Article View: comp.dsp
Article #2128Re: DSP project: spectrum reversal
From: Gints Klimanis
Date: Tue, 26 Jan 1993 20:15
Date: Tue, 26 Jan 1993 20:15
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In article <1k28e0INNddk@fido.asd.sgi.com>, gints@prophet.esd.sgi.com (Gints Klimanis) writes: plenty of stuf deleted |> Changing the sign of every sample is the operation of multiplying the |> signal by a full amplitude sinusoid at f=fs/2. This process amplitude |> modulates the signal out of band such that it aliases perfectly into the |> base band. Ooops. Dropped a word. First sentence should begin with "Changing the sign of every *other* sample ...". NOW, this matches the first paragraph of my original post.
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Path: arc1-ca.pugleaf.net!sparky!uunet!opl.com!hri.com!spool.mu.edu!olivea!sgigate!sgi!fido!prophet.esd.sgi.com!gints From: gints@prophet.esd.sgi.com (Gints Klimanis) Newsgroups: comp.dsp Subject: Re: DSP project: spectrum reversal Message-ID: <1k464qINNijv@fido.asd.sgi.com> Date: 26 Jan 93 20:15:22 GMT References: <1k25kgINNb73@geraldo.cc.utexas.edu> <1k28e0INNddk@fido.asd.sgi.com> Organization: Silicon Graphics, Inc. Lines: 12 NNTP-Posting-Host: prophet.esd.sgi.com