mirror of https://github.com/gnss-sdr/gnss-sdr
61 lines
2.8 KiB
C++
61 lines
2.8 KiB
C++
/*!
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* \file Beidou_B3I.h
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* \brief Defines system parameters for BeiDou B3I signal and DNAV data
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* \author Damian Miralles, 2019. dmiralles2009@gmail.com
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR 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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* GNSS-SDR 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 GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_BEIDOU_B3I_H_
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#define GNSS_SDR_BEIDOU_B3I_H_
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#include "MATH_CONSTANTS.h"
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#include <cstdint>
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#include <string>
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// carrier and code frequencies
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const double BEIDOU_B3I_FREQ_HZ = 1.268520e9; //!< BeiDou B3I [Hz]
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const double BEIDOU_B3I_CODE_RATE_CPS = 10.23e6; //!< BeiDou B3I code rate [chips/s]
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const double BEIDOU_B3I_CODE_LENGTH_CHIPS = 10230.0; //!< BeiDou B3I code length [chips]
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const double BEIDOU_B3I_CODE_PERIOD_S = 0.001; //!< BeiDou B3I code period [seconds]
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const uint32_t BEIDOU_B3I_CODE_PERIOD_MS = 1; //!< BeiDou B3I code period [ms]
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const int32_t BEIDOU_B3I_SECONDARY_CODE_LENGTH = 20;
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const std::string BEIDOU_B3I_SECONDARY_CODE_STR = "00000100110101001110";
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const std::string BEIDOU_B3I_GEO_PREAMBLE_SYMBOLS_STR = {"1111110000001100001100"};
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const int32_t BEIDOU_B3I_GEO_PREAMBLE_LENGTH_SYMBOLS = 22;
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const std::string BEIDOU_B3I_D2_SECONDARY_CODE_STR = "00";
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const uint32_t BEIDOU_B3I_PREAMBLE_LENGTH_BITS = 11;
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const uint32_t BEIDOU_B3I_PREAMBLE_LENGTH_SYMBOLS = 220; // **************
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const double BEIDOU_B3I_PREAMBLE_DURATION_S = 0.220;
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const int32_t BEIDOU_B3I_PREAMBLE_DURATION_MS = 220;
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const int32_t BEIDOU_B3I_TELEMETRY_RATE_BITS_SECOND = 50; //!< D1 NAV message bit rate [bits/s]
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const int32_t BEIDOU_B3I_TELEMETRY_SYMBOLS_PER_BIT = 20;
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const int32_t BEIDOU_B3I_GEO_TELEMETRY_SYMBOLS_PER_BIT = 2; // *************
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const int32_t BEIDOU_B3I_TELEMETRY_SYMBOL_PERIOD_MS = BEIDOU_B3I_TELEMETRY_SYMBOLS_PER_BIT * BEIDOU_B3I_CODE_PERIOD_MS;
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const int32_t BEIDOU_B3I_TELEMETRY_RATE_SYMBOLS_SECOND = BEIDOU_B3I_TELEMETRY_RATE_BITS_SECOND * BEIDOU_B3I_TELEMETRY_SYMBOLS_PER_BIT;
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#endif // GNSS_SDR_BEIDOU_B3I_H_
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