GNU Radio 3.6.3.1 C++ API
digital_diff_phasor_cc.h
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/* -*- c++ -*- */
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/*
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* Copyright 2006,2012 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_DIFF_PHASOR_CC_H
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#define INCLUDED_GR_DIFF_PHASOR_CC_H
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#include <
digital_api.h
>
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#include <
gr_sync_block.h
>
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/*!
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* \brief Differential decoding based on phase change.
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* \ingroup coding_blk
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*
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* Uses the phase difference between two symbols to determine the
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* output symbol:
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*
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* out[i] = in[i] * conj(in[i-1]);
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*/
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class
digital_diff_phasor_cc
;
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typedef
boost::shared_ptr<digital_diff_phasor_cc>
digital_diff_phasor_cc_sptr
;
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DIGITAL_API
digital_diff_phasor_cc_sptr
digital_make_diff_phasor_cc
();
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class
DIGITAL_API
digital_diff_phasor_cc
:
public
gr_sync_block
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{
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friend
DIGITAL_API
digital_diff_phasor_cc_sptr
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digital_make_diff_phasor_cc
();
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digital_diff_phasor_cc
();
//constructor
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public
:
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~
digital_diff_phasor_cc
();
//destructor
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int
work
(
int
noutput_items,
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gr_vector_const_void_star
&input_items,
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gr_vector_void_star
&output_items);
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};
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#endif
gnuradio
gr-digital
include
digital_diff_phasor_cc.h
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