[PD] Box Muller Gaussian noise
Charles Henry
czhenry at gmail.com
Sun Mar 16 17:37:08 CET 2008
On Sun, Mar 16, 2008 at 11:16 AM, Martin Peach
<martin.peach at sympatico.ca> wrote:
> (gaussianoise has occasional values that exceed [-1 ... 1], which I
> suppose is normal...white noise is always on [-1...1])
That's true. With the Box-Muller method, there is the log(~U1) term,
but you can always just add a small value to U1, which will truncate
your distribution. The size of the small value can be calculated to
fit with any given threshold.
>
> With white noise there should be no preferred values but gaussian noise
> will have a lot more hovering around zero.
>
> Martin
>
>
>
> >
> > Cheers all,
> >
> > Andy
> >
> >
> >
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