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gnss-sdr/src/algorithms/libs/galileo_e5_signal_replica.h
2021-10-02 02:32:18 +02:00

82 lines
2.1 KiB
C++

/*!
* \file galileo_e5_signal_replica.h
* \brief This library implements various functions for Galileo E5 signal
* replica generation
* \author Marc Sales, 2014. marcsales92(at)gmail.com
* \author Piyush Gupta, 2020. piyush04111999@gmail.com
* \note Code added as part of GSoC 2020 Program.
*
*
* -----------------------------------------------------------------------------
*
* 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_GALILEO_E5_SIGNAL_REPLICA_H
#define GNSS_SDR_GALILEO_E5_SIGNAL_REPLICA_H
#include <array>
#include <complex>
#include <cstdint>
#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 Generates Galileo E5a code at 1 sample/chip
*/
void galileo_e5_a_code_gen_complex_primary(own::span<std::complex<float>> dest,
int32_t prn,
const std::array<char, 3>& signal_id);
/*!
* \brief Generates Galileo E5a complex code, shifted to the desired chip and
* sampled at a frequency sampling_freq
*/
void galileo_e5_a_code_gen_complex_sampled(own::span<std::complex<float>> dest,
uint32_t prn,
const std::array<char, 3>& signal_id,
int32_t sampling_freq,
uint32_t chip_shift);
/*!
* \brief Generates Galileo E5b code at 1 sample/chip
*/
void galileo_e5_b_code_gen_complex_primary(own::span<std::complex<float>> dest,
int32_t prn,
const std::array<char, 3>& signal_id);
/*!
* \brief Generates Galileo E5b complex code, shifted to the desired chip and
* sampled at a frequency sampling_freq
*/
void galileo_e5_b_code_gen_complex_sampled(own::span<std::complex<float>> dest,
uint32_t prn,
const std::array<char, 3>& signal_id,
int32_t sampling_freq,
uint32_t chip_shift);
/** \} */
/** \} */
#endif // GNSS_SDR_GALILEO_E5_SIGNAL_REPLICA_H