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- Newsgroups: sci.math
- Path: sparky!uunet!mcsun!sun4nl!ruuinf!prisma.cv.ruu.nl!ger
- From: ger@cv.ruu.nl (Ger Timmens)
- Subject: Re: What is the 'sinc' function?
- Sender: usenet@cv.ruu.nl (Usenet Network)
- Message-ID: <1993Jan12.093439.27666@cv.ruu.nl>
- Date: Tue, 12 Jan 1993 09:34:39 GMT
- References: <1itehhINN8v1@roundup.crhc.uiuc.edu>
- Nntp-Posting-Host: triton.cv.ruu.nl
- Organization: University of Utrecht, 3D Computer Vision Research Group
- Keywords: sinc
- Lines: 18
-
- In <1itehhINN8v1@roundup.crhc.uiuc.edu> hougen@focus.csl.uiuc.edu (Darrell Roy Hougen) writes:
-
- >I came accross it in a paper about the scattering of electromagnetic
- >radiation.
-
- sin(Pi * x)
- sinc(x) = -----------,
- (Pi * x)
-
- So it's 0 at {...,-2,-1,0,1,2,...}. It's the Fourier transform of an ideal
- lowpass filter.
-
- Hope this helps,
- --
- |I| Ger Timmens |I| If you're not part of the solution, |I|
- |M| 3D Computer Vision Group |M| you're part of the problem! |M|
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