From: Alex Polite <notmyprivateemail@...>
Date: 2006-06-03T03:04:14+09:00
Subject: Re: Time domain to frequency domain with FFT from GSL

On 6/2/06, Dido Sevilla <dido.sevilla@gmail.com> wrote:
> This is a big problem. If you at the very least have an elementary
> calculus background, I would recommend you try to read Richard W.
> Hamming's book "Digital Filters" (ISBN: 0132128950). It covers all of
> the basics you need to know about digital signal processing and it's
> written in a more friendly style than most math books I've seen. It
> explains what the discrete Fourier transform actually computes (I'm
> not sure if this is entirely clear to you...), how to use windowing
> functions, what is meant by frequency aliasing, what negative
> frequencies are, and why it's not such a good idea to zero pad the
> data you feed into your FFT routine, among other things. Find it in a
> library somewhere.


Thanks. Seems like it's available at my local library. I'll pick it up
later today.



-- 
Alex Polite
http://flosspick.org - finding the right open source