org.orekit.estimation.measurements.gnss

Class Phase

java.lang.Object

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

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

org.orekit.estimation.measurements.gnss.Phase

All Implemented Interfaces:

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

public class Phase
extends GroundReceiverMeasurement<Phase>

表示地面站的相位测量的类建模。

该测量被认为是从航天器发射并在地面站接收的信号。其值是发射和接收之间的循环次数。在信号飞行时间内考虑了地面站和航天器的运动。测量的日期对应于接收到发射信号的地面。

Since:

9.2

Author:

Thierry Ceolin, Luc Maisonobe, Maxime Journot

Field Summary

Fields

Modifier and Type	Field and Description
static String	AMBIGUITY_NAME 歧义驱动器的名称。
static String	MEASUREMENT_TYPE 测量的类型。

Constructor Summary

Constructors

Constructor and Description
Phase(GroundStation station, AbsoluteDate date, double phase, double wavelength, double sigma, double baseWeight, ObservableSatellite satellite) 简单构造函数。

Method Summary

Modifier and Type	Method and Description
ParameterDriver	getAmbiguityDriver() 获取相位歧义的驱动器。
double	getWavelength() 获取波长。
protected EstimatedMeasurement<Phase>	theoreticalEvaluation(int iteration, int evaluation, SpacecraftState[] states) 估算理论值。
protected EstimatedMeasurementBase<Phase>	theoreticalEvaluationWithoutDerivatives(int iteration, int evaluation, SpacecraftState[] states) 估算不带导数的理论值。

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

computeCommonParametersWithDerivatives, computeCommonParametersWithout, getGroundStationCoordinates, getGroundStationPosition, getStation, isTwoWay

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

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

Field Detail

MEASUREMENT_TYPE

public static final String MEASUREMENT_TYPE

测量的类型。

另请参阅:

常量字段值

AMBIGUITY_NAME

public static final String AMBIGUITY_NAME

歧义驱动器的名称。

另请参阅:

常量字段值

Constructor Detail

Phase

public Phase(GroundStation station,
             AbsoluteDate date,
             double phase,
             double wavelength,
             double sigma,
             double baseWeight,
             ObservableSatellite satellite)

简单构造函数。

参数:

station - 执行测量的地面站

date - 测量的日期

phase - 观测值（循环）

wavelength - 相位观测值波长（米）

sigma - 理论标准偏差

baseWeight - 基本权重

satellite - 与此测量相关的卫星

自版本:

9.3

Method Detail

getWavelength

public double getWavelength()

获取波长。

返回:

波长（米）

getAmbiguityDriver

public ParameterDriver getAmbiguityDriver()

获取相位歧义的驱动器。

返回:

相位歧义的驱动器

自版本:

10.3

theoreticalEvaluationWithoutDerivatives

protected EstimatedMeasurementBase<Phase> theoreticalEvaluationWithoutDerivatives(int iteration,
                                                                                  int evaluation,
                                                                                  SpacecraftState[] states)

估算不带导数的理论值。

理论值没有应用任何修饰符。

指定者:

theoreticalEvaluationWithoutDerivatives 在类 AbstractMeasurement<Phase>

参数:

iteration - 迭代次数

evaluation - 评估次数

states - 测量日期的轨道状态

返回:

理论值

另请参阅:

AbstractMeasurement.estimate(int, int, SpacecraftState[])

theoreticalEvaluation

protected EstimatedMeasurement<Phase> theoreticalEvaluation(int iteration,
                                                            int evaluation,
                                                            SpacecraftState[] states)

估算理论值。

理论值没有应用任何修饰符。

指定者:

theoreticalEvaluation 在类 AbstractMeasurement<Phase>

参数:

iteration - 迭代次数

evaluation - 评估次数

states - 测量日期的轨道状态

返回:

理论值

另请参阅:

AbstractMeasurement.estimate(int, int, SpacecraftState[])