70 lines
2.1 KiB
C++
70 lines
2.1 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_SINE_MATCHED_FILTER_FF_H
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#define INCLUDED_SATNOGS_SINE_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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{
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namespace satnogs
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{
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/*!
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* \brief Matched filter for signals that use sinusoidal transmissions,
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* like FSK, AFSK, e.t.c.
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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 sine_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<sine_matched_filter_ff> sptr;
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/*!
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* A matched filter that produces the filtered signal or its energy
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* @param sampling_rate the sampling rate
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* @param sine_freq the frequency of the sine wave
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* @param baudrate the Baud-rate (aka symbols-per-second) of the
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* telecommunication protocol
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* @param compute_energy id set to true the filter computes the energy
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* of the filtered signal. Otherwise, the filtered signal itself is
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* produced
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*/
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static sptr
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make (double sampling_rate, double sine_freq, double baudrate,
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bool compute_energy = false);
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virtual void
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set_new_freq (double freq) = 0;
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virtual void
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set_new_freq_locked (double freq) = 0;
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};
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} // namespace satnogs
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} // namespace gr
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#endif /* INCLUDED_SATNOGS_SINE_MATCHED_FILTER_FF_H */
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