_safe_setters</key>
<value></value>
</param>
<param>
<key>title</key>
<value>Spectrum visualizations</value>
</param>
<param>
<key>window_size</key>
<value>1280, 1024</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(424, 13)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>decimation</value>
</param>
<param>
<key>value</key>
<value>5</value>
</param>
</block>
<block>
<key>variable_qtgui_label</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>float(interpolation)/decimation</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>formatter</key>
<value>None</value>
</param>
<param>
<key>_coordinate</key>
<value>(672, 494)</value>
</param>
<param>
<key>gui_hint</key>
<value>0,0,1,2</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>interp</value>
</param>
<param>
<key>label</key>
<value>"interpolation: {:d}, decimation: {:d}, relative rate".format(interpolation,decimation)</value>
</param>
<param>
<key>type</key>
<value>real</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(312, 13)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>interpolation</value>
</param>
<param>
<key>value</key>
<value>3</value>
</param>
</block>
<block>
<key>variable_low_pass_filter_taps</key>
<param>
<key>beta</key>
<value>6.76</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>cutoff_freq</key>
<value>samp_rate/2 * min(float(interpolation) / decimation , float(decimation)/interpolation)</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(608, 10)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>gain</key>
<value>1.0</value>
</param>
<param>
<key>id</key>
<value>lpf</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate*interpolation</value>
</param>
<param>
<key>width</key>
<value>samp_rate/2 - samp_rate/2 * min(float(interpolation) / decimation , float(decimation)/interpolation)</value>
</param>
<param>
<key>win</key>
<value>firdes.WIN_HAMMING</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(216, 13)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>samp_rate</value>
</param>
<param>
<key>value</key>
<value>32000</value>
</param>
</block>
<block>
<key>analog_fastnoise_source_x</key>
<param>
<key>amp</key>
<value>0.8</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(272, 119)</value>
</param>
<param>
<key>_rotation</key>
<value>180</value>
</param>
<param>
<key>id</key>
<value>analog_fastnoise_source_x_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>noise_type</key>
<value>analog.GR_GAUSSIAN</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>seed</key>
<value>0</value>
</param>
<param>
<key>samples</key>
<value>2**20</value>
</param>
</block>
<block>
<key>blocks_keep_one_in_n</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(576, 348)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_keep_one_in_n_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>n</key>
<value>decimation</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_throttle</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(96, 140)</value>
</param>
<param>
<key>_rotation</key>
<value>180</value>
</param>
<param>
<key>id</key>
<value>blocks_throttle_0</value>
</param>
<param>
<key>ignoretag</key>
<value>True</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>samples_per_second</key>
<value>samp_rate</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>virtual_sink</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(344, 220)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>input_sig_i</value>
</param>
<param>
<key>stream_id</key>
<value>input_sig</value>
</param>
</block>
<block>
<key>virtual_sink</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(536, 220)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>input_sig_i_0</value>
</param>
<param>
<key>stream_id</key>
<value>intermediate_sig</value>
</param>
</block>
<block>
<key>virtual_sink</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(760, 220)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>input_sig_i_0_0</value>
</param>
<param>
<key>stream_id</key>
<value>output_sig</value>
</param>
</block>
<block>
<key>interp_fir_filter_xxx</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(312, 341)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>interp_fir_filter_xxx_0</value>
</param>
<param>
<key>interp</key>
<value>interpolation</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>samp_delay</key>
<value>0</value>
</param>
<param>
<key>taps</key>
<value>lpf</value>
</param>
<param>
<key>type</key>
<value>fff</value>
</param>
</block>
<block>
<key>low_pass_filter</key>
<param>
<key>beta</key>
<value>6.76</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>cutoff_freq</key>
<value>samp_rate/17*10/2</value>
</param>
<param>
<key>decim</key>
<value>1</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>fir_filter_fff</value>
</param>
<param>
<key>_coordinate</key>
<value>(80, 306)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>gain</key>
<value>1</value>
