<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
<timestamp>Wed Jul 9 15:47:18 2014</timestamp>
<block>
<key>options</key>
<param>
<key>id</key>
<value>demo_spec_an</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>title</key>
<value></value>
</param>
<param>
<key>author</key>
<value>mettus</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>alias</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(0, -1)</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>100000</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(234, 0)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>fft_size</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>1000</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(151, 0)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>blocks_rms_xx</key>
<param>
<key>id</key>
<value>blocks_rms_xx_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>alpha</key>
<value>.0001</value>
</param>
<param>
<key>alias</key>
<value></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>(491, 138)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>import</key>
<param>
<key>id</key>
<value>imp0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>import</key>
<value>import math</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(-1, 77)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>blocks_rms_xx</key>
<param>
<key>id</key>
<value>blocks_rms_xx_0_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>alpha</key>
<value>.0001</value>
</param>
<param>
<key>alias</key>
<value></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>(458, 301)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>blocks_add_xx</key>
<param>
<key>id</key>
<value>blocks_add_xx_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>num_inputs</key>
<value>2</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>alias</key>
<value></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>(244, 187)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>analog_noise_source_x</key>
<param>
<key>id</key>
<value>analog_noise_source_x_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>noise_type</key>
<value>analog.GR_GAUSSIAN</value>
</param>
<param>
<key>amp</key>
<value>math.pow(10.0,snr/20.0)/math.sqrt(2.0)</value>
</param>
<param>
<key>seed</key>
<value>42</value>
</param>
<param>
<key>alias</key>
<value></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>(11, 138)</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>ignoretag</key>
<value>True</value>
</param>
<param>
<key>alias</key>
<value></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>(363, 200)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>qtgui_time_sink_x</key>
<param>
<key>id</key>
<value>qtgui_time_sink_x_0</value>
</param>
<param>
<key>_enabled</key>
<value>False</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>name</key>
<value>Scope Plot</value>
</param>
<param>
<key>size</key>
<value>1024</value>
</param>
<param>
<key>srate</key>
<value>samp_rate</value>
</param>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>ymin</key>
<value>-1</value>
</param>
<param>
<key>ymax</key>
<value>1</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>entags</key>
<value>True</value>
</param>
<param>
<key>gui_hint</key>
<value></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_level</key>
<value>0.0</value>
</param>
<param>
<key>tr_delay</key>
<value>0</value>
</param>
<param>
<key>tr_chan</key>
<value>0</value>
</param>
<param>
<key>tr_tag</key>
<value>""</value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>width1</key>
<value>1</value>
</param>
<param>
<key>color1</key>
<value>"blue"</value>
</param>
<param>
<key>style1</key>
<value>1</value>
</param>
<param>
<key>marker1</key>
<value>-1</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>color2</key>
<value>"red"</value>
</param>
<param>
<key>style2</key>
<value>1</value>
</param>
<param>
<key>marker2</key>
<value>-1</value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>style3</key>
<value>1</value>
</param>
<param>
<key>marker3</key>
<value>-1</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>style4</key>
<value>1</value>
</param>
<param>
<key>marker4</key>
<value>-1</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>style5</key>
<value>1</value>
</param>
<param>
<key>marker5</key>
<value>-1</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>style6</key>
<value>1</value>
</param>
<param>
<key>marker6</key>
<value>-1</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>width7</key>
<value>1</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>style7</key>
<value>1</value>
</param>
<param>
<key>marker7</key>
<value>-1</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>width8</key>
<value>1</value>
</param>
<param>
<key>color8</key>
<value>"dark red"</value>
</param>
<param>
<key>style8</key>
<value>1</value>
</param>
<param>
<key>marker8</key>
<value>-1</value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>width9</key>
<value>1</value>
</param>
<param>
<key>color9</key>
<value>"dark green"</value>
</param>
<param>
<key>style9</key>
<value>1</value>
</param>
<param>
<key>marker9</key>
<value>-1</value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>width10</key>
<value>1</value>
</param>
<param>
<key>color10</key>
<value>"blue"</value>
</param>
<param>
<key>style10</key>
<value>1</value>
</param>
<param>
<key>marker10</key>
<value>-1</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(853, 100)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>blocks_divide_xx</key>
<param>
<key>id</key>
<value>blocks_divide_xx_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>num_inputs</key>
<value>2</value>
</param>
<param>
<key>alias</key>
<value></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>(665, 388)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>blocks_nlog10_ff</key>
<param>
<key>id</key>
<value>blocks_nlog10_ff_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>n</key>
<value>20</value>
</param>
<param>
<key>k</key>
<value>0</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>alias</key>
<value></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>(814, 393)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_qtgui_range</key>
<param>
<key>id</key>
<value>snr</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Noise Level</value>
</param>
<param>
<key>value</key>
<value>0</value>
</param>
<param>
<key>start</key>
<value>-100</value>
</param>
<param>
<key>stop</key>
<value>100</value>
</param>
<param>
<key>step</key>
<value>1</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>alias</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(348, 0)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_qtgui_range</key>
<param>
<key>id</key>
<value>freq_offset</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Frequency Offset</value>
</param>
<param>
<key>value</key>
<value>0</value>
</param>
<param>
<key>start</key>
<value>-5*samp_rate/fft_size</value>
</param>
<param>
<key>stop</key>
<value>5*samp_rate/fft_size</value>
</param>
<param>
<key>step</key>
<value>1</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>alias</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(487, 0)</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>float(samp_rate)/float(fft_size)*26+freq_offset</value>
</param>
<param>
<key>amp</key>
<value>1.0</value>
</param>
<param>
<key>offset</key>
<value>0</value>
</param>
<param>
<key>alias</key>
<value></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>(12, 228)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>qtgui_number_sink</key>
