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

Robert Kern robert.kern@gmail....
Sat Feb 27 12:39:20 CST 2010


On Sat, Feb 27, 2010 at 12:32, Ivo Maljevic <ivo.maljevic@gmail.com> wrote:
> Thanks Robert. I figured that after I sent the question, but I am not sure
> if the search based solution offers any advantage in terms of speed.
> Besides, and not that it matters really, but that solution restricts the
> usage to max 2**32 integer result on 32 bit machines, whereas log based one
> doesn't:

The point of nextpow2() is to find a good size array for doing the
FFT. It is not a general purpose computational routine. On 32-bit
machines, you cannot have an array larger than 2**32.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
  -- Umberto Eco


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