[Numpy-discussion] Recognizing a cycle in a vector

Manolo Martínez manolo at austrohungaro.com
Thu Nov 26 16:59:58 EST 2015

> >> Is there any way to check for cycles in this situation?
> > Fast fourier transform (fft)?
> +1 For using a discrete Fourier transform, as implemented by numpy.fft.fft.
> You mentioned that you sample at points which do not correspond with the
> period of the signal; this introduces a slight complexity in how the
> Fourier transform reflects information about the original signal. I attach
> two documents to this email with details about those (and other)
> complexities. There is also much information on this topic online and in
> signal processing books.

Dear Elliot, Daniel,

Thanks a lot for that. Off to read!


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