Re: question about FFT computation

[Jörg Kampmann]

"Jörg Kampmann" <address@hidden> schrieb am 24.01.05 11:58:15:
> 
> 
> "Cesare CRUCCAS" <address@hidden> schrieb am 24.01.05 09:23:21:
> > 
> > Good morning Joerg,
> > 
> > I've found your name in the mailing list of octave about FFT...
> > 
> > I've need to make a FFT computation of a signal, 
> > but with the particularity that the times aren't equidistants. 
> >  
> > I've two vectors of dimension N. 
> > The first is the times (i.e. T=[0, 0.01, 0.04, ...]) 
> > and the second is another thing (i.e. Accel=[0, 4500, 4300, ...])
> > 
> > Could You help me?
> 
> thanks for the message, ad hoc I would say:
> 
> Interpolate the signals (e.g. with bezier or any other interpolation). And 
> make an equidistant sample series
> from that. 
> 
> When non-equidistancy is not that grave, i.e. when the sampling-points can be 
> considered as statistically
> equidistant, you should try to leave it as is ...
> 
> However if it is a real-time problem you possibly have to consider also these 
> issues, maybe a RTOS like QNX
> www.qnx.com
> 
> 
-- 
IBK-Consult - D-31228 Peine
http://www.ibk-consult.de



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