</param>
<param>
<key>id</key>
<value>low_pass_filter_0</value>
</param>
<param>
<key>interp</key>
<value>1</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>width</key>
<value>samp_rate/100</value>
</param>
<param>
<key>win</key>
<value>firdes.WIN_BLACKMAN</value>
</param>
</block>
<block>
<key>note</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(312, 404)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>note_0</value>
</param>
<param>
<key>note</key>
<value>replace "lpf" by [1.]</value>
</param>
</block>
<block>
<key>qtgui_freq_sink_x</key>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>average</key>
<value>1.0</value>
</param>
<param>
<key>bw</key>
<value>samp_rate</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>fc</key>
<value>0</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>False</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>fftsize</key>
<value>1024</value>
</param>
<param>
<key>_coordinate</key>
<value>(464, 495)</value>
</param>
<param>
<key>gui_hint</key>
<value>1,1,1,1</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid</key>
<value>False</value>
</param>
<param>
<key>id</key>
<value>qtgui_freq_sink_x_0</value>
</param>
<param>
<key>legend</key>
<value>False</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>color1</key>
<value>"blue"</value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>width1</key>
<value>1</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>color10</key>
<value>"dark blue"</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>width10</key>
<value>1</value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>color2</key>
<value>"red"</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>width7</key>
<value>1</value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>color8</key>
<value>"dark red"</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>width8</key>
<value>1</value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>color9</key>
<value>"dark green"</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>width9</key>
<value>1</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>name</key>
<value>"input spectrum"</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>showports</key>
<value>True</value>
</param>
<param>
<key>freqhalf</key>
<value>True</value>
</param>
<param>
<key>tr_chan</key>
<value>0</value>
</param>
<param>
<key>tr_level</key>
<value>0.0</value>
</param>
<param>
<key>tr_mode</key>
<value>qtgui.TRIG_MODE_FREE</value>
</param>
<param>
<key>tr_tag</key>
<value>""</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>wintype</key>
<value>firdes.WIN_BLACKMAN_hARRIS</value>
</param>
<param>
<key>ymax</key>
<value>10</value>
</param>
<param>
<key>ymin</key>
<value>-140</value>
</param>
</block>
<block>
<key>qtgui_freq_sink_x</key>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>average</key>
<value>1.0</value>
</param>
<param>
<key>bw</key>
<value>samp_rate*interpolation</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>fc</key>
<value>0</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>False</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>fftsize</key>
<value>1024</value>
</param>
<param>
<key>_coordinate</key>
<value>(464, 591)</value>
</param>
<param>
<key>gui_hint</key>
<value>2,1,1,1</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid</key>
<value>False</value>
</param>
<param>
<key>id</key>
<value>qtgui_freq_sink_x_0_0</value>
</param>
<param>
<key>legend</key>
<value>False</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>color1</key>
<value>"blue"</value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>width1</key>
<value>1</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>color10</key>
<value>"dark blue"</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>width10</key>
<value>1</value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>color2</key>
<value>"red"</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>width7</key>
<value>1</value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>color8</key>
<value>"dark red"</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>width8</key>
<value>1</value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>color9</key>
<value>"dark green"</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>width9</key>
<value>1</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>name</key>
<value>"intermediate spectrum"</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>showports</key>
<value>True</value>
</param>
<param>
<key>freqhalf</key>
<value>True</value>
</param>
<param>
<key>tr_chan</key>
<value>0</value>
</param>
<param>
<key>tr_level</key>
<value>0.0</value>
</param>
<param>
<key>tr_mode</key>
<value>qtgui.TRIG_MODE_FREE</value>
</param>
<param>
<key>tr_tag</key>
<value>""</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>wintype</key>
<value>firdes.WIN_BLACKMAN_hARRIS</value>
</param>
<param>
<key>ymax</key>
<value>10</value>
