mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-10-30 22:56:22 +00:00
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/*!
|
|
* \file gnss_signal_replica.h
|
|
* \brief This library gathers a few functions used for GNSS signal replica
|
|
* generation regardless of system used
|
|
* \author Luis Esteve, 2012. luis(at)epsilon-formacion.com
|
|
*
|
|
*
|
|
* -----------------------------------------------------------------------------
|
|
*
|
|
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
|
|
* This file is part of GNSS-SDR.
|
|
*
|
|
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
|
|
* SPDX-License-Identifier: GPL-3.0-or-later
|
|
*
|
|
* -----------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef GNSS_SDR_GNSS_SIGNAL_REPLICA_H
|
|
#define GNSS_SDR_GNSS_SIGNAL_REPLICA_H
|
|
|
|
#include <complex>
|
|
#include <cstdint>
|
|
#include <string>
|
|
#if HAS_STD_SPAN
|
|
#include <span>
|
|
namespace own = std;
|
|
#else
|
|
#include <gsl/gsl-lite.hpp>
|
|
namespace own = gsl;
|
|
#endif
|
|
|
|
/** \addtogroup Algorithms_Library
|
|
* \{ */
|
|
/** \addtogroup Algorithm_libs algorithms_libs
|
|
* \{ */
|
|
|
|
|
|
/*!
|
|
* \brief This function generates a complex exponential in dest.
|
|
*
|
|
*/
|
|
void complex_exp_gen(own::span<std::complex<float>> dest, double freq, double sampling_freq);
|
|
|
|
/*!
|
|
* \brief This function generates a conjugate complex exponential in dest.
|
|
*
|
|
*/
|
|
void complex_exp_gen_conj(own::span<std::complex<float>> dest, double freq, double sampling_freq);
|
|
|
|
/*!
|
|
* \brief This function makes a conversion from hex (the input is a char)
|
|
* to binary (the output are 4 ints with +1 or -1 values).
|
|
*
|
|
*/
|
|
void hex_to_binary_converter(own::span<int32_t> dest, char from);
|
|
|
|
/*!
|
|
* \brief This function makes a conversion from hex (the input is a char)
|
|
* to binary (the output is a string of 4 char with 0 or 1 values).
|
|
*
|
|
*/
|
|
std::string hex_to_binary_string(char from);
|
|
|
|
/*!
|
|
* \brief This function resamples a sequence of float values.
|
|
*
|
|
*/
|
|
void resampler(const own::span<float> from, own::span<float> dest,
|
|
float fs_in, float fs_out);
|
|
|
|
/*!
|
|
* \brief This function resamples a sequence of complex values.
|
|
*
|
|
*/
|
|
void resampler(own::span<const std::complex<float>> from, own::span<std::complex<float>> dest,
|
|
float fs_in, float fs_out);
|
|
|
|
|
|
/** \} */
|
|
/** \} */
|
|
#endif // GNSS_SDR_GNSS_SIGNAL_REPLICA_H
|