Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!sunybcs!ugbell
From: ugbell@sunybcs.uucp (William Bell)
Newsgroups: sci.electronics
Subject: Hmmm.. Z-Transf. Freqq. Response, etc.
Message-ID: <4345@cs.Buffalo.EDU>
Date: 23 Feb 89 03:03:50 GMT
Sender: nobody@cs.Buffalo.EDU
Reply-To: ugbell@sunybcs.UUCP (William Bell)
Organization: SUNY/Buffalo Computer Science
Lines: 11


     How do you:
    1. Frequency scale into Standardized domain?

    2. WE know that H(z=0)= zeros, H( z->infinity) = poles.
       What happens when H(z^2)? or H(z^3)? ANd how do you
       proove it?? (Often seen in Digital Filter Structures).

        H(z) = Y(z) / X(z).
        Y(z) = SUm (k=0 to M) b.k z^-k
        X(z) = 1 - Sum (K=1 to N) a.k z^-k