public class SaastamoinenModel extends Object implements TroposphericCorrection
δ = 2.277e-3 / cos z * (P + (1255 / T + 0.05) * e - B * tan2 z) + δRwith the following input data provided to the model:
The model supports custom δR correction terms to be read from a configuration file
(saastamoinen-correction.txt) via the DataProvidersManager
.
Constants used in model are defined as such in the Saastamoinen model article.
ABSOLUTE_ZERO, H0, P0, RH0, T0
Constructor and Description |
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SaastamoinenModel(double tStation,
double pStation,
double rHStation,
double altitude)
Create a new Saastamoinen model for the troposphere using the given
environmental conditions [T, P, RH] and station altitude.
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Modifier and Type | Method and Description |
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double |
calculatePathDelay(double elevation)
Calculates the tropospheric path delay for the signal path from a ground
station to a satellite.
|
double |
computeSignalDelay(double elevation)
Calculates the tropospheric signal delay for the signal path from a
ground station to a satellite.
|
static SaastamoinenModel |
getStandardModel(double altitude)
Create a new Saastamoinen model using a standard atmosphere model.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
computeStandardValues, computeStandardValues
public SaastamoinenModel(double tStation, double pStation, double rHStation, double altitude)
tStation
- the temperature at the station [K]pStation
- the atmospheric pressure at the station [Pa]rHStation
- the relative humidity at the station [percent] (50% -> 0.5)altitude
- the altitude above sea level of the station [m]public static SaastamoinenModel getStandardModel(double altitude)
altitude
- the altitude above the mean sea level of the station [m]public double calculatePathDelay(double elevation)
elevation
- the elevation of the satellite in radianspublic double computeSignalDelay(double elevation)
calculatePathDelay(double)
/Constants.SPEED_OF_LIGHT
computeSignalDelay
in interface TroposphericCorrection
elevation
- the elevation of the satellite in radiansCopyright © 2021 CNES. All rights reserved.