Second-order recursive digital-filter element for poles near the unit circle and the real z axis
- 23 March 1972
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 8 (6) , 155-156
- https://doi.org/10.1049/el:19720113
Abstract
An arrangement of a 2nd-order element for recursive digital filters is described which is particularly suitable when the desired poles are close to the unit circle and the real z axis in the z plane. Details are given for implementing the element using a single ‘multiply-and-add’ arithmetic unit.Keywords
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