Recursive filter

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In signal processing, a recursive filter is a type of filter which re-uses one or more of its outputs as an input. This feedback typically results in an unending impulse response (commonly referred to as infinite impulse response (IIR)), characterised by either exponentially growing, decaying, or sinusoidal signal output components.

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• This page was last modified 01:18, 18 February 2007 by Wikipedia user Oleg Alexandrov. Based on work by Wikipedia user(s) Oli Filth and Technopilgrim.
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