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 |
|
|
#include "Saastamoinen.hpp" |
10 |
|
|
|
11 |
|
|
#include <cmath> |
12 |
|
|
#include "util/Logger.hpp" |
13 |
|
|
|
14 |
|
|
namespace NAV |
15 |
|
|
{ |
16 |
|
|
|
17 |
|
21942 |
double calcZHD_Saastamoinen(const Eigen::Vector3d& lla_pos, double p) |
18 |
|
|
{ |
19 |
|
21942 |
const double& lat = lla_pos(0); // Latitude in [rad] |
20 |
|
21942 |
const double& alt = lla_pos(2); // Altitude/Height in [m] |
21 |
|
|
|
22 |
|
|
// Zenith hydrostatic delay [m] - Davis, Appendix A, eq. A11, p. 1604 |
23 |
|
21942 |
double ZHD = 0.0022768 * p / (1 - 0.00266 * std::cos(2 * lat) - 0.00028 * alt * 1e-3); |
24 |
|
|
LOG_DATA("ZHD {} [m] (Zenith hydrostatic delay)", ZHD); |
25 |
|
|
|
26 |
|
21942 |
return ZHD; |
27 |
|
|
} |
28 |
|
|
|
29 |
|
21942 |
double calcZWD_Saastamoinen(double T, double e) |
30 |
|
|
{ |
31 |
|
|
// Zenith wet delay [m] |
32 |
|
21942 |
double ZWD = 0.002277 * (1255.0 / T + 0.05) * e; |
33 |
|
|
LOG_DATA("ZWD {} [m] (Zenith wet delay)", ZWD); |
34 |
|
|
|
35 |
|
21942 |
return ZWD; |
36 |
|
|
} |
37 |
|
|
|
38 |
|
|
} // namespace NAV |
39 |
|
|
|