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https://github.com/gnss-sdr/gnss-sdr
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c24710c585
Adding code for navigation message computation for GLONASS GNAV code. Continues to fix the almanac position computation and fixes bugs in code due to compilation errors, coding style and Doxygen documentation
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/*
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* \file glonass_gnav_utc_model.h
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* \brief Interface of a GLONASS GNAV UTC MODEL storage
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* \author Damian Miralles, 2017. dmiralles2009(at).gmail.com
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (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 <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "glonass_gnav_utc_model.h"
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#include <cmath>
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Glonass_Gnav_Utc_Model::Glonass_Gnav_Utc_Model()
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{
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valid = false;
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d_tau_c = 0.0;
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d_tau_gps = 0.0;
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d_N_4 = 0.0;
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d_N_A = 0.0;
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d_B1 = 0.0;
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d_B2 = 0.0;
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}
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double Glonass_Gnav_Utc_Model::utc_time(double glonass_time_corrected)
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{
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double t_utc;
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// GLONASS Time is relative to UTC Moscow, so we simply add its time difference
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t_utc = glonass_time_corrected + 3*3600 + d_tau_c;
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return t_utc;
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}
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