This sounds like homework. I think you should take some time to
reformulate the quesitons so they make sense - in the process I suspect
you will find your answers.
Patience, persistence, truth,
Dr. mike
On Tue, 9 Apr 2013, hanieh mardomi wrote:
> Hi, I am working on denoising of electromagnetic time
series. I am going to estimate the SNR. I have two questions: what is the
meaning of the smoothing parameter? what is the role of sigmoid functions on
this estimation?
>
> I do appreciate your prompt response.
> Regards,
>
> Hanieh Mardomi.
>