Article View: comp.dsp
Article #2197Re: Imaginary signals
From: Armein Langi
Date: Sat, 09 Jan 1993 21:27
Date: Sat, 09 Jan 1993 21:27
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In article 726611777@axe.acadiau.ca, 880840m@axe.acadiau.ca (MICHAEL ALEXANDER MCKAY) writes: > >Is there a time-domain filter which, given a real signal as input, will >output the corresponding imaginary signal? >I've tried to make a filter with unity gain and pi/2 phase shift for >all frequencies, but with no luck. > > I don't really understand what you mean by 'the corresponding imaginary signal'. What I know is that the imaginary part of a signal in defined only on a complex signal space. And, in this case, the imaginary part of a real signal is 0. Thus, the filter is simply a system that produces 0 (am I wrong ?). -Armein
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Newsgroups: comp.dsp Path: arc1-ca.pugleaf.net!sparky!uunet!newsflash.concordia.ca!mizar.cc.umanitoba.ca!ic7!langi From: langi@ee.umanitoba.ca (Armein Langi) Subject: Re: Imaginary signals Message-ID: <C0LvMG.4B4@ccu.umanitoba.ca> Sender: news@ccu.umanitoba.ca Nntp-Posting-Host: ic7.ee.umanitoba.ca Reply-To: langi@ee.umanitoba.ca Organization: Elect & Comp Engineering, U of Manitoba, Winnipeg, Manitoba,Canada References: <880840m.33.726611777@axe.acadiau.ca> Date: Sat, 9 Jan 1993 21:27:52 GMT Lines: 17