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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Goertzel
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Goertzel</name>
   9         <key>gr_goertzel_fc</key>
  10         <import>from gnuradio import gr</import>
  11         <make>gr.goertzel_fc($rate, $len, $freq)</make>
  12         <param>
  13                 <name>Rate</name>
  14                 <key>rate</key>
  15                 <type>int</type>
  16         </param>
  17         <param>
  18                 <name>Length</name>
  19                 <key>len</key>
  20                 <type>int</type>
  21         </param>
  22         <param>
  23                 <name>Frequency</name>
  24                 <key>freq</key>
  25                 <type>real</type>
  26         </param>
  27         <sink>
  28                 <name>in</name>
  29                 <type>float</type>
  30         </sink>
  31         <source>
  32                 <name>out</name>
  33                 <type>complex</type>
  34         </source>
  35 </block>