Package org.orekit.models.earth.troposphere

Class MariniMurray

java.lang.Object

org.orekit.models.earth.troposphere.MariniMurray

All Implemented Interfaces:

TroposphericModel, ParameterDriversProvider

public class MariniMurray
extends Object
implements TroposphericModel

The Marini-Murray tropospheric delay model for laser ranging.

Since:

12.1

Author:

Joris Olympio, Luc Maisonobe

See Also:

• "Marini, J.W., and C.W. Murray, correction of Laser Range Tracking Data for Atmospheric Refraction at Elevations Above 10 degrees, X-591-73-351, NASA GSFC, 1973"

Constructor Summary

Constructors

Constructor	Description
MariniMurray(double lambda, Unit lambdaUnits, PressureTemperatureHumidityProvider pthProvider)	Create a new Marini-Murray model for the troposphere.

Method Summary

Modifier and Type	Method	Description
List<ParameterDriver>	getParametersDrivers()	Get the drivers for parameters.
<T extends CalculusFieldElement<T>> FieldTroposphericDelay<T>	pathDelay(FieldTrackingCoordinates<T> trackingCoordinates, FieldGeodeticPoint<T> point, T[] parameters, FieldAbsoluteDate<T> date)	Calculates the tropospheric path delay for the signal path from a ground station to a satellite.
TroposphericDelay	pathDelay(TrackingCoordinates trackingCoordinates, GeodeticPoint point, double[] parameters, AbsoluteDate date)	Calculates the tropospheric path delay for the signal path from a ground station to a satellite.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.orekit.utils.ParameterDriversProvider

getNbParametersDriversValue, getParameterDriver, getParameters, getParameters, getParameters, getParameters, getParametersAllValues, getParametersAllValues, isSupported

Constructor Details

MariniMurray

public MariniMurray(double lambda,
 Unit lambdaUnits,
 PressureTemperatureHumidityProvider pthProvider)

Create a new Marini-Murray model for the troposphere.

Parameters:

lambda - laser wavelength

lambdaUnits - units in which lambda is given

pthProvider - provider for pressure, temperature and humidity

Since:

12.1

See Also:

• TroposphericModelUtils.MICRO_M
• TroposphericModelUtils.NANO_M

Method Details

pathDelay

public TroposphericDelay pathDelay(TrackingCoordinates trackingCoordinates,
 GeodeticPoint point,
 double[] parameters,
 AbsoluteDate date)

Calculates the tropospheric path delay for the signal path from a ground station to a satellite.

Specified by:

pathDelay in interface TroposphericModel

Parameters:

trackingCoordinates - tracking coordinates of the satellite

point - station location

parameters - tropospheric model parameters

date - current date

Returns:

the path delay due to the troposphere

pathDelay

public <T extends CalculusFieldElement<T>>
FieldTroposphericDelay<T> pathDelay(FieldTrackingCoordinates<T> trackingCoordinates,
 FieldGeodeticPoint<T> point,
 T[] parameters,
 FieldAbsoluteDate<T> date)

Calculates the tropospheric path delay for the signal path from a ground station to a satellite.

Specified by:

pathDelay in interface TroposphericModel

Type Parameters:

T - type of the elements

Parameters:

trackingCoordinates - tracking coordinates of the satellite

point - station location

parameters - tropospheric model parameters at current date

date - current date

Returns:

the path delay due to the troposphere

getParametersDrivers

public List<ParameterDriver> getParametersDrivers()

Get the drivers for parameters.

Specified by:

getParametersDrivers in interface ParameterDriversProvider

Returns:

drivers for parameters