[SciPy-User] frequency components of a signal buried in a noisy time domain signal

[Charles R Harris]

On Fri, Feb 26, 2010 at 12:05 PM, Nils Wagner
<nwagner at iam.uni-stuttgart.de>wrote:

> Hi all,
>
> A common use of Fourier transforms is to find the
> frequency components of a signal buried in a noisy time
> domain signal.
>
> I found a Matlab template at
>
> http://www.mathworks.com/access/helpdesk/help/techdoc/ref/fft.shtml
>
> Matlab has a function
>
> nextpow2(L)
>
>
I use searchsorted for that.

In [5]: tab = 2**arange(30)

In [6]: tab[tab.searchsorted(10)]
Out[6]: 16

In [7]: tab[tab.searchsorted(81)]
Out[7]: 128

Is there a similar build-in function in numpy/scipy ?
>
>
It would be handy sometimes. Where would it go?

Chuck
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