WLS Design of M-D Complex-Coefficient FIR Filters with Low Group Delay using Second-Order Cone Programming

2021 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS)(2021)

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摘要
We propose a weighted least-squares (WLS) design method for multi-dimensional (M-D) complex-coefficient finite-extent impulse response (FIR) filters. We consider the general form of M-D FIR filters having arbitrary frequency responses and low group delays. We formulate the proposed WLS design as a second-order cone programming problem. Design examples confirm that the proposed method provides the state-of-the-art M-D FIR filter designs with almost constant group delay.
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关键词
Multi-dimensional, complex-coefficient, FIR filters, least-squares design, second-order cone programming
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