| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // This file is part of INSTINCT, the INS Toolkit for Integrated | ||
| 2 | // Navigation Concepts and Training by the Institute of Navigation of | ||
| 3 | // the University of Stuttgart, Germany. | ||
| 4 | // | ||
| 5 | // This Source Code Form is subject to the terms of the Mozilla Public | ||
| 6 | // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| 7 | // file, You can obtain one at https://mozilla.org/MPL/2.0/. | ||
| 8 | |||
| 9 | /// @file StandardAtmosphere.hpp | ||
| 10 | /// @brief Standard Atmosphere pressure model | ||
| 11 | /// @author T. Topp (topp@ins.uni-stuttgart.de) | ||
| 12 | /// @date 2023-01-31 | ||
| 13 | |||
| 14 | #pragma once | ||
| 15 | |||
| 16 | #include <gcem.hpp> | ||
| 17 | |||
| 18 | namespace NAV | ||
| 19 | { | ||
| 20 | |||
| 21 | /// @brief Calculates the standard atmosphere total pressure | ||
| 22 | /// @param[in] altitudeMSL Geodetic height above MSL (mean sea level) [m] | ||
| 23 | /// @return The total pressure in [hPa] = [mbar] | ||
| 24 | /// @note See \cite RTKLIB RTKLIB ch. E.5, eq. E.5.1, p. 149 | ||
| 25 | 21942 | [[nodiscard]] constexpr double calcTotalPressureStAtm(double altitudeMSL) | |
| 26 | { | ||
| 27 | 21942 | return 1013.25 * gcem::pow(1 - 2.2557e-5 * altitudeMSL, 5.2568); | |
| 28 | } | ||
| 29 | |||
| 30 | } // namespace NAV | ||
| 31 |