de.gsi.math.spectra

Class EEMD

java.lang.Object

de.gsi.math.spectra.EEMD

public class EEMD
extends Object

Author:

rstein

Constructor Summary

Constructors

Constructor and Description
EEMD()

Method Summary

Modifier and Type	Method and Description
static int	computeZeroCrossings(double[] data)
MatrixD	eemd(double[] data, double rms_noise, double NE)
static int	extrema(double[] data, double[][] spmax, double[][] spmin)
DataSet3D	getScalogram(double[] data, int nQuantx, int nQuanty) EMD spectrum implementation
double[][]	getSpectrumArray(double[] data, int nQuantx, int Quanty)
int	getStatus()
boolean	isBusy()

Methods inherited from class java.lang.Object

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

Constructor Detail

EEMD

public EEMD()

Method Detail

eemd

public MatrixD eemd(double[] data,
                    double rms_noise,
                    double NE)

getScalogram

public DataSet3D getScalogram(double[] data,
                              int nQuantx,
                              int nQuanty)

EMD spectrum implementation

Parameters:

data - input data

nQuantx - quantisation in X

nQuanty - quantisation in Y

Returns:

the complex HHT spectrum

getSpectrumArray

public double[][] getSpectrumArray(double[] data,
                                   int nQuantx,
                                   int Quanty)

getStatus

public int getStatus()

Returns:

progress of pending calculations in percent

isBusy

public boolean isBusy()

Returns:

whether class is busy computing a spectra

computeZeroCrossings

public static int computeZeroCrossings(double[] data)

extrema

public static int extrema(double[] data,
                          double[][] spmax,
                          double[][] spmin)