<?xml version="1.0"?> <!-- ################################################### ##Log Power FFT ################################################### --> <block> <name>Log Power FFT</name> <key>blks2_logpwrfft_x</key> <import>from gnuradio import blks2</import> <make>blks2.logpwrfft_$(type.fcn)( sample_rate=$sample_rate, fft_size=$fft_size, ref_scale=$ref_scale, frame_rate=$frame_rate, avg_alpha=$avg_alpha, average=$average, )</make> <callback>set_sample_rate($sample_rate)</callback> <callback>set_avg_alpha($avg_alpha)</callback> <callback>set_average($average)</callback> <param> <name>Input Type</name> <key>type</key> <type>enum</type> <option> <name>Complex</name> <key>complex</key> <opt>fcn:c</opt> </option> <option> <name>Float</name> <key>float</key> <opt>fcn:f</opt> </option> </param> <param> <name>Sample Rate</name> <key>sample_rate</key> <value>samp_rate</value> <type>real</type> </param> <param> <name>FFT Size</name> <key>fft_size</key> <value>1024</value> <type>int</type> </param> <param> <name>Reference Scale</name> <key>ref_scale</key> <value>2</value> <type>real</type> </param> <param> <name>Frame Rate</name> <key>frame_rate</key> <value>30</value> <type>real</type> </param> <param> <name>Average</name> <key>average</key> <value>False</value> <type>bool</type> <option> <name>On</name> <key>True</key> </option> <option> <name>Off</name> <key>False</key> </option> </param> <param> <name>Average Alpha</name> <key>avg_alpha</key> <value>1.0</value> <type>real</type> </param> <sink> <name>in</name> <type>$type</type> </sink> <source> <name>out</name> <type>float</type> <vlen>$fft_size</vlen> </source> </block>