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Re: Confusion about the filter in time and frequency domain [message #58606] Tue, 05 February 2008 06:38
Wox is currently offline  Wox
Messages: 184
Registered: August 2006
Senior Member
On Tue, 5 Feb 2008 05:39:57 -0800 (PST), "duxiyu@gmail.com"
<duxiyu@gmail.com> wrote:

>> ftimefilter=fft(timefilter,1); == ntime2*fft(timefilter)
> Besides, I don't know why you use the inverse transform instead of the
> forward transform in IDL to caculate ftimefilter.

Euhm, this is the forward transformation no?

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