at.mug.iqm.plot.bundle.op

Class PlotOpFractalGenerator

java.lang.Object

at.mug.iqm.api.operator.AbstractOperator

at.mug.iqm.plot.bundle.op.PlotOpFractalGenerator

All Implemented Interfaces:

IProgressEmitter, ICancelable, IOperator

public class PlotOpFractalGenerator
extends AbstractOperator

Analyzing exact fractal time series: evaluation dispersional analysis and rescaled range methods. Physica A 1997 246 609-632

Changes

• DHM Davies and Harte method
• SSM spectral synthesis method
• accordiing to Caccia Percival Cannon Raymond Bassingthwaigthe.

Since:

2012 12

Author:

Ahammer

Field Summary

Fields inherited from class at.mug.iqm.api.operator.AbstractOperator

isCancelable, name, parentTask, pcs, type

Constructor Summary

Constructors

Constructor and Description
PlotOpFractalGenerator()

Method Summary

Modifier and Type	Method and Description
private void	calcDFT(Vector<Double> inReal, Vector<Double> outReal, Vector<Double> outImag) This method calculates the DFT of a real number
private void	calcDFT(Vector<Double> inReal, Vector<Double> inImag, Vector<Double> outReal, Vector<Double> outImag) This method calculates the DFT of a complex number
private Vector<Double>	calcDFTofAC_Equ6a(Vector<Double> inReal) This method calculates the DFT of a real numbered auto correlation function according to DHM Method Caccia et al 1997 Equ 6a
private Vector<Double>	calcDFTofRSA_Equ6f(Vector<flanagan.complex.Complex> signalV) This method calculates the simulated time series
private Vector<Double>	calcPowerSpectrum(Vector<Double> signal) This method calculates the power spectrum of a signal
private Vector<flanagan.complex.Complex>	calcRSA_Equ6be(Vector<Double> signalS)
private boolean	checkIfDataPointsAreNotNegative(Vector<Double> signal)
private Vector<Double>	convert_fBmTofGn(Vector<Double> signal) This method converts a fBm signal into a fGn signal
private Vector<Double>	convert_fGnTofBm(Vector<Double> signal) This method converts a fGn signal into a fBm signal
private Vector<Double>	generateAC(int M, double hurst) this method generates an auto covariance function with defined length and Hurst coefficient
String	getName() Gets the unique name of the IOperator by returning the "GlobalName" element from the resources[][] of the associated IOperatorDescriptor.
OperatorType	getType() Gets the type of the operator listed in an enumeration.
IResult	run(IWorkPackage wp) This method contains the entire logic (algorithm) of the operator.

Methods inherited from class at.mug.iqm.api.operator.AbstractOperator

addProgressListener, fireProgressChanged, getParentTask, getPcs, getProgressListeners, initializeOperator, isCancelable, isCancelled, setCancelable, setParentTask

Methods inherited from class java.lang.Object

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

Constructor Detail

PlotOpFractalGenerator

public PlotOpFractalGenerator()

Method Detail

convert_fBmTofGn

private Vector<Double> convert_fBmTofGn(Vector<Double> signal)

This method converts a fBm signal into a fGn signal

Parameters:

signal -

Returns:

converted signal

convert_fGnTofBm

private Vector<Double> convert_fGnTofBm(Vector<Double> signal)

This method converts a fGn signal into a fBm signal

Parameters:

signal -

Returns:

converted signal

generateAC

private Vector<Double> generateAC(int M,
                                  double hurst)

this method generates an auto covariance function with defined length and Hurst coefficient

Parameters:

M -

hurst -

Returns:

auto covariance function

calcDFT

private void calcDFT(Vector<Double> inReal,
                     Vector<Double> inImag,
                     Vector<Double> outReal,
                     Vector<Double> outImag)

This method calculates the DFT of a complex number

Parameters:

inReal -

inImag -

outReal -

outImag -

calcDFT

private void calcDFT(Vector<Double> inReal,
                     Vector<Double> outReal,
                     Vector<Double> outImag)

This method calculates the DFT of a real number

Parameters:

inReal -

inImag -

outReal -

outImag -

calcDFTofAC_Equ6a

private Vector<Double> calcDFTofAC_Equ6a(Vector<Double> inReal)

This method calculates the DFT of a real numbered auto correlation function according to DHM Method Caccia et al 1997 Equ 6a

Parameters:

inReal -

Returns:

signalS

checkIfDataPointsAreNotNegative

private boolean checkIfDataPointsAreNotNegative(Vector<Double> signal)

calcRSA_Equ6be

private Vector<flanagan.complex.Complex> calcRSA_Equ6be(Vector<Double> signalS)

calcDFTofRSA_Equ6f

private Vector<Double> calcDFTofRSA_Equ6f(Vector<flanagan.complex.Complex> signalV)

This method calculates the simulated time series

Parameters:

signalV -

Returns:

the simulated signal

calcPowerSpectrum

private Vector<Double> calcPowerSpectrum(Vector<Double> signal)

This method calculates the power spectrum of a signal

Parameters:

signal -

Returns:

the power spectrum of the signal

run

public IResult run(IWorkPackage wp)

Description copied from interface: IOperator

This method contains the entire logic (algorithm) of the operator. An IOperator does not declare any class members, since the execution of this code must be thread-safe.

Specified by:

run in interface IOperator

Specified by:

run in class AbstractOperator

Parameters:

wp - the parameters and sources

Returns:

a IResult containing all processed data

getName

public String getName()

Description copied from interface: IOperator

Gets the unique name of the IOperator by returning the "GlobalName" element from the resources[][] of the associated IOperatorDescriptor.

Specified by:

getName in interface IOperator

Specified by:

getName in class AbstractOperator

Returns:

the unique name of the operator

getType

public OperatorType getType()

Description copied from interface: IOperator

Gets the type of the operator listed in an enumeration.

Specified by:

getType in interface IOperator

Specified by:

getType in class AbstractOperator

Returns:

the OperatorType