In signal processing, a comb filter adds a delayed version of a signal to itself, causing constructive and destructive interference. The frequency response of a comb filter consists of a series of regularly spaced spikes, giving the appearance of a comb.
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Famous quotes containing the word comb:
“Soldier, scholar, horseman, he,
As ‘twere all life’s epitome.
What made us dream that he could comb grey hair?”
—William Butler Yeats (1865–1939)