58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/* -*- c++ -*- */
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/*
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* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
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*
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* Copyright (C) 2016, Libre Space Foundation <http://librespacefoundation.org/>
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*
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* This program 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 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_SATNOGS_CW_MATCHED_FILTER_FF_H
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#define INCLUDED_SATNOGS_CW_MATCHED_FILTER_FF_H
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#include <satnogs/api.h>
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#include <gnuradio/sync_block.h>
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namespace gr {
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namespace satnogs {
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/*!
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* \brief This block implements a matched filter to reduce the noise
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* level of the received CW signal.
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*
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* \ingroup satnogs
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*
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*/
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class SATNOGS_API cw_matched_filter_ff : virtual public gr::sync_block
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{
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public:
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typedef boost::shared_ptr<cw_matched_filter_ff> sptr;
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/*!
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* \brief Matched filter for CW noise reduction
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*
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* @param sampling_rate the sampling rate of the signal
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* @param carrier_freq the audio frequency of the CW signal
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* @param wpm Morse code Words per Minute
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*/
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static sptr make(double sampling_rate, double carrier_freq = 500,
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size_t wpm = 20);
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};
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} // namespace satnogs
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} // namespace gr
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#endif /* INCLUDED_SATNOGS_CW_MATCHED_FILTER_FF_H */
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