<?xml version="1.0"?> <!-- ################################################### ##Probe MPSK SNR ################################################### --> <block> <name>Probe MPSK SNR</name> <key>gr_probe_mpsk_snr_c</key> <import>from gnuradio import gr</import> <make>gr.probe_mpsk_snr_c($alpha)</make> <callback>set_alpha($alpha)</callback> <param> <name>Alpha</name> <key>alpha</key> <value>1</value> <type>real</type> </param> <sink> <name>in</name> <type>complex</type> </sink> <doc> Available functions to probe: signal_mean(), noise_variance() Use with the function probe block. </doc> </block>