Functions.hpp

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// This file is part of INSTINCT, the INS Toolkit for Integrated
// Navigation Concepts and Training by the Institute of Navigation of
// the University of Stuttgart, Germany.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
 
#pragma once
 
#include <Eigen/Core>
#include "Navigation/GNSS/Core/Frequency.hpp"
#include "Navigation/Time/InsTime.hpp"
 
namespace NAV
{
 
[[nodiscard]] Eigen::Vector3d e_calcLineOfSightUnitVector(const Eigen::Vector3d& e_posAnt, const Eigen::Vector3d& e_posSat);
 
[[nodiscard]] double calcSatElevation(const Eigen::Vector3d& n_lineOfSightUnitVector);
 
[[nodiscard]] double calcSatAzimuth(const Eigen::Vector3d& n_lineOfSightUnitVector);
 
[[nodiscard]] double calcSagnacCorrection(const Eigen::Vector3d& e_posAnt, const Eigen::Vector3d& e_satPos);
 
[[nodiscard]] double calcSagnacRateCorrection(const Eigen::Vector3d& e_posAnt, const Eigen::Vector3d& e_satPos, const Eigen::Vector3d& e_velAnt, const Eigen::Vector3d& e_satVel);
 
[[nodiscard]] double doppler2rangeRate(double doppler, Frequency freq, int8_t num);
 
[[nodiscard]] double rangeRate2doppler(double rangeRate, Frequency freq, int8_t num);
 
[[nodiscard]] double ratioFreqSquared(Frequency f1, Frequency f2, int8_t num1, int8_t num2);
 
[[nodiscard]] uint8_t galSisaVal2Idx(double val);
 
[[nodiscard]] double galSisaIdx2Val(uint8_t idx);
 
[[nodiscard]] uint8_t gpsUraVal2Idx(double val);
 
[[nodiscard]] double gpsUraIdx2Val(uint8_t idx);
 
} // namespace NAV