gr-satnogs/include/satnogs/sine_matched_filter_ff.h

70 lines
2.1 KiB
C++

/* -*- c++ -*- */
/*
* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
*
* Copyright (C) 2016, Libre Space Foundation <http://librespacefoundation.org/>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_SATNOGS_SINE_MATCHED_FILTER_FF_H
#define INCLUDED_SATNOGS_SINE_MATCHED_FILTER_FF_H
#include <satnogs/api.h>
#include <gnuradio/sync_block.h>
namespace gr
{
namespace satnogs
{
/*!
* \brief Matched filter for signals that use sinusoidal transmissions,
* like FSK, AFSK, e.t.c.
*
* \ingroup satnogs
*
*/
class SATNOGS_API sine_matched_filter_ff : virtual public gr::sync_block
{
public:
typedef boost::shared_ptr<sine_matched_filter_ff> sptr;
/*!
* A matched filter that produces the filtered signal or its energy
* @param sampling_rate the sampling rate
* @param sine_freq the frequency of the sine wave
* @param baudrate the Baud-rate (aka symbols-per-second) of the
* telecommunication protocol
* @param compute_energy id set to true the filter computes the energy
* of the filtered signal. Otherwise, the filtered signal itself is
* produced
*/
static sptr
make (double sampling_rate, double sine_freq, double baudrate,
bool compute_energy = false);
virtual void
set_new_freq (double freq) = 0;
virtual void
set_new_freq_locked (double freq) = 0;
};
} // namespace satnogs
} // namespace gr
#endif /* INCLUDED_SATNOGS_SINE_MATCHED_FILTER_FF_H */