Package org.orekit.estimation.measurements.modifiers

Class AbstractRelativisticClockOnBoardRangeRateModifier<T extends ObservedMeasurement<T>>

java.lang.Object

org.orekit.estimation.measurements.modifiers.AbstractRelativisticClockModifier

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

Type Parameters:

T - type of the measurement

All Implemented Interfaces:

EstimationModifier<T>, ParameterDriversProvider

Direct Known Subclasses:

RelativisticClockInterSatellitesOneWayRangeRateModifier, RelativisticClockOneWayGNSSRangeRateModifier

public abstract class AbstractRelativisticClockOnBoardRangeRateModifier<T extends ObservedMeasurement<T>>
extends AbstractRelativisticClockModifier
implements EstimationModifier<T>

Class modifying theoretical range-rate measurement with relativistic frequency deviation.

Relativistic clock correction is caused by the motion of the satellite as well as the change in the gravitational potential

Since:

12.1

Author:

Luc Maisonobe

See Also:

"Teunissen, Peter, and Oliver Montenbruck, eds. Springer handbook of global navigation satellite systems. Chapter 19.2. Springer, 2017."

Constructor Summary

Constructors

Constructor	Description
AbstractRelativisticClockOnBoardRangeRateModifier(double gm)	Simple constructor.

Method Summary

Modifier and Type	Method	Description
protected double	getGm()	Get gravitational constant for main body in signal path vicinity.
List<ParameterDriver>	getParametersDrivers()	Get the drivers for parameters.
protected void	modifyWithoutDerivatives(EstimatedMeasurementBase<T> estimated, double aLocal, double rLocal, double aRemote, double rRemote)	Apply relativistic frequency deviation.

Methods inherited from class org.orekit.estimation.measurements.modifiers.AbstractRelativisticClockModifier

getScaleFactor, relativisticCorrection

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 Detail

AbstractRelativisticClockOnBoardRangeRateModifier

public AbstractRelativisticClockOnBoardRangeRateModifier(double gm)

Simple constructor.

Parameters:

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

Method Detail

getGm

protected double getGm()

Get gravitational constant for main body in signal path vicinity.

Returns:

gravitational constant for main body in signal path vicinity

getParametersDrivers

public List<ParameterDriver> getParametersDrivers()

Get the drivers for parameters.

Specified by:

getParametersDrivers in interface ParameterDriversProvider

Returns:

drivers for parameters

modifyWithoutDerivatives

protected void modifyWithoutDerivatives(EstimatedMeasurementBase<T> estimated,
                                        double aLocal,
                                        double rLocal,
                                        double aRemote,
                                        double rRemote)

Apply relativistic frequency deviation.

Parameters:

estimated - estimated measurement to modify

aLocal - semi major axis or local (receiver) satellite

rLocal - distance of local (receiver) satellite to central body center

aRemote - semi major axis or remote (transmitter) satellite

rRemote - distance of remote (transmitter) satellite to central body center