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Lab_4.1.grc
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<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
<timestamp>Sat Aug 15 16:02:23 2015</timestamp>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>deviation</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>30e3*0 + 5e3</value>
</param>
<param>
<key>_coordinate</key>
<value>(550, 474)</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>False</value>
</param>
<param>
<key>value</key>
<value>32000</value>
</param>
<param>
<key>_coordinate</key>
<value>(10, 83)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>audio_rate</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>int(48e3)</value>
</param>
<param>
<key>_coordinate</key>
<value>(1130, 113)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_text_box</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>250e3</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>formatter</key>
<value>None</value>
</param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(10, 140)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_text_box</key>
<param>
<key>id</key>
<value>freq</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Frequency</value>
</param>
<param>
<key>value</key>
<value>98e6</value>
</param>
<param>
<key>converver</key>
<value>float_converter</value>
</param>
<param>
<key>formatter</key>
<value>None</value>
</param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(207, 167)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>gain</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Gain</value>
</param>
<param>
<key>value</key>
<value>40</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>90</value>
</param>
<param>
<key>num_steps</key>
<value>90</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>(216, 252)</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>False</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>0</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>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>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>freqvar</key>
<value>None</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(570, 40)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>analog_nbfm_rx</key>
<param>
<key>id</key>
<value>analog_nbfm_rx_0</value>
</param>
<param>
<key>_enabled</key>
<value>False</value>
</param>
<param>
<key>audio_rate</key>
<value>audio_rate</value>
</param>
<param>
<key>quad_rate</key>
<value>audio_rate</value>
</param>
<param>
<key>tau</key>
<value>75e-6</value>
</param>
<param>
<key>max_dev</key>
<value>5e3</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(655, 276)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>wxgui_fftsink2</key>
<param>
<key>id</key>
<value>wxgui_fftsink2_1</value>
</param>
<param>
<key>_enabled</key>
<value>False</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>title</key>
<value>FFT Plot</value>
</param>
<param>
<key>samp_rate</key>
<value>audio_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>0</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>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>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>freqvar</key>
<value>None</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(1125, 340)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>rational_resampler_xxx</key>
<param>
<key>id</key>
<value>rational_resampler_xxx_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>ccc</value>
</param>
<param>
<key>interp</key>
<value>audio_rate</value>
</param>
<param>
<key>decim</key>
<value>int(samp_rate)</value>
</param>
<param>
<key>taps</key>
<value></value>
</param>
<param>
<key>fbw</key>
<value>0</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(406, 195)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>analog_pwr_squelch_xx</key>
<param>
<key>id</key>
<value>analog_pwr_squelch_xx_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>threshold</key>
<value>-80</value>
</param>
<param>
<key>alpha</key>
<value>1e-3</value>
</param>
<param>
<key>ramp</key>
<value>0</value>
</param>
<param>
<key>gate</key>
<value>False</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(422, 330)</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>audio_rate</value>
</param>
<param>
<key>v_scale</key>
<value>0.25</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></value>
</param>
<param>
<key>trig_mode</key>
<value>wxgui.TRIG_MODE_AUTO</value>
</param>
<param>
<key>y_axis_label</key>
<value>Counts</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(931, 513)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>analog_quadrature_demod_cf</key>
<param>
<key>id</key>
<value>analog_quadrature_demod_cf_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>gain</key>
<value>(audio_rate/(2*math.pi*deviation))* 0 + ((2*math.pi*deviation)/audio_rate)</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(655, 404)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>low_pass_filter</key>
<param>
<key>id</key>
<value>low_pass_filter_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>fir_filter_fff</value>
</param>
<param>
<key>decim</key>
<value>1</value>
</param>
<param>
<key>interp</key>
<value>1</value>
</param>
<param>
<key>gain</key>
<value>1</value>
</param>
<param>
<key>samp_rate</key>
<value>audio_rate</value>
</param>
<param>
<key>cutoff_freq</key>
<value>3.5e3</value>
</param>
<param>
<key>width</key>
<value>0.5e3</value>
</param>
<param>
<key>win</key>
<value>firdes.WIN_HAMMING</value>
</param>
<param>
<key>beta</key>
<value>6.76</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(901, 361)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>blocks_float_to_complex</key>
<param>
<key>id</key>
<value>blocks_float_to_complex_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(726, 538)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>audio_sink</key>
<param>
<key>id</key>
<value>audio_sink_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>samp_rate</key>
<value>audio_rate</value>
</param>
<param>
<key>device_name</key>
<value></value>
</param>
<param>
<key>ok_to_block</key>
<value>True</value>
</param>
<param>
<key>num_inputs</key>
<value>1</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(1127, 262)</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>fc32</value>
</param>
<param>
<key>otw</key>
<value></value>
</param>
<param>
<key>stream_args</key>
<value></value>
</param>
<param>
<key>stream_chans</key>
<value>[]</value>
</param>
<param>
<key>dev_addr</key>
<value></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>clock_source0</key>
<value></value>
</param>
<param>
<key>time_source0</key>
<value></value>
</param>
<param>
<key>sd_spec0</key>
<value></value>
</param>
<param>
<key>clock_source1</key>
<value></value>
</param>
<param>
<key>time_source1</key>
<value></value>
</param>
<param>
<key>sd_spec1</key>
<value></value>
</param>
<param>
<key>clock_source2</key>
<value></value>
</param>
<param>
<key>time_source2</key>
<value></value>
</param>
<param>
<key>sd_spec2</key>
<value></value>
</param>
<param>
<key>clock_source3</key>
<value></value>
</param>
<param>
<key>time_source3</key>
<value></value>
</param>
<param>
<key>sd_spec3</key>
<value></value>
</param>
<param>
<key>clock_source4</key>
<value></value>
</param>
<param>
<key>time_source4</key>
<value></value>
</param>
<param>
<key>sd_spec4</key>
<value></value>
</param>
<param>
<key>clock_source5</key>
<value></value>
</param>
<param>
<key>time_source5</key>
<value></value>
</param>
<param>
<key>sd_spec5</key>
<value></value>
</param>
<param>
<key>clock_source6</key>
<value></value>
</param>
<param>
<key>time_source6</key>
<value></value>
</param>
<param>
<key>sd_spec6</key>
<value></value>
</param>
<param>
<key>clock_source7</key>
<value></value>
</param>
<param>
<key>time_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>freq</value>
</param>
<param>
<key>gain0</key>
<value>gain</value>
</param>
<param>
<key>ant0</key>
<value>'TX/RX'</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>