Nonrecursive filter
id:
nonrecursive-filter-169-2002042
title:
Nonrecursive filter
text:
In mathematics, a nonrecursive filter only uses input values like x[n − 1], unlike recursive filter where it uses previous output values like y[n − 1]. In signal processing, non-recursive digital filters are often known as Finite Impulse Response (FIR) filters, as a non-recursive digital filter has a finite number of coefficients in the impulse response h[n]. Examples:
- Non-recursive filter: y[n] = 0.5x[n − 1] + 0.5x[n]
- Recursive filter: y[n] = 0.5y[n − 1] + 0.5x[n] An important property
brand slug:
wiki
category slug:
encyclopedia
description:
Technique in mathematics and signal processing
original url:
https://en.wikipedia.org/wiki/Nonrecursive_filter
date created:
2015-04-29T10:13:31Z
date modified:
2024-08-31T19:53:03Z
main entity:
{"identifier":"Q25303872","url":"https://www.wikidata.org/entity/Q25303872"}
image:
fields total:
13
integrity:
15