Package org.orekit.estimation.measurements

Interface MeasurementParticipant

All Superinterfaces:

ParameterDriversProvider

All Known Subinterfaces:

GroundObserver, Observer

All Known Implementing Classes:

AbstractParticipant, EarthBasedStation, GroundStation, ObservableSatellite, ObserverSatellite

public interface MeasurementParticipant
extends ParameterDriversProvider

Interface underlying both observed and observing measurement objects. Contains the clock model.

Since:

14.0

Author:

Brianna Aubin

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ACCELERATION_SUFFIX	Suffix for ground clock drift parameters name.
static final String	BIAS_SUFFIX	Suffix for clock bias (a.k.a. systematic offset) parameters name.
static final String	DRIFT_SUFFIX	Suffix for ground clock drift parameters name.
static final String	OFFSET_SUFFIX	Suffix for ground station position parameters names.

Method Summary

Modifier and Type	Method	Description
ClockModel	getClockModel()	Get a clock model valid at some date.
default FieldClockModel<Gradient>	getFieldClockModel(int freeParameters, Map<String,Integer> indices, AbsoluteDate date)	Get Gradient clock model.
default Gradient	getFieldOffsetRate(int freeParameters, Map<String,Integer> indices, AbsoluteDate date)	Get the current gradient clock drift as a function of time.
default Gradient	getFieldOffsetValue(int freeParameters, Map<String,Integer> indices, AbsoluteDate date)	Get the current gradient clock offset as a function of time.
String	getName()	Get the MeasurementObject name.
default double	getOffsetRate(AbsoluteDate date)	Get the current clock drift as a function of time.
default double	getOffsetValue(AbsoluteDate date)	Get the current clock offset as a function of time.

Methods inherited from interface org.orekit.utils.ParameterDriversProvider

getNbParametersDriversValue, getParameterDriver, getParameterDriverWithSubstring, getParameters, getParameters, getParameters, getParameters, getParametersAllValues, getParametersAllValues, getParametersDrivers, isSupported

Field Details

OFFSET_SUFFIX

static final String OFFSET_SUFFIX

Suffix for ground station position parameters names.

See Also:

• Constant Field Values

BIAS_SUFFIX

static final String BIAS_SUFFIX

Suffix for clock bias (a.k.a. systematic offset) parameters name.

See Also:

• Constant Field Values

DRIFT_SUFFIX

static final String DRIFT_SUFFIX

Suffix for ground clock drift parameters name.

See Also:

• Constant Field Values

ACCELERATION_SUFFIX

static final String ACCELERATION_SUFFIX

Suffix for ground clock drift parameters name.

See Also:

• Constant Field Values

Method Details

getName

String getName()

Get the MeasurementObject name.

Returns:

name for the object

getClockModel

ClockModel getClockModel()

Get a clock model valid at some date.

Returns:

clock model

getOffsetValue

default double getOffsetValue(AbsoluteDate date)

Get the current clock offset as a function of time.

Parameters:

date - time of computations

Returns:

current clock offset value

getOffsetRate

default double getOffsetRate(AbsoluteDate date)

Get the current clock drift as a function of time.

Parameters:

date - time of computations

Returns:

current clock drift value

getFieldOffsetValue

default Gradient getFieldOffsetValue(int freeParameters,
 Map<String,Integer> indices,
 AbsoluteDate date)

Get the current gradient clock offset as a function of time.

Parameters:

freeParameters - total number of free parameters in the gradient

indices - indices of the differentiation parameters in derivatives computations

date - time of computations

Returns:

current gradient clock offset value

getFieldOffsetRate

default Gradient getFieldOffsetRate(int freeParameters,
 Map<String,Integer> indices,
 AbsoluteDate date)

Get the current gradient clock drift as a function of time.

Parameters:

freeParameters - total number of free parameters in the gradient

indices - indices of the differentiation parameters in derivatives computations

date - time of computations

Returns:

current gradient clock drift value

getFieldClockModel

default FieldClockModel<Gradient> getFieldClockModel(int freeParameters,
 Map<String,Integer> indices,
 AbsoluteDate date)

Get Gradient clock model.

Parameters:

freeParameters - total number of free parameters in the gradient

indices - indices of the differentiation parameters in derivatives computations, must be span name and not driver name

date - time of computations

Returns:

clock gradient