[SAC-HELP] About definition of Fourier transform
Arthur Snoke
snoke at vt.edu
Mon Apr 12 06:18:31 PDT 2010
The forward transform uses your first option: exp(-i\omega t).
I thought it was documented but did not see it with a quick check. if it
is there somewhere, please let me know where. If not, we will put it in
the next release -- probably in the help file for FFT, if no one has a
better idea.
On Mon, 12 Apr 2010, Genti Toyokuni wrote:
> Hello,
>
> I want to ask you definition of Fourier transform used in the fft command.
> Does the command perform the FFT with \exp(-i\omega t), or \exp(+i\omega t)?
>
> I tried to find it out from the SAC manual, but I could not.
>
> Regards,
>
> Genti Toyokuni
> _______________________________________________
> sac-help mailing list
> sac-help at iris.washington.edu
> http://www.iris.washington.edu/mailman/listinfo/sac-help
>
More information about the sac-help
mailing list