2008/8/7 Nadav Horesh <[EMAIL PROTECTED]>:
> The 0 padding is easy in numpp/pylab as in octave/matlab, by just adding one
> argument. In pylab it is the "a" keyword:
>
> y = fft(x, n=2*len(x))
Just be careful about using the n parameter for `ifft`; in that case
it does not pad correctly.
Stéfan
, but I was too
big to for this mailing list.
-הודעה מקורית-
מאת: [EMAIL PROTECTED] בשם Matthias Hillenbrand
נשלח: ו 08-אוגוסט-08 07:38
אל: numpy-discussion@scipy.org
נושא: Re: [Numpy-discussion] Horizontal lines in diffraction image (NumPyFFT)
Hello,
today I found time to do
ROTECTED] בשם Matthias Hillenbrand
נשלח: ה 07-אוגוסט-08 00:30
אל: numpy-discussion@scipy.org
נושא: Re: [Numpy-discussion] Horizontal lines in diffraction image (NumPyFFT)
Hello,
> When you convolve two signals, of lengths N and M, you need to pad the
> FFTs to length (N+M-1) before multiplication