[time-nuts] decimation versus decimation

[William H. Fite]

Precisely, Dick!

On Tuesday, February 25, 2020, Richard Solomon via time-nuts <
time-nuts at lists.febo.com> wrote:

> The Ancient Romans had another,
> not so nice, definition.
>
> 73, Dick, W1KSZ
>
> On Tue, Feb 25, 2020 at 7:56 AM Dana Whitlow via time-nuts <
> time-nuts at lists.febo.com> 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".
> >
> > The other meaning is: "take every nth sample, but first prefilter
> > as appropriate to (sensibly) eliminate aliasing".
> >
> > 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"?
> >
> > Thanks,
> >
> > Dana    K8YUM
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