de.gsi.chart.plugins.measurements.utils

Class SimpleDataSetEstimators

java.lang.Object

de.gsi.chart.plugins.measurements.utils.SimpleDataSetEstimators

public final class SimpleDataSetEstimators
extends Object

computation of statistical estimates

Author:

rstein

Method Summary

Modifier and Type	Method and Description
static double	computeFWHM(double[] data, int length, int index) compute simple Full-Width-Half-Maximum (no inter-bin interpolation)
static double	computeInterpolatedFWHM(double[] data, int length, int index) compute interpolated Full-Width-Half-Maximum
static double	getDistance(DataSet dataSet, int indexMin, int indexMax, boolean isHorizontal)
static double[]	getDoubleArray(DataSet dataSet, int indexMin, int indexMax)
static double	getDutyCycle(DataSet dataSet, int indexMin, int indexMax)
static double	getEdgeDetect(DataSet dataSet, int indexMin, int indexMax)
static double	getFrequencyEstimate(DataSet dataSet, int indexMin, int indexMax)
static double	getFullWidthHalfMaximum(DataSet dataSet, int indexMin, int indexMax, boolean interpolate)
static double	getIntegral(DataSet dataSet, int indexMin, int indexMax)
static int	getLocationMaximum(DataSet dataSet, int indexMin, int indexMax)
static double	getLocationMaximumGaussInterpolated(DataSet dataSet, int indexMin, int indexMax)
static double	getMaximum(DataSet dataSet, int indexMin, int indexMax)
static double	getMean(DataSet dataSet, int indexMin, int indexMax)
static double	getMedian(DataSet dataSet, int indexMin, int indexMax)
static double	getMinimum(DataSet dataSet, int indexMin, int indexMax)
static double	getRange(DataSet dataSet, int indexMin, int indexMax)
static double	getRms(DataSet dataSet, int indexMin, int indexMax)
static double	getSimpleRiseTime(DataSet dataSet, int indexMin, int indexMax)
static double	getSimpleRiseTime(DataSet dataSet, int indexMin, int indexMax, double min, double max)
static double	getSimpleRiseTime1090(DataSet dataSet, int indexMin, int indexMax)
static double	getSimpleRiseTime2080(DataSet dataSet, int indexMin, int indexMax)
static double	getTransmission(DataSet dataSet, int indexMin, int indexMax, boolean isAbsoluteTransmission)
static double	interpolateGaussian(double[] data, int length, int index) interpolation using a Gaussian interpolation
static double	linearInterpolate(double x0, double x1, double y0, double y1, double y)

Methods inherited from class java.lang.Object

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

Method Detail

computeFWHM

public static double computeFWHM(double[] data,
                                 int length,
                                 int index)

compute simple Full-Width-Half-Maximum (no inter-bin interpolation)

Parameters:

data - data array

length - of data array

index - 0< index < data.length

Returns:

FWHM estimate [bins]

computeInterpolatedFWHM

public static double computeInterpolatedFWHM(double[] data,
                                             int length,
                                             int index)

compute interpolated Full-Width-Half-Maximum

Parameters:

data - data array

length - of data array

index - 0< index < data.length

Returns:

FWHM estimate [bins]

getDistance

public static double getDistance(DataSet dataSet,
                                 int indexMin,
                                 int indexMax,
                                 boolean isHorizontal)

getDoubleArray

public static double[] getDoubleArray(DataSet dataSet,
                                      int indexMin,
                                      int indexMax)

getDutyCycle

public static double getDutyCycle(DataSet dataSet,
                                  int indexMin,
                                  int indexMax)

getEdgeDetect

public static double getEdgeDetect(DataSet dataSet,
                                   int indexMin,
                                   int indexMax)

getFrequencyEstimate

public static double getFrequencyEstimate(DataSet dataSet,
                                          int indexMin,
                                          int indexMax)

getFullWidthHalfMaximum

public static double getFullWidthHalfMaximum(DataSet dataSet,
                                             int indexMin,
                                             int indexMax,
                                             boolean interpolate)

getIntegral

public static double getIntegral(DataSet dataSet,
                                 int indexMin,
                                 int indexMax)

getLocationMaximum

public static int getLocationMaximum(DataSet dataSet,
                                     int indexMin,
                                     int indexMax)

getLocationMaximumGaussInterpolated

public static double getLocationMaximumGaussInterpolated(DataSet dataSet,
                                                         int indexMin,
                                                         int indexMax)

getMaximum

public static double getMaximum(DataSet dataSet,
                                int indexMin,
                                int indexMax)

getMean

public static double getMean(DataSet dataSet,
                             int indexMin,
                             int indexMax)

getMedian

public static double getMedian(DataSet dataSet,
                               int indexMin,
                               int indexMax)

getMinimum

public static double getMinimum(DataSet dataSet,
                                int indexMin,
                                int indexMax)

getRange

public static double getRange(DataSet dataSet,
                              int indexMin,
                              int indexMax)

getRms

public static double getRms(DataSet dataSet,
                            int indexMin,
                            int indexMax)

getSimpleRiseTime

public static double getSimpleRiseTime(DataSet dataSet,
                                       int indexMin,
                                       int indexMax)

getSimpleRiseTime

public static double getSimpleRiseTime(DataSet dataSet,
                                       int indexMin,
                                       int indexMax,
                                       double min,
                                       double max)

getSimpleRiseTime1090

public static double getSimpleRiseTime1090(DataSet dataSet,
                                           int indexMin,
                                           int indexMax)

getSimpleRiseTime2080

public static double getSimpleRiseTime2080(DataSet dataSet,
                                           int indexMin,
                                           int indexMax)

getTransmission

public static double getTransmission(DataSet dataSet,
                                     int indexMin,
                                     int indexMax,
                                     boolean isAbsoluteTransmission)

interpolateGaussian

public static double interpolateGaussian(double[] data,
                                         int length,
                                         int index)

interpolation using a Gaussian interpolation

Parameters:

data - data array

length - length of data arrays

index - 0< index < data.length

Returns:

location of the to be interpolated peak [bins]

linearInterpolate

public static double linearInterpolate(double x0,
                                       double x1,
                                       double y0,
                                       double y1,
                                       double y)