Package org.orekit.estimation.measurements.model

Class OneLegRangeRateModel

java.lang.Object

org.orekit.estimation.measurements.model.OneLegRangeRateModel

public class OneLegRangeRateModel
extends Object

Class for one-leg range rate (a.k.a. Doppler measurement). A signal is transmitted and received. There is no further assumption.

Since:

14.0

Author:

Romain Serra

Constructor Summary

Constructors

Constructor	Description
OneLegRangeRateModel(SignalTravelTimeModel signalTravelTimeModel)	Constructor.

Method Summary

Modifier and Type	Method	Description
<T extends CalculusFieldElement<T>> T	value(Frame frame, FieldPVCoordinates<T> receiverPV, FieldAbsoluteDate<T> receptionDate, FieldPVCoordinatesProvider<T> emitter)	Compute measurement without guess.
<T extends CalculusFieldElement<T>> T	value(Frame frame, FieldPVCoordinates<T> receiverPV, FieldAbsoluteDate<T> receptionDate, FieldPVCoordinatesProvider<T> emitter, FieldAbsoluteDate<T> approxEmissionDate)	Compute measurement.
double	value(Frame frame, PVCoordinates receiverPV, AbsoluteDate receptionDate, PVCoordinatesProvider emitter)	Compute measurement without guess.
double	value(Frame frame, PVCoordinates receiverPV, AbsoluteDate receptionDate, PVCoordinatesProvider emitter, AbsoluteDate approxEmissionDate)	Compute measurement.

Methods inherited from class java.lang.Object

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

Constructor Detail

OneLegRangeRateModel

public OneLegRangeRateModel(SignalTravelTimeModel signalTravelTimeModel)

Constructor.

Parameters:

signalTravelTimeModel - signal travel time model

Method Detail

value

public double value(Frame frame,
                    PVCoordinates receiverPV,
                    AbsoluteDate receptionDate,
                    PVCoordinatesProvider emitter)

Compute measurement without guess.

Parameters:

frame - frame where position is given

receiverPV - receiver position-velocity (at reception)

receptionDate - signal reception date

emitter - signal initial emitter coordinates provider

Returns:

ranges on both legs in chronological order (m)

value

public double value(Frame frame,
                    PVCoordinates receiverPV,
                    AbsoluteDate receptionDate,
                    PVCoordinatesProvider emitter,
                    AbsoluteDate approxEmissionDate)

Compute measurement.

Parameters:

frame - frame where position is given

receiverPV - receiver position-velocity (at reception)

receptionDate - signal reception date

emitter - signal initial emitter coordinates provider

approxEmissionDate - guess for the emission date

Returns:

ranges on both legs in chronological order (m)

value

public <T extends CalculusFieldElement<T>> T value(Frame frame,
                                                   FieldPVCoordinates<T> receiverPV,
                                                   FieldAbsoluteDate<T> receptionDate,
                                                   FieldPVCoordinatesProvider<T> emitter)

Compute measurement without guess.

Type Parameters:

T - field type

Parameters:

frame - frame where position is given

receiverPV - receiver position and velocity (at reception)

receptionDate - signal reception date

emitter - signal initial emitter coordinates provider

Returns:

range rate (m/s)

value

public <T extends CalculusFieldElement<T>> T value(Frame frame,
                                                   FieldPVCoordinates<T> receiverPV,
                                                   FieldAbsoluteDate<T> receptionDate,
                                                   FieldPVCoordinatesProvider<T> emitter,
                                                   FieldAbsoluteDate<T> approxEmissionDate)

Compute measurement.

Type Parameters:

T - field type

Parameters:

frame - frame where position is given

receiverPV - receiver position and velocity (at reception)

receptionDate - signal reception date

emitter - signal initial emitter coordinates provider

approxEmissionDate - guess for the emission date

Returns:

range rate (m/s)