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i'm sorry...what's decimation?

Started by c1910 June 12, 2007
hi! what is decimation? can everybody give me an example? or the
definition?

or what is the function?

thanks, coz i don't understand the decimation?!
On Jun 12, 8:41 am, "c1910" <c_19...@hotmail.com> wrote:
> hi! what is decimation? can everybody give me an example? or the > definition? > > or what is the function? > > thanks, coz i don't understand the decimation?!
Wrong group to post this question. Dirk
c1910 wrote:
> hi! what is decimation? can everybody give me an example? or the > definition? > > or what is the function? > > thanks, coz i don't understand the decimation?!
At it's simplest decimation is just selecting every Nth data point to keep, and throwing away the rest. It's a form of sampling, so you usually have to precede your decimation step by some sort of anti-alias filtering, although sometimes you'll get lucky. -- Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you need to implement control loops in software? "Applied Control Theory for Embedded Systems" gives you just what it says. See details at http://www.wescottdesign.com/actfes/actfes.html
dbell wrote:
> On Jun 12, 8:41 am, "c1910" <c_19...@hotmail.com> wrote: >> hi! what is decimation? can everybody give me an example? or the >> definition? >> >> or what is the function? >> >> thanks, coz i don't understand the decimation?! > > Wrong group to post this question. > > Dirk >
Unless he's asking about ancient Roman practices to subjugate the populaces of newly assimilated areas, I think this is as close to the right group as you'll find -- do you have a better suggestion? -- Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you need to implement control loops in software? "Applied Control Theory for Embedded Systems" gives you just what it says. See details at http://www.wescottdesign.com/actfes/actfes.html
"c1910" <c_19_10@hotmail.com> writes:

> hi! what is decimation? can everybody give me an example? or the > definition?
Definitely not, because everybody does not know of an example or the definition. -- % Randy Yates % "Midnight, on the water... %% Fuquay-Varina, NC % I saw... the ocean's daughter." %%% 919-577-9882 % 'Can't Get It Out Of My Head' %%%% <yates@ieee.org> % *El Dorado*, Electric Light Orchestra http://home.earthlink.net/~yatescr
On Jun 12, 10:45 am, Tim Wescott <t...@seemywebsite.com> wrote:
> dbell wrote: > > On Jun 12, 8:41 am, "c1910" <c_19...@hotmail.com> wrote: > >> hi! what is decimation? can everybody give me an example? or the > >> definition? > > >> or what is the function? > > >> thanks, coz i don't understand the decimation?! > > > Wrong group to post this question. > > > Dirk > > Unless he's asking about ancient Roman practices to subjugate the > populaces of newly assimilated areas, I think this is as close to the > right group as you'll find -- do you have a better suggestion? >
Yes. No other group. Something as simple as "what's decimation" he/she should take 60 seconds to look on the web or in a book. For questions about the details, this group would be appropriate. Dirk
> -- > > Tim Wescott > Wescott Design Serviceshttp://www.wescottdesign.com > > Do you need to implement control loops in software? > "Applied Control Theory for Embedded Systems" gives you just what it says. > See details athttp://www.wescottdesign.com/actfes/actfes.html