IIR filters (Infinite Impulse Response)
Filtering: Theory and Practice Linear filtering: Digital filtering

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IIR filters (Infinite Impulse Response)
Filtering: Theory and Practice Linear filtering: Digital filtering

Author : Abdeldjalil OUAHABI

Publication date: January 10, 2021 | Lire en français

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3. IIR filters (Infinite Impulse Response)

3.1 Principle

An IIR or recursive filter is defined by the equation (23) linking input x(k) to output y(k), and its transfer function is given by the relation (24) .

It is interesting to consider the meaning of the term RII or infinite impulse response.

From the expression...

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