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grc_qt_example.grc
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<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
<timestamp>Sat Nov 10 14:58:46 2012</timestamp>
<block>
<key>options</key>
<param>
<key>id</key>
<value>grc_qt_example</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>qt_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>max_nouts</key>
<value>0</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_qtgui_range</key>
<param>
<key>id</key>
<value>freq</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Signal Frequency</value>
</param>
<param>
<key>value</key>
<value>1000</value>
</param>
<param>
<key>start</key>
<value>0</value>
</param>
<param>
<key>stop</key>
<value>samp_rate/2.0</value>
</param>
<param>
<key>step</key>
<value>samp_rate/100.0</value>
</param>
<param>
<key>widget</key>
<value>counter_slider</value>
</param>
<param>
<key>orient</key>
<value>Qt.Horizontal</value>
</param>
<param>
<key>min_len</key>
<value>200</value>
</param>
<param>
<key>gui_hint</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(169, 187)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_qtgui_range</key>
<param>
<key>id</key>
<value>amp</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Signal Amplitude</value>
</param>
<param>
<key>value</key>
<value>1</value>
</param>
<param>
<key>start</key>
<value>0</value>
</param>
<param>
<key>stop</key>
<value>1.0</value>
</param>
<param>
<key>step</key>
<value>0.01</value>
</param>
<param>
<key>widget</key>
<value>counter_slider</value>
</param>
<param>
<key>orient</key>
<value>Qt.Horizontal</value>
</param>
<param>
<key>min_len</key>
<value>200</value>
</param>
<param>
<key>gui_hint</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(311, 187)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_qtgui_range</key>
<param>
<key>id</key>
<value>noise</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Noise Amplitude</value>
</param>
<param>
<key>value</key>
<value>0.01</value>
</param>
<param>
<key>start</key>
<value>0</value>
</param>
<param>
<key>stop</key>
<value>1.0</value>
</param>
<param>
<key>step</key>
<value>0.01</value>
</param>
<param>
<key>widget</key>
<value>counter_slider</value>
</param>
<param>
<key>orient</key>
<value>Qt.Horizontal</value>
</param>
<param>
<key>min_len</key>
<value>200</value>
</param>
<param>
<key>gui_hint</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(723, 191)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>blocks_throttle</key>
<param>
<key>id</key>
<value>blocks_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>(511, 96)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>channels_channel_model</key>
<param>
<key>id</key>
<value>channels_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>0.0</value>
</param>
<param>
<key>epsilon</key>
<value>1.0</value>
</param>
<param>
<key>taps</key>
<value>1.0 + 0.0j</value>
</param>
<param>
<key>seed</key>
<value>-42</value>
</param>
<param>
<key>_coordinate</key>
<value>(724, 64)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>qtgui_sink_x</key>
<param>
<key>id</key>
<value>qtgui_sink_x_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>name</key>
<value>QT GUI Plot</value>
</param>
<param>
<key>fftsize</key>
<value>1024</value>
</param>
<param>
<key>wintype</key>
<value>firdes.WIN_BLACKMAN_hARRIS</value>
</param>
<param>
<key>fc</key>
<value>0</value>
</param>
<param>
<key>bw</key>
<value>samp_rate</value>
</param>
<param>
<key>rate</key>
<value>10</value>
</param>
<param>
<key>plotfreq</key>
<value>True</value>
</param>
<param>
<key>plotwaterfall</key>
<value>True</value>
</param>
<param>
<key>plottime</key>
<value>True</value>
</param>
<param>
<key>plotconst</key>
<value>False</value>
</param>
<param>
<key>gui_hint</key>
<value></value>
</param>
<param>
<key>freqchangevar</key>
<value>None</value>
</param>
<param>
<key>_coordinate</key>
<value>(958, 64)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>analog_sig_source_x</key>
<param>
<key>id</key>
<value>analog_sig_source_x_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>waveform</key>
<value>analog.GR_COS_WAVE</value>
</param>
<param>
<key>freq</key>
<value>freq</value>
</param>
<param>
<key>amp</key>
<value>amp</value>
</param>
<param>
<key>offset</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(297, 64)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<connection>
<source_block_id>analog_sig_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>channels_channel_model_0</source_block_id>
<sink_block_id>qtgui_sink_x_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>channels_channel_model_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
</flow_graph>