Article View: comp.dsp
Article #1403Re: Help on FFT frequency resolution
From: Bob Cutler
Date: Fri, 11 Jan 1991 15:47
Date: Fri, 11 Jan 1991 15:47
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/ hplsla:comp.dsp / bobc@hplsla.HP.COM (Bob Cutler) / 1:25 pm Jan 10, 1991 /
>This seems to increase the DFFT frequency resolution. But I remember I read
>from a text book somewhere that says it isn't so (I forget which book that is);
>the padding is just a way of interpolation. Is it true?
>
window 512 points wide. This multiplication in the frequency domain
^^^^^^^^^
This should be 'multiplication in the time domain'. Sorry for the
confusion.
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Path: arc1-ca.pugleaf.net!utzoo!censor!geac!torsqnt!lethe!yunexus!ists!helios.physics.utoronto.ca!news-server.csri.toronto.edu!bonnie.concordia.ca!thunder.mcrcim.mcgill.edu!snorkelwacker.mit.edu!apple!usc!sdd.hp.com!hp-pcd!hplsla!bobc From: bobc@hplsla.HP.COM (Bob Cutler) Newsgroups: comp.dsp Subject: Re: Help on FFT frequency resolution Message-ID: <9360018@hplsla.HP.COM> Date: 11 Jan 91 15:47:53 GMT References: <8156.278a8f4d@jetson.uh.edu> Organization: HP Lake Stevens, WA Lines: 13