Hi Dana, On 2020-02-25 15:55, Dana Whitlow via time-nuts wrote: > I'm confused: > > I seem to see multiple (at least double) meanings for the term > 'decimation'. > > One meaning is simply: "take every nth sample and discard > the others without regard to possible aliasing". This is sub-sampling. It performs a very crude decimation, full with aliasing. > The other meaning is: "take every nth sample, but first prefilter > as appropriate to (sensibly) eliminate aliasing".
This is what every day decimation is these days. > > Which is it? And if the answer is "both", then shouldn't we all > be very careful to explicitly specify which meaning applies to > the situation at hand whenever we use the term "decimation"? Luckily there is different terms for the two different processes to use. Cheers, Magnus _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
