uk.ac.ed.ph.signal
Class ComplexSignal

java.lang.Object
  uk.ac.ed.ph.signal.Signal
      uk.ac.ed.ph.signal.ComplexSignal

public class ComplexSignal
extends Signal

Class to deal with and process Complex Signals where the signal is held as an interleaved array of doubles.

Field Summary

Fields inherited from class uk.ac.ed.ph.signal.Signal

data, fmt, plot

Constructor Summary

ComplexSignal(ComplexSignal s)
Constrcuor to forma ComplexSignal with all information taked fromthe specifed ComplexSignal inclduing a copy of the data

ComplexSignal(double[] rp, double[] ip)
Constrctor to forma ComplexSignal from a real and imaginary double[] arrays

ComplexSignal(int n)
Constrcutor to form a ComplexSignal with specified number of data points.

ComplexSignal(RealSignal s)
Constrcuor to forma ComplexSignal with all information taked from the RealSignal only work if RealSignal in in REAL space

Method Summary

ComplexSignal	clone() Methed to clone the current signal, inclduing the data
ComplexSignal	extract(double start, double length) Method to extarct a length of Signal into a new ComplexSignal
ComplexSignal	extract(int start, int length) Method to extarct a length of Signal into a new ComplexSignal
ComplexSignal	extract(int start, int length, int sample) Method to extarct a lengtn of Signal into a new ComplexSignal
String	formatElement(int i) Method to format a single element
static ComplexSignal	fromTextFile(File file) Static to read in ComplexSignal from text data file with two or three doubles per line
static ComplexSignal	fromTextFile(String fileName) Static to read in ComplexSignal from text data file with two doubles per line
ComplexDataArray	getDataArray() Method to get the DataArray

Methods inherited from class uk.ac.ed.ph.signal.Signal

add, add, add, add, centreFourier, conjugate, conjugate, fillSine, fourier, getComplex, getComplex, getConversion, getCurrentWidth, getDataBuffer, getDouble, getDouble, getPlot, getRealSignal, getRealSignal, getSample, getSampleInterval, getSpace, getStart, getTime, getTitle, getType, getWidth, mult, mult, mult, mult, mult, mult, mult, multConjugate, powerSpectrum, setComplex, setComplex, setConversion, setDouble, setSampleFrequency, setSampleInterval, setStart, setTitle, toGraph, toPlot, toPlot, toPrintWriter, toTextFile, toTextFile, weight

Methods inherited from class java.lang.Object

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

Constructor Detail

ComplexSignal

public ComplexSignal(int n)

Constrcutor to form a ComplexSignal with specified number of data points.

Parameters:

n - number of data points

ComplexSignal

public ComplexSignal(double[] rp,
                     double[] ip)

Constrctor to forma ComplexSignal from a real and imaginary double[] arrays

Parameters:

rp - the real array

ip - the imaginary array

ComplexSignal

public ComplexSignal(ComplexSignal s)

Constrcuor to forma ComplexSignal with all information taked fromthe specifed ComplexSignal inclduing a copy of the data

Parameters:

s - specifying ComplexSignal

ComplexSignal

public ComplexSignal(RealSignal s)

Constrcuor to forma ComplexSignal with all information taked from the RealSignal only work if RealSignal in in REAL space

Parameters:

s - specifying ComplexSignal

Method Detail

clone

public ComplexSignal clone()

Methed to clone the current signal, inclduing the data

Overrides:

clone in class Object

Returns:

ComplexSignal clone of curret ComplexSignal

getDataArray

public ComplexDataArray getDataArray()

Method to get the DataArray

extract

public ComplexSignal extract(int start,
                             int length,
                             int sample)

Method to extarct a lengtn of Signal into a new ComplexSignal

Parameters:

start - start element of extarction

length - length of extarcted signal

sample - sample interval

extract

public ComplexSignal extract(int start,
                             int length)

Method to extarct a length of Signal into a new ComplexSignal

Parameters:

start - start element of extarction

length - length of extarcted signal

extract

public ComplexSignal extract(double start,
                             double length)

Method to extarct a length of Signal into a new ComplexSignal

Parameters:

start - the start time

length - the length of the extarction

formatElement

public String formatElement(int i)

Description copied from class: Signal

Method to format a single element

Parameters:

i - the element index

Returns:

String the formatted String.

fromTextFile

public static ComplexSignal fromTextFile(File file)

Static to read in ComplexSignal from text data file with two or three doubles per line

Parameters:

file - the text file

fromTextFile

public static ComplexSignal fromTextFile(String fileName)

Static to read in ComplexSignal from text data file with two doubles per line

Parameters:

fileName - the text file