<param>
<key>id</key>
<value>qtgui_number_sink_snr</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>autoscale</key>
<value>True</value>
</param>
<param>
<key>avg</key>
<value>0</value>
</param>
<param>
<key>graph_type</key>
<value>qtgui.NUM_GRAPH_HORIZ</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>min</key>
<value>-1</value>
</param>
<param>
<key>max</key>
<value>1</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>gui_hint</key>
<value></value>
</param>
<param>
<key>label1</key>
<value>SNR</value>
</param>
<param>
<key>color1</key>
<value>("black", "black")</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>color2</key>
<value>("black", "black")</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>color3</key>
<value>("black", "black")</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>color4</key>
<value>("black", "black")</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>color5</key>
<value>("black", "black")</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>color6</key>
<value>("black", "black")</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>color7</key>
<value>("black", "black")</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>color8</key>
<value>("black", "black")</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>color9</key>
<value>("black", "black")</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>color10</key>
<value>("black", "black")</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(948, 385)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>qtgui_freq_sink_x</key>
<param>
<key>id</key>
<value>qtgui_freq_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>FFT Plot</value>
</param>
<param>
<key>fftsize</key>
<value>1024</value>
</param>
<param>
<key>wintype</key>
<value>firdes.WIN_FLATTOP</value>
</param>
<param>
<key>fc</key>
<value>0</value>
</param>
<param>
<key>bw</key>
<value>1.0</value>
</param>
<param>
<key>autoscale</key>
<value>True</value>
</param>
<param>
<key>average</key>
<value>1.0</value>
</param>
<param>
<key>ymin</key>
<value>-140</value>
</param>
<param>
<key>ymax</key>
<value>10</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>gui_hint</key>
<value></value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>width1</key>
<value>1</value>
</param>
<param>
<key>color1</key>
<value>"blue"</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>color2</key>
<value>"red"</value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>width7</key>
<value>1</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>width8</key>
<value>1</value>
</param>
<param>
<key>color8</key>
<value>"dark red"</value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>width9</key>
<value>1</value>
</param>
<param>
<key>color9</key>
<value>"dark green"</value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>width10</key>
<value>1</value>
</param>
<param>
<key>color10</key>
<value>"dark blue"</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(853, 219)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>qtgui_number_sink</key>
<param>
<key>id</key>
<value>qtgui_number_sink_signal_amplitude</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>avg</key>
<value>0</value>
</param>
<param>
<key>graph_type</key>
<value>qtgui.NUM_GRAPH_HORIZ</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>2</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>gui_hint</key>
<value></value>
</param>
<param>
<key>label1</key>
<value>Signal Amplitude</value>
</param>
<param>
<key>color1</key>
<value>("black", "black")</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>color2</key>
<value>("black", "black")</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>color3</key>
<value>("black", "black")</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>color4</key>
<value>("black", "black")</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>color5</key>
<value>("black", "black")</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>color6</key>
<value>("black", "black")</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>color7</key>
<value>("black", "black")</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>color8</key>
<value>("black", "black")</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>color9</key>
<value>("black", "black")</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>color10</key>
<value>("black", "black")</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(660, 286)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>qtgui_number_sink</key>
<param>
<key>id</key>
<value>qtgui_number_sink_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>avg</key>
<value>0</value>
</param>
<param>
<key>graph_type</key>
<value>qtgui.NUM_GRAPH_HORIZ</value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>100</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>gui_hint</key>
<value></value>
</param>
<param>
<key>label1</key>
<value>Noise Amplitude</value>
</param>
<param>
<key>color1</key>
<value>("black", "black")</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>color2</key>
<value>("black", "black")</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>color3</key>
<value>("black", "black")</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>color4</key>
<value>("black", "black")</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>color5</key>
<value>("black", "black")</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>color6</key>
<value>("black", "black")</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>color7</key>
<value>("black", "black")</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>color8</key>
<value>("black", "black")</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>color9</key>
<value>("black", "black")</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>color10</key>
<value>("black", "black")</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(733, 2)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<connection>
<source_block_id>blocks_divide_xx_0</source_block_id>
<sink_block_id>blocks_nlog10_ff_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_rms_xx_0</source_block_id>
<sink_block_id>blocks_divide_xx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>1</sink_key>
</connection>
<connection>
<source_block_id>blocks_rms_xx_0_0</source_block_id>
<sink_block_id>blocks_divide_xx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_rms_xx_0</source_block_id>
<sink_block_id>qtgui_number_sink_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_rms_xx_0_0</source_block_id>
<sink_block_id>qtgui_number_sink_signal_amplitude</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>qtgui_freq_sink_x_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>analog_sig_source_x_0</source_block_id>
<sink_block_id>blocks_rms_xx_0_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>analog_noise_source_x_0</source_block_id>
<sink_block_id>blocks_rms_xx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_add_xx_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>analog_noise_source_x_0</source_block_id>
<sink_block_id>blocks_add_xx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>analog_sig_source_x_0</source_block_id>
<sink_block_id>blocks_add_xx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>1</sink_key>
</connection>
<connection>
<source_block_id>blocks_throttle_0</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>
<connection>
<source_block_id>blocks_nlog10_ff_0</source_block_id>
<sink_block_id>qtgui_number_sink_snr</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
</flow_graph>