org.orekit.tutorials.estimation.common

Class CustomHarmonicAccelerationModel

java.lang.Object

org.orekit.tutorials.estimation.common.CustomHarmonicAccelerationModel

All Implemented Interfaces:

org.orekit.forces.empirical.AccelerationModel

public class CustomHarmonicAccelerationModel
extends Object
implements org.orekit.forces.empirical.AccelerationModel

Harmonic acceleration model based on sine and cosine.

Author:

Bryan Cazabonne

Constructor Summary

Constructors

Constructor and Description
CustomHarmonicAccelerationModel(String prefix, org.orekit.time.AbsoluteDate referenceDate, double fundamentalPeriod, int harmonicMultiplier) Simple constructor.

Method Summary

Modifier and Type	Method and Description
List<org.orekit.utils.ParameterDriver>	getParametersDrivers()
void	init(org.orekit.propagation.SpacecraftState initialState, org.orekit.time.AbsoluteDate target)
<T extends org.hipparchus.CalculusFieldElement<T>> T	signedAmplitude(org.orekit.propagation.FieldSpacecraftState<T> state, T[] parameters)
double	signedAmplitude(org.orekit.propagation.SpacecraftState state, double[] parameters)

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomHarmonicAccelerationModel

public CustomHarmonicAccelerationModel(String prefix,
                                       org.orekit.time.AbsoluteDate referenceDate,
                                       double fundamentalPeriod,
                                       int harmonicMultiplier)

Simple constructor.

Parameters:

prefix - prefix to use for parameter drivers

referenceDate - reference date for computing polynomials, if null the reference date will be automatically set at propagation start

fundamentalPeriod - fundamental period (typically set to initial orbit Keplerian period)

harmonicMultiplier - multiplier to compute harmonic period from fundamental period)

Method Detail

init

public void init(org.orekit.propagation.SpacecraftState initialState,
                 org.orekit.time.AbsoluteDate target)

Specified by:

init in interface org.orekit.forces.empirical.AccelerationModel

signedAmplitude

public double signedAmplitude(org.orekit.propagation.SpacecraftState state,
                              double[] parameters)

Specified by:

signedAmplitude in interface org.orekit.forces.empirical.AccelerationModel

signedAmplitude

public <T extends org.hipparchus.CalculusFieldElement<T>> T signedAmplitude(org.orekit.propagation.FieldSpacecraftState<T> state,
                                                                            T[] parameters)

Specified by:

signedAmplitude in interface org.orekit.forces.empirical.AccelerationModel

getParametersDrivers

public List<org.orekit.utils.ParameterDriver> getParametersDrivers()

Specified by:

getParametersDrivers in interface org.orekit.forces.empirical.AccelerationModel