Package org.orekit.estimation.measurements.modifiers

Class AbstractShapiroBaseModifier<T extends ObservedMeasurement<T>>

java.lang.Object

org.orekit.estimation.measurements.modifiers.AbstractShapiroBaseModifier<T>

Type Parameters:

T - type of the measurements

All Implemented Interfaces:

EstimationModifier<T>, ParameterDriversProvider

Direct Known Subclasses:

AbstractShapiroPhaseModifier, AbstractShapiroRangeModifier

public abstract class AbstractShapiroBaseModifier<T extends ObservedMeasurement<T>>
extends Object
implements EstimationModifier<T>

Class modifying theoretical range measurement with Shapiro time delay.

Shapiro time delay is a relativistic effect due to gravity.

Since:

10.0

Author:

Luc Maisonobe

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractShapiroBaseModifier(double gm)	Simple constructor from gravitational constant.
protected	AbstractShapiroBaseModifier(ShapiroModel shapiroModel)	Simple constructor from Shapiro delay computer.

Method Summary

Modifier and Type	Method	Description
String	getEffectName()	Get the name of the effect modifying the measurement.
List<ParameterDriver>	getParametersDrivers()	Get the drivers for parameters.
protected double	shapiroCorrection(Vector3D positionEmitter, Vector3D positionReceiver)	Compute Shapiro path dilation between two points in a gravity field.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.orekit.estimation.measurements.EstimationModifier

modify, modifyWithoutDerivatives

Methods inherited from interface org.orekit.utils.ParameterDriversProvider

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

Constructor Details

AbstractShapiroBaseModifier

protected AbstractShapiroBaseModifier(double gm)

Simple constructor from gravitational constant.

Parameters:

gm - gravitational constant for main body in signal path vicinity.

AbstractShapiroBaseModifier

protected AbstractShapiroBaseModifier(ShapiroModel shapiroModel)

Simple constructor from Shapiro delay computer.

Parameters:

shapiroModel - Shapiro delay computer

Since:

14.0

Method Details

getParametersDrivers

public List<ParameterDriver> getParametersDrivers()

Get the drivers for parameters.

Specified by:

getParametersDrivers in interface ParameterDriversProvider

Returns:

drivers for parameters

getEffectName

public String getEffectName()

Get the name of the effect modifying the measurement.

Specified by:

getEffectName in interface EstimationModifier<T extends ObservedMeasurement<T>>

Returns:

name of the effect modifying the measurement

Since:

13.0

shapiroCorrection

protected double shapiroCorrection(Vector3D positionEmitter,
 Vector3D positionReceiver)

Compute Shapiro path dilation between two points in a gravity field.

Parameters:

positionEmitter - position of emitter in body-centered frame

positionReceiver - position of receiver in body-centered frame

Returns:

path dilation to add to raw measurement