aim4.noise
Class GaussianNoiseFunction

java.lang.Object
  aim4.noise.GaussianNoiseFunction

All Implemented Interfaces:

NoiseFunction

public class GaussianNoiseFunction
extends Object
implements NoiseFunction

NoiseFunction that adds Gaussian noise to a value.

Field Summary

protected static Random

rnd Random seed for creating noise.

Constructor Summary

GaussianNoiseFunction(double standardDeviation)
Class constructor.

Method Summary

double

apply(double trueValue) Apply the noise function to the given value.

Methods inherited from class java.lang.Object

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

Field Detail

rnd

protected static Random rnd

Random seed for creating noise.

Constructor Detail

GaussianNoiseFunction

public GaussianNoiseFunction(double standardDeviation)

Class constructor. Takes the standard deviation of the Gaussian and uses it to generate noise with mean zero.

Parameters:

standardDeviation - the standard deviation of the desired Gaussian

Method Detail

apply

public double apply(double trueValue)

Apply the noise function to the given value.

Specified by:

apply in interface NoiseFunction

Parameters:

trueValue - the actual value of the quantity.

Returns:

the value of the quantity with noise added.