</param>
<param>
<key>ymin</key>
<value>-140</value>
</param>
</block>
<block>
<key>qtgui_freq_sink_x</key>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>average</key>
<value>1.0</value>
</param>
<param>
<key>bw</key>
<value>samp_rate*interpolation/decimation</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>fc</key>
<value>0</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>False</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>fftsize</key>
<value>1024</value>
</param>
<param>
<key>_coordinate</key>
<value>(464, 687)</value>
</param>
<param>
<key>gui_hint</key>
<value>3,1,1,1</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid</key>
<value>False</value>
</param>
<param>
<key>id</key>
<value>qtgui_freq_sink_x_0_0_0</value>
</param>
<param>
<key>legend</key>
<value>False</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>color1</key>
<value>"blue"</value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>width1</key>
<value>1</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>color10</key>
<value>"dark blue"</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>width10</key>
<value>1</value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>color2</key>
<value>"red"</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>width7</key>
<value>1</value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>color8</key>
<value>"dark red"</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>width8</key>
<value>1</value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>color9</key>
<value>"dark green"</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>width9</key>
<value>1</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>name</key>
<value>"output spectrum"</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>showports</key>
<value>True</value>
</param>
<param>
<key>freqhalf</key>
<value>True</value>
</param>
<param>
<key>tr_chan</key>
<value>0</value>
</param>
<param>
<key>tr_level</key>
<value>0.0</value>
</param>
<param>
<key>tr_mode</key>
<value>qtgui.TRIG_MODE_FREE</value>
</param>
<param>
<key>tr_tag</key>
<value>""</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>wintype</key>
<value>firdes.WIN_BLACKMAN_hARRIS</value>
</param>
<param>
<key>ymax</key>
<value>10</value>
</param>
<param>
<key>ymin</key>
<value>-140</value>
</param>
</block>
<block>
<key>qtgui_time_sink_x</key>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>False</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>entags</key>
<value>True</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(256, 591)</value>
</param>
<param>
<key>gui_hint</key>
<value>2,0,1,1</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid</key>
<value>True</value>
</param>
<param>
<key>id</key>
<value>qtgui_time_sink_x_0</value>
</param>
<param>
<key>legend</key>
<value>False</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>color1</key>
<value>"blue"</value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>marker1</key>
<value>0</value>
</param>
<param>
<key>style1</key>
<value>2</value>
</param>
<param>
<key>width1</key>
<value>1</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>color10</key>
<value>"blue"</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>marker10</key>
<value>-1</value>
</param>
<param>
<key>style10</key>
<value>1</value>
</param>
<param>
<key>width10</key>
<value>1</value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>color2</key>
<value>"red"</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>marker2</key>
<value>-1</value>
</param>
<param>
<key>style2</key>
<value>1</value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>marker3</key>
<value>-1</value>
</param>
<param>
<key>style3</key>
<value>1</value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>marker4</key>
<value>-1</value>
</param>
<param>
<key>style4</key>
<value>1</value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>marker5</key>
<value>-1</value>
</param>
<param>
<key>style5</key>
<value>1</value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>marker6</key>
<value>-1</value>
</param>
<param>
<key>style6</key>
<value>1</value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>marker7</key>
<value>-1</value>
</param>
<param>
<key>style7</key>
<value>1</value>
</param>
<param>
<key>width7</key>
<value>1</value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>color8</key>
<value>"dark red"</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>marker8</key>
<value>-1</value>
</param>
<param>
<key>style8</key>
<value>1</value>
</param>
<param>
<key>width8</key>
<value>1</value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>color9</key>
<value>"dark green"</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>marker9</key>
<value>-1</value>
</param>
<param>
<key>style9</key>
<value>1</value>
</param>
<param>
<key>width9</key>
<value>1</value>
</param>
<param>
<key>name</key>
