mirror of https://github.com/gnss-sdr/gnss-sdr
82 lines
2.7 KiB
Matlab
82 lines
2.7 KiB
Matlab
% /*!
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% * \file gps_l1_ca_pvt_plot_sample.m
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% * \brief Read GNSS-SDR PVT dump binary file using the provided
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% function and plot some internal variables
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% * \author Javier Arribas, 2011. jarribas(at)cttc.es
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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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close all;
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clear all;
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% True position of the antenna in UTM system (if known). Otherwise enter
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% all NaN's and mean position will be used as a reference .
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settings.truePosition.E = nan;
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settings.truePosition.N = nan;
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settings.truePosition.U = nan;
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settings.navSolPeriod=100; %[ms]
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filename='/home/javier/workspace/gnss-sdr/trunk/install/PVT.dat';
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navSolutions = gps_l1_ca_pvt_read_pvt_dump (filename);
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% Reference position for Agilent cap2.dat (San Francisco static scenario)
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% Scenario latitude is 37.8194388888889 N37 49 9.98
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% Scenario longitude is -122.4784944 W122 28 42.58
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% Scenario elevation is 35 meters.
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lat=[37 49 9.98];
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long=[-122 -28 -42.58];
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lat_deg=dms2deg(lat);
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long_deg=dms2deg(long);
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h=35;
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%Choices i of Reference Ellipsoid
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% 1. International Ellipsoid 1924
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% 2. International Ellipsoid 1967
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% 3. World Geodetic System 1972
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% 4. Geodetic Reference System 1980
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% 5. World Geodetic System 1984
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[X, Y, Z]=geo2cart(lat, long, h, 5); % geographical to cartesian conversion
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%=== Convert to UTM coordinate system =============================
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utmZone = findUtmZone(lat_deg, long_deg);
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[settings.truePosition.E, ...
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settings.truePosition.N, ...
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settings.truePosition.U] = cart2utm(X, Y, Z, utmZone);
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for k=1:1:length(navSolutions.X)
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[navSolutions.E(k), ...
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navSolutions.N(k), ...
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navSolutions.U(k)]=cart2utm(navSolutions.X(k), navSolutions.Y(k), navSolutions.Z(k), utmZone);
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end
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plot_skyplot=0;
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plotNavigation(navSolutions,settings,plot_skyplot);
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