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Topic: Iterative Match Filterings
Replies: 33   Last Post: Apr 17, 2012 6:13 PM

 Messages: [ Previous | Next ]
 BretCahill@peoplepc.com Posts: 487 Registered: 6/24/08
Re: Iterative Match Filterings
Posted: Apr 6, 2012 3:03 PM

> >>>>>> Do you mean matched filtering or is "match" filtering something
> >>>>>> different?

>
> >>>>> North filter.
>
> >>>> Far more commonly known as a "matched filter",
>
> >>> How long did it take you to figure that out?
>
> >>>> which requires no
> >>>> special kind of convolution, only the ordinary, mundane kind.  There's
> >>>> no deconvolution involved.

>
> >>> How is the original waveform recovered with a North Filter?
>
> >> Bret, can you stick with the common semantic?  before today, i have
> >> never heard of a "North filter".

>
> > Is anyone still whining about "match filter" or "matched filter", both
> > of which google up tens of thousands of on point hits in less time
> > than it takes to play trifling word games.

>
> >> i am assuming from Eric's response and
> >> yours, that it is synonymous with "matched filter".

>
> >> a matched filter is not about recovering an original waveform.
>
> >http://en.wikipedia.org/wiki/Matched_filter
>
> > Scroll down to the match filter recovery of the binary signal
>

In that example the "detection" of the signal requires recovering the
original waveform.

> if you think that example is about producing a
> signal, rather than determining if a 0 or 1 had been transmitted, then
> you're mistaken.

You think any convolution of a square wave form with its kernel could
look like _that_?

> also, Wikipedia should not be taken as authoritative

You think an authoritative article is necessary for an _example_?

Maybe you think the author put that nonsense in because he wanted to
help out anyone trying to mislead on how match filtering can be used
for wave form recovery?

Bret Cahill