mirror of https://github.com/gnss-sdr/gnss-sdr
48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*!
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* \file tracking_discriminators.h
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* \brief Library with a set of code tracking and carrier tracking disctiminators
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* \author Javier Arribas, 2011. jarribas(at)cttc.es
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*
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* Library with a set of code tracking and carrier tracking disctiminators that is used by the tracking algorithms
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2011 (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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#ifndef TRACKING_DISCRIMINATORS_H_
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#define TRACKING_DISCRIMINATORS_H_
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#include <gnuradio/gr_complex.h>
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float fll_four_quadrant_atan(gr_complex prompt_s1, gr_complex prompt_s2,float t1, float t2);
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float pll_four_quadrant_atan(gr_complex prompt_s1);
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float pll_cloop_two_quadrant_atan(gr_complex prompt_s1);
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float dll_nc_e_minus_l_normalized(gr_complex early_s1, gr_complex late_s1);
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#endif
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