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Design of near allpass strictly stable minimal phase real valued rational IIR filters

By Charlotte Yuk-Fan Ho, Bingo Wing-Kuen Ling, Zhi-Wei Chi, Mohammad Shikh-Bahaei, Yan-Qun Liu and Kok-Lay Teo

Abstract

In this brief, a near-allpass strictly stable minimal-phase real-valued rational infinite-impulse response filter is designed so that the maximum absolute phase error is minimized subject to a specification on the maximum absolute allpass error. This problem is actually a minimax nonsmooth optimization problem subject to both linear and quadratic functional inequality constraints. To solve this problem, the nonsmooth cost function is first approximated by a smooth function, and then our previous proposed method is employed for solving the problem. Computer numerical simulation result shows that the designed filter satisfies all functional inequality constraints and achieves a small maximum absolute phase error

Topics: H600 Electronic and Electrical Engineering
Publisher: IEEE
Year: 2008
DOI identifier: 10.1109/TCSII.2008.922417
OAI identifier: oai:eprints.lincoln.ac.uk:2705

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Citations

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