<?xml version="1.0"?> <block> <name>Calculate phase diff</name> <key>usrptest_phase_calc_ccf</key> <category>[usrptest]</category> <import>import usrptest</import> <make>usrptest.phase_calc_ccf()</make> <sink> <name>in1</name> <type>complex</type> </sink> <sink> <name>in2</name> <type>complex</type> </sink> <source> <name>out</name> <type>float</type> </source> </block>