<value>"up"+str(interpolation)+" signal"</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>size</key>
<value>50</value>
</param>
<param>
<key>srate</key>
<value>samp_rate*interpolation</value>
</param>
<param>
<key>tr_chan</key>
<value>0</value>
</param>
<param>
<key>tr_delay</key>
<value>0</value>
</param>
<param>
<key>tr_level</key>
<value>0.0</value>
</param>
<param>
<key>tr_mode</key>
<value>qtgui.TRIG_MODE_FREE</value>
</param>
<param>
<key>tr_slope</key>
<value>qtgui.TRIG_SLOPE_POS</value>
</param>
<param>
<key>tr_tag</key>
<value>""</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>ylabel</key>
<value>Amplitude</value>
</param>
<param>
<key>yunit</key>
<value>""</value>
</param>
<param>
<key>ymax</key>
<value>1</value>
</param>
<param>
<key>ymin</key>
<value>-1</value>
</param>
</block>
<block>
<key>qtgui_time_sink_x</key>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>False</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>entags</key>
<value>True</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(256, 495)</value>
</param>
<param>
<key>gui_hint</key>
<value>1,0,1,1</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid</key>
<value>True</value>
</param>
<param>
<key>id</key>
<value>qtgui_time_sink_x_0_0</value>
</param>
<param>
<key>legend</key>
<value>False</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>color1</key>
<value>"blue"</value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>marker1</key>
<value>0</value>
</param>
<param>
<key>style1</key>
<value>2</value>
</param>
<param>
<key>width1</key>
<value>1</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>color10</key>
<value>"blue"</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>marker10</key>
<value>-1</value>
</param>
<param>
<key>style10</key>
<value>1</value>
</param>
<param>
<key>width10</key>
<value>1</value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>color2</key>
<value>"red"</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>marker2</key>
<value>-1</value>
</param>
<param>
<key>style2</key>
<value>1</value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>marker3</key>
<value>-1</value>
</param>
<param>
<key>style3</key>
<value>1</value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>marker4</key>
<value>-1</value>
</param>
<param>
<key>style4</key>
<value>1</value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>marker5</key>
<value>-1</value>
</param>
<param>
<key>style5</key>
<value>1</value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>marker6</key>
<value>-1</value>
</param>
<param>
<key>style6</key>
<value>1</value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>marker7</key>
<value>-1</value>
</param>
<param>
<key>style7</key>
<value>1</value>
</param>
<param>
<key>width7</key>
<value>1</value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>color8</key>
<value>"dark red"</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>marker8</key>
<value>-1</value>
</param>
<param>
<key>style8</key>
<value>1</value>
</param>
<param>
<key>width8</key>
<value>1</value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>color9</key>
<value>"dark green"</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>marker9</key>
<value>-1</value>
</param>
<param>
<key>style9</key>
<value>1</value>
</param>
<param>
<key>width9</key>
<value>1</value>
</param>
<param>
<key>name</key>
<value>"input signal"</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>size</key>
<value>50</value>
</param>
<param>
<key>srate</key>
<value>samp_rate</value>
</param>
<param>
<key>tr_chan</key>
<value>0</value>
</param>
<param>
<key>tr_delay</key>
<value>0</value>
</param>
<param>
<key>tr_level</key>
<value>0.0</value>
</param>
<param>
<key>tr_mode</key>
<value>qtgui.TRIG_MODE_FREE</value>
</param>
<param>
<key>tr_slope</key>
<value>qtgui.TRIG_SLOPE_POS</value>
</param>
<param>
<key>tr_tag</key>
<value>""</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>ylabel</key>
<value>Amplitude</value>
</param>
<param>
<key>yunit</key>
<value>""</value>
</param>
<param>
<key>ymax</key>
<value>1</value>
</param>
<param>
<key>ymin</key>
<value>-1</value>
</param>
</block>
<block>
<key>qtgui_time_sink_x</key>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>False</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>entags</key>
<value>True</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(256, 687)</value>
</param>
<param>
<key>gui_hint</key>
<value>3,0,1,1</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid</key>
<value>True</value>
</param>
<param>
<key>id</key>
<value>qtgui_time_sink_x_0_1</value>
</param>
<param>
<key>legend</key>
<value>False</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>color1</key>
<value>"blue"</value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>marker1</key>
<value>0</value>
</param>
<param>
<key>style1</key>
<value>2</value>
</param>
<param>
<key>width1</key>
<value>1</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>color10</key>
