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Published in:
1988 | OriginalPaper | Chapter
Design of Recursive Digital Filters
Author : Trevor J. Terrell
Published in: Introduction to Digital Filters
Publisher: Palgrave Macmillan UK
Included in: Professional Book Archive
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Recursive digital filters are commonly referred to as infinite impulse response (IIR) filters. The term recursive intrinsically means that the output of the digital filter, y(n)T, is computed using the present input, x(n)T, and previous inputs and outputs, namely, x(n − 1)T, x(n − 2)T,…, y(n − 1)T, y(n − 2)T,…, respectively.