Invertibility and inverses of linear time-varying digital filters
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posted on 2024-07-11, 13:27 authored by Song Wang, Cishen ZhangThis brief studies invertibility and inverses of linear time-varying digital filters in the form of ARMA equation with time-varying dynamic order and relative degree. It presents a necessary and sufficient condition for the d-shift invertibility of linear time-varying filters and a computational procedure for obtaining the d-shift left and right inverses. A necessary and sufficient condition for stability of inverse filters is given.
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1057-7130Journal title
IEEE Transactions on Circuits and Systems II: Analog and Digital Signal ProcessingVolume
47Issue
10Pagination
5 ppPublisher
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