<value>"blue"</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>marker10</key>
<value>-1</value>
</param>
<param>
<key>style10</key>
<value>1</value>
</param>
<param>
<key>width10</key>
<value>1</value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>color2</key>
<value>"red"</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>marker2</key>
<value>-1</value>
</param>
<param>
<key>style2</key>
<value>1</value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>marker3</key>
<value>-1</value>
</param>
<param>
<key>style3</key>
<value>1</value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>marker4</key>
<value>-1</value>
</param>
<param>
<key>style4</key>
<value>1</value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>marker5</key>
<value>-1</value>
</param>
<param>
<key>style5</key>
<value>1</value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>marker6</key>
<value>-1</value>
</param>
<param>
<key>style6</key>
<value>1</value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>marker7</key>
<value>-1</value>
</param>
<param>
<key>style7</key>
<value>1</value>
</param>
<param>
<key>width7</key>
<value>1</value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>color8</key>
<value>"dark red"</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>marker8</key>
<value>-1</value>
</param>
<param>
<key>style8</key>
<value>1</value>
</param>
<param>
<key>width8</key>
<value>1</value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>color9</key>
<value>"dark green"</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>marker9</key>
<value>-1</value>
</param>
<param>
<key>style9</key>
<value>1</value>
</param>
<param>
<key>width9</key>
<value>1</value>
</param>
<param>
<key>name</key>
<value>"down" + str(decimation)+" signal"</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>size</key>
<value>50</value>
</param>
<param>
<key>srate</key>
<value>samp_rate*interpolation/decimation</value>
</param>
<param>
<key>tr_chan</key>
<value>0</value>
</param>
<param>
<key>tr_delay</key>
<value>0</value>
</param>
<param>
<key>tr_level</key>
<value>0.0</value>
</param>
<param>
<key>tr_mode</key>
<value>qtgui.TRIG_MODE_FREE</value>
</param>
<param>
<key>tr_slope</key>
<value>qtgui.TRIG_SLOPE_POS</value>
</param>
<param>
<key>tr_tag</key>
<value>""</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>ylabel</key>
<value>Amplitude</value>
</param>
<param>
<key>yunit</key>
<value>""</value>
</param>
<param>
<key>ymax</key>
<value>1</value>
</param>
<param>
<key>ymin</key>
<value>-1</value>
</param>
</block>
<block>
<key>virtual_source</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(32, 516)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>virtual_source_0</value>
</param>
<param>
<key>stream_id</key>
<value>input_sig</value>
</param>
</block>
<block>
<key>virtual_source</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(32, 708)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>virtual_source_1</value>
</param>
<param>
<key>stream_id</key>
<value>output_sig</value>
</param>
</block>
<block>
<key>virtual_source</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(32, 612)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>virtual_source_2</value>
</param>
<param>
<key>stream_id</key>
<value>intermediate_sig</value>
</param>
</block>
<connection>
<source_block_id>analog_fastnoise_source_x_0</source_block_id>
<sink_block_id>blocks_throttle_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_keep_one_in_n_0</source_block_id>
<sink_block_id>input_sig_i_0_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_throttle_0</source_block_id>
<sink_block_id>low_pass_filter_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>interp_fir_filter_xxx_0</source_block_id>
<sink_block_id>blocks_keep_one_in_n_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>interp_fir_filter_xxx_0</source_block_id>
<sink_block_id>input_sig_i_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>low_pass_filter_0</source_block_id>
<sink_block_id>input_sig_i</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>low_pass_filter_0</source_block_id>
<sink_block_id>interp_fir_filter_xxx_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>qtgui_freq_sink_x_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>qtgui_time_sink_x_0_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>virtual_source_1</source_block_id>
<sink_block_id>qtgui_freq_sink_x_0_0_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>virtual_source_1</source_block_id>
<sink_block_id>qtgui_time_sink_x_0_1</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>virtual_source_2</source_block_id>
<sink_block_id>qtgui_freq_sink_x_0_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>virtual_source_2</source_block_id>
<sink_block_id>qtgui_time_sink_x_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
</flow_graph>
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