I hope this isn't a repeat of old information.  Came in a quite late in the
thread.
You might try  www.dspguide.com  for a downloadable copy of:
The Scientist and Engineer's Guide to Digital Signal Processing.  A great
tutorial.


> > > I also have been using digital filtering with one of my computers with
an
> > smt-8 > style vertical. >    >
****************************************************************************
**
> John Hernlund
> Department of Geological Sciences
> Arizona State University
> E-mail: hernlund@.......
> WWW: http://www.public.asu.edu/~hernlund/
.

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