> The threshold value is normally determined by your noise PDF and by
> selecting some acceptable "Probability of False Alarm". Most of the
> analytical theory here is based around Gaussian noise models.
>
> Cheers,
> David

Hello David,

How can I compute the PDF of the noise ?

I've tried this to integrate the output of the matched filter and
compute the maximal value

Then how to compute the PDF value of the noise ?

Thanks.