[SciPy-user] Frequency content of a transient signal

Nils Wagner nwagner@iam.uni-stuttgart...
Tue Jul 22 02:31:33 CDT 2008


On Tue, 22 Jul 2008 09:15:11 +0200
  "Matthieu Brucher" <matthieu.brucher@gmail.com> wrote:
> Hi !
> 
> 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 ;)).
> 
> Matthieu
> 
  
Matthieu,

I am not very familiar with signal processing. Please can
you provide a short example ?
I have attached the data file. The first column 
corresponds
with the time, the second column represents the signal.
  
Thanks in advance

                       Nils
  
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