uk.ac.ed.ph.signal
Class Blackman

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

public class Blackman
extends Window

Class to implement the Blackman window of 0.42 - 0.5*cos(2pi t) + 0.08*cos(4pi t)

Constructor Summary

Blackman()
Default constrcuor to form window on zero length

Blackman(int n)
Constructor to for a Blackman window of specifed length

Method Summary

double

getWeight(double x) method to calcualte the Blackman window

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

getWeight, setLength

Methods inherited from class java.lang.Object

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

Constructor Detail

Blackman

public Blackman()

Default constrcuor to form window on zero length

Blackman

public Blackman(int n)

Constructor to for a Blackman window of specifed length

Parameters:

n - length of the window

Method Detail

getWeight

public double getWeight(double x)

method to calcualte the Blackman window

Specified by:

getWeight in class Window

Parameters:

x - normalsied time

Returns:

double the window weight