Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!elroy.jpl.nasa.gov!swrinde!mips!pacbell.com!att!princeton!njin!njitgw.njit.edu!hertz.njit.edu!jfa0522 From: jfa0522@hertz.njit.edu (john f andrews ece) Newsgroups: comp.dsp Subject: Re: 180 deg phase shift Message-ID: <1991May10.153753.22596@njitgw.njit.edu> Date: 10 May 91 15:37:53 GMT References: <1991May9.160115.3494@cpsc.ucalgary.ca> <1991May09.192740.4165@bmerh2.bnr.ca> Sender: news@njit.edu Organization: New Jersey Institute of Technology, Newark, N.J. Lines: 15 Nntp-Posting-Host: hertz.njit.edu In article <1991May09.192740.4165@bmerh2.bnr.ca> myhui@bnr.ca (Michael Hui) writes: >In article <1991May9.160115.3494@cpsc.ucalgary.ca> heredia@enel.ucalgary.ca (Edwin Heredia) writes: >>For those who can't believe that inverting the signal produces >>a 180 deg. phase shift and for those who think that this trick >>works only with "easy-to-work" signals as pure tones: >> >>Given *ANY* signal x(n) with Fourier Transform X(w) > ^^^ > >Really? You surely mean _periodic_ signal. > > Michael MY Hui Ottawa Canada myhui@bnr.ca Why do we keep tagging onto this thread? "any signal ..with a fourier ransform" implies any periodic signal....so why the beef? Let it go!