uk.ac.ed.ph.signal
Class Window

java.lang.Object
  uk.ac.ed.ph.signal.Window

Direct Known Subclasses:

Bartlett, Blackman, Hamming, Hanning

public abstract class Window
extends Object

Abstarct class to perform Window function for one-dimensional signal processing.

Constructor Summary

Window()

Method Summary

abstract double	getWeight(double t) Method to return the window weight for double parameter, but be in the range 0 -> 1.0.
double	getWeight(int i) Method to return the window weight for integer parameter, but be in the range 0 -> length-1
void	setLength(int l) Method to set the window length

Methods inherited from class java.lang.Object

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

Constructor Detail

Window

public Window()

Method Detail

setLength

public void setLength(int l)

Method to set the window length

Parameters:

l - the window length

getWeight

public double getWeight(int i)

Method to return the window weight for integer parameter, but be in the range 0 -> length-1

Parameters:

i - the element index

Returns:

double the window weight

getWeight

public abstract double getWeight(double t)

Method to return the window weight for double parameter, but be in the range 0 -> 1.0.

Parameters:

t - the normalsied time

Returns:

double the window weight