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<?xml version="1.0"?>
<!--
###################################################
##FFT
###################################################
-->
<block>
<name>FFT</name>
<key>gr_fft_vxx</key>
<import>from gnuradio import gr</import>
<import>from gnuradio import window</import>
<make>#if $type() == "complex"
gr.fft_vcc($fft_size, $forward, $window, $shift)
#else
gr.fft_vfc($fft_size, $forward, $window)
#end if</make>
<param>
<name>Input Type</name>
<key>type</key>
<type>enum</type>
<option>
<name>Complex</name>
<key>complex</key>
<opt>hide_shift:</opt>
</option>
<option>
<name>Float</name>
<key>float</key>
<opt>hide_shift:all</opt>
</option>
</param>
<param>
<name>FFT Size</name>
<key>fft_size</key>
<value>1024</value>
<type>int</type>
</param>
<param>
<name>Forward/Reverse</name>
<key>forward</key>
<type>enum</type>
<option>
<name>Forward</name>
<key>True</key>
</option>
<option>
<name>Reverse</name>
<key>False</key>
</option>
</param>
<param>
<name>Window</name>
<key>window</key>
<value>window.blackmanharris(1024)</value>
<type>real_vector</type>
</param>
<param>
<name>Shift</name>
<key>shift</key>
<type>enum</type>
<hide>$type.hide_shift</hide>
<option>
<name>Yes</name>
<key>True</key>
</option>
<option>
<name>No</name>
<key>False</key>
</option>
</param>
<sink>
<name>in</name>
<type>$type</type>
<vlen>$fft_size</vlen>
</sink>
<source>
<name>out</name>
<type>complex</type>
<vlen>$fft_size</vlen>
</source>
</block>
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