Package org.orekit.estimation.measurements.modifiers

Class AbstractShapiroBaseModifier

java.lang.Object

org.orekit.estimation.measurements.modifiers.AbstractShapiroBaseModifier

Direct Known Subclasses:

ShapiroInterSatellitePhaseModifier, ShapiroInterSatelliteRangeModifier, ShapiroOneWayGNSSPhaseModifier, ShapiroOneWayGNSSRangeModifier, ShapiroPhaseModifier, ShapiroRangeModifier

public class AbstractShapiroBaseModifier
extends Object

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

Constructor	Description
AbstractShapiroBaseModifier(double gm)	Simple constructor.

Method Summary

Modifier and Type	Method	Description
protected void	doModify(EstimatedMeasurementBase<?> estimated)	Modify measurement.
protected double	shapiroCorrection(TimeStampedPVCoordinates pvEmitter, TimeStampedPVCoordinates pvReceiver)	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

Constructor Detail

AbstractShapiroBaseModifier

public AbstractShapiroBaseModifier(double gm)

Simple constructor.

Parameters:

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

Method Detail

doModify

protected void doModify(EstimatedMeasurementBase<?> estimated)

Modify measurement.

Parameters:

estimated - measurement to modify

shapiroCorrection

protected double shapiroCorrection(TimeStampedPVCoordinates pvEmitter,
                                   TimeStampedPVCoordinates pvReceiver)

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

Parameters:

pvEmitter - coordinates of emitter in body-centered frame

pvReceiver - coordinates of receiver in body-centered frame

Returns:

path dilation to add to raw measurement