✦ LIBER ✦

Linear periodically time-varying discrete-time systems: Aliasing and LTI approximations

✍ Scribed by Tongwen Chen; Li Qiu

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 516 KB
Volume: 30
Category: Article
ISSN: 0167-6911
DOI: 10.1016/s0167-6911(97)00006-6

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✦ Synopsis

Linear periodically time-varying (LPTV) systems are abundant in control and signal processing; examples include multirate sampled-data control systems and multirate filter-bank systems. In this paper, several ways are proposed to quantify aliasing effect in discrete-time LPTV systems; these are associated with optimal time-invariant approximations of LPTV systems using operator norms. @ 1997 Elsevier Science B.V.

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