Package org.orekit.estimation.measurements

Interface MeasurementParticipant

All Superinterfaces:

ParameterDriversProvider

All Known Subinterfaces:

Observer

All Known Implementing Classes:

AbstractParticipant, 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 String	ACCELERATION_SUFFIX	Suffix for ground clock drift parameters name.
static String	BIAS_SUFFIX	Suffix for clock bias (a.k.a. systematic offset) parameters name.
static String	DRIFT_SUFFIX	Suffix for ground clock drift parameters name.
static String	OFFSET_SUFFIX	Suffix for ground station position parameters names.

Method Summary

Modifier and Type	Method	Description
default ParameterDriver	getClockAccelerationDriver()	Get the clock acceleration driver.
default ParameterDriver	getClockBiasDriver()	Get the clock bias (a.k.a. systematic offset) driver.
default ParameterDriver	getClockDriftDriver()	Get the clock drift driver.
default Gradient	getFieldOffsetRate(int freeParameters, AbsoluteDate date, Map<String,Integer> indices)	Get the current gradient clock drift as a function of time.
default Gradient	getFieldOffsetValue(int freeParameters, AbsoluteDate date, Map<String,Integer> indices)	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.
QuadraticClockModel	getQuadraticClockModel()	Get a quadratic clock model valid at some date.
default QuadraticFieldClockModel<Gradient>	getQuadraticFieldClock(int freeParameters, AbsoluteDate date, Map<String,Integer> indices)	Get Gradient clock model.

Methods inherited from interface org.orekit.utils.ParameterDriversProvider

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

Field Detail

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 Detail

getName

String getName()

Get the MeasurementObject name.

Returns:

name for the object

getClockBiasDriver

default ParameterDriver getClockBiasDriver()

Get the clock bias (a.k.a. systematic offset) driver.

Returns:

clock bias driver

getClockDriftDriver

default ParameterDriver getClockDriftDriver()

Get the clock drift driver.

Returns:

clock drift driver

getClockAccelerationDriver

default ParameterDriver getClockAccelerationDriver()

Get the clock acceleration driver.

Returns:

clock acceleration driver

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,
                                     AbsoluteDate date,
                                     Map<String,Integer> indices)

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

Parameters:

freeParameters - total number of free parameters in the gradient

date - time of computations

indices - indices of the differentiation parameters in derivatives computations

Returns:

current gradient clock offset value

getFieldOffsetRate

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

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

Parameters:

freeParameters - total number of free parameters in the gradient

date - time of computations

indices - indices of the differentiation parameters in derivatives computations

Returns:

current gradient clock drift value

getQuadraticClockModel

QuadraticClockModel getQuadraticClockModel()

Get a quadratic clock model valid at some date.

Returns:

quadratic clock model

getQuadraticFieldClock

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

Get Gradient clock model.

Parameters:

freeParameters - total number of free parameters in the gradient

date - time of computations

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

Returns:

clock provider