Comb filtering describes a filter that reduces the frequency response at a fundamental tone and all of its odd harmonics.
f a signal is combined with its duplicate, except that the duplicate is delayed by a path-length difference d, the two signals will cancel at all frequencies where d is an odd multiple of half of the wavelength.
Ref: 123250/2006-09-24
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Comb (Comb bind means to plastic comb bind by inserting ...)
Alternative Spellings (Synonyms): Combs