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

Modifier	Constructor	Description
protected	AbstractRelativisticClockOnBoardRangeRateModifier(double gm)	Simple constructor.

Method Summary

Modifier and Type	Method	Description
String	getEffectName()	Get the name of the effect modifying the measurement.
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 Details

AbstractRelativisticClockOnBoardRangeRateModifier

protected AbstractRelativisticClockOnBoardRangeRateModifier(double gm)

Simple constructor.

Parameters:

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

Method Details

getEffectName

public String getEffectName()

Get the name of the effect modifying the measurement.

Specified by:

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

Overrides:

getEffectName in class AbstractRelativisticClockModifier

Returns:

name of the effect modifying the measurement

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