Optimal filter reduction via a double projection

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Wei-Yong Yan, Lihua Xie

Published: 2000, Last Modified: 15 Nov 2024IEEE Trans. Signal Process. 2000EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: A double projection is introduced to approximate a given digital filter by a reduced-order filter so that the integral squared impulse response error between the two filters is minimized. Convergent algorithms are constructed for performing optimal order reduction.