Re: Confusion about the filter in time and frequency domain
by Wox <nomail@[EMAIL PROTECTED]
>
Feb 5, 2008 at 03:38 PM
On Tue, 5 Feb 2008 05:39:57 -0800 (PST), "duxiyu@[EMAIL PROTECTED]
"
<duxiyu@[EMAIL PROTECTED]
> 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?