hill climbing [Re: Dispensing ...]

Dave Long dl at silcom.com
Thu Sep 11 14:41:14 PDT 2003

>                              The problem
> with hill climbing is that tops of hills
> are often much flatter than their sides.

Playing with Moire patterns over at


makes it look like interference has
the opposite effect: a much stronger
signal for small offsets than large.

Is there a way to take advantage of
this for feedback?  Is it how phase
locked loops work?


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