Re: How to perform the 1-D signal filter?

In article <MPG.220d13322fc9fa3c98a25f@[EMAIL PROTECTED]
>,
 David Fanning <news@[EMAIL PROTECTED]
> wrote:

> Kenneth P. Bowman writes:
> 
> > You could look at the chapter on FFTs and digital filtering in my IDL 
> > book (http://idl.tamu.edu).
 I wrote the chapter in part so that *I* 
> > could refer to it whenever I need to do a digital filter.  :-)
> 
> Ah, right. I remember that chapter. Here you are going
> along in a nice, beginning book and all of a sudden you
> are surrounded by formidable equations! All I really 
> remember about it was being dazed and thinking, "Boy,
> that was a big ending."
> 
> I'll have another look. :-)
> 
> Cheers,
> 
> David

The math is there is you want it, but it is not essential, I suppose, to 
using a digital filter.  The programming examples are as straightforward 
as is possible when using FFTs.  ;-)

Ken