[SciPy-user] Frequency content of a transient signal

Stéfan van der Walt stefan@sun.ac...
Tue Jul 22 06:59:39 CDT 2008


2008/7/22 Matthieu Brucher <matthieu.brucher@gmail.com>:
> I think you can use a sliding DFT on your signal. This way, you will
> get a moving estimation of the spectral information (it's a basic
> time-frequency transform, before you use wavelets ;)).

Wavelets always sound like so much fun.  Attached, a script to
decompose the signal using pywt (http://wavelets.scipy.org).

Regards
Stéfan
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