Xref: utzoo sci.electronics:17839 sci.physics:16854 Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!wuarchive!rex!uflorida!cs.fau.edu!terryb From: terryb.bbs@shark.cs.fau.edu (terry bohning) Newsgroups: sci.electronics,sci.physics Subject: Re: A question about the Nyquist theorm Message-ID: Date: 19 Feb 91 02:43:18 GMT References: <319@sphere.UUCP> Sender: bbs@cs.fau.edu (Waffle BBS) Organization: Florida Atlantic University Lines: 16 ruck@sphere.UUCP (John R Ruckstuhl Jr) writes: > > The Nyquist theorem is at least, not greater than. Oppenheim & Schafer, > > "Digital Signal Processing", Prentice-Hall, 1975, pg. 28 bottom. > > Yes. They say "at least twice the highest frequency". But the equation > they give is not ambiguous: Wmax < pi/Tsample (or, 2*Wmax < Wsample) > (same page). > > Terry, please be very careful of misinformation. > OK, OK. I'll say it "I M A D E A M I S T A K E". I'll say 5 Hail Mary's and build 10 linear phase anti-aliasing filters! It's too bad you can't make one on this board without getting hate mail in your box (not you John, I'm referring to the type of people who probably wonder why they're never invited to the meetings).