org.orekit.estimation.measurements

Class GroundReceiverMeasurement<T extends GroundReceiverMeasurement<T>>

java.lang.Object

org.orekit.estimation.measurements.AbstractMeasurement<T>

org.orekit.estimation.measurements.GroundReceiverMeasurement<T>

Type Parameters:

T - type of the measurement

All Implemented Interfaces:

Comparable<ComparableMeasurement>, ComparableMeasurement, ObservedMeasurement<T>, TimeStamped, ParameterDriversProvider

Direct Known Subclasses:

AngularAzEl, AngularRaDec, BistaticRange, BistaticRangeRate, FDOA, Phase, Range, RangeRate, TDOA, TurnAroundRange

public abstract class GroundReceiverMeasurement<T extends GroundReceiverMeasurement<T>>
extends AbstractMeasurement<T>

Base class modeling a measurement where receiver is a ground station.

Since:

12.0

Author:

Thierry Ceolin, Luc Maisonobe, Maxime Journot

Constructor Summary

Constructors

Constructor and Description
GroundReceiverMeasurement(GroundStation station, boolean twoWay, AbsoluteDate date, double[] observed, double[] sigma, double[] baseWeight, ObservableSatellite satellite) Simple constructor.
GroundReceiverMeasurement(GroundStation station, boolean twoWay, AbsoluteDate date, double observed, double sigma, double baseWeight, ObservableSatellite satellite) Simple constructor.

Method Summary

Modifier and Type	Method and Description
protected GroundReceiverCommonParametersWithDerivatives	computeCommonParametersWithDerivatives(SpacecraftState state) Compute common estimation parameters.
protected GroundReceiverCommonParametersWithoutDerivatives	computeCommonParametersWithout(SpacecraftState state) Compute common estimation parameters.
PVCoordinates	getGroundStationCoordinates(Frame frame) Get the station coordinates for a given frame.
org.hipparchus.geometry.euclidean.threed.Vector3D	getGroundStationPosition(Frame frame) Get the station position for a given frame.
GroundStation	getStation() Get the ground station from which measurement is performed.
boolean	isTwoWay() Check if the instance represents a two-way measurement.

Methods inherited from class org.orekit.estimation.measurements.AbstractMeasurement

addModifier, addParameterDriver, estimate, estimateWithoutDerivatives, getBaseWeight, getCoordinates, getDate, getDimension, getModifiers, getObservedValue, getParametersDrivers, getSatellites, getTheoreticalStandardDeviation, isEnabled, setEnabled, signalTimeOfFlight, signalTimeOfFlight, theoreticalEvaluation, theoreticalEvaluationWithoutDerivatives

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.ObservedMeasurement

getMeasurementType

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

compareTo

Methods inherited from interface org.orekit.time.TimeStamped

durationFrom

Methods inherited from interface org.orekit.utils.ParameterDriversProvider

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

Constructor Detail

GroundReceiverMeasurement

public GroundReceiverMeasurement(GroundStation station,
                                 boolean twoWay,
                                 AbsoluteDate date,
                                 double observed,
                                 double sigma,
                                 double baseWeight,
                                 ObservableSatellite satellite)

Simple constructor.

Parameters:

station - ground station from which measurement is performed

twoWay - flag indicating whether it is a two-way measurement

date - date of the measurement

observed - observed value

sigma - theoretical standard deviation

baseWeight - base weight

satellite - satellite related to this measurement

GroundReceiverMeasurement

public GroundReceiverMeasurement(GroundStation station,
                                 boolean twoWay,
                                 AbsoluteDate date,
                                 double[] observed,
                                 double[] sigma,
                                 double[] baseWeight,
                                 ObservableSatellite satellite)

Simple constructor.

Parameters:

station - ground station from which measurement is performed

twoWay - flag indicating whether it is a two-way measurement

date - date of the measurement

observed - observed value

sigma - theoretical standard deviation

baseWeight - base weight

satellite - satellite related to this measurement

Method Detail

getStation

public GroundStation getStation()

Get the ground station from which measurement is performed.

Returns:

ground station from which measurement is performed

isTwoWay

public boolean isTwoWay()

Check if the instance represents a two-way measurement.

Returns:

true if the instance represents a two-way measurement

computeCommonParametersWithout

protected GroundReceiverCommonParametersWithoutDerivatives computeCommonParametersWithout(SpacecraftState state)

Compute common estimation parameters.

Parameters:

state - orbital state at measurement date

Returns:

common parameters

computeCommonParametersWithDerivatives

protected GroundReceiverCommonParametersWithDerivatives computeCommonParametersWithDerivatives(SpacecraftState state)

Compute common estimation parameters.

Parameters:

state - orbital state at measurement date

Returns:

common parameters

getGroundStationPosition

public org.hipparchus.geometry.euclidean.threed.Vector3D getGroundStationPosition(Frame frame)

Get the station position for a given frame.

Parameters:

frame - inertial frame for station position

Returns:

the station position in the given inertial frame

Since:

12.0

getGroundStationCoordinates

public PVCoordinates getGroundStationCoordinates(Frame frame)

Get the station coordinates for a given frame.

Parameters:

frame - inertial frame for station position

Returns:

the station coordinates in the given inertial frame

Since:

12.0