满足规定规格的双通道FIR QMF库的设计

Proceedings of the Fifteenth National Radio Science Conference. NRSC '98 (Cat. No.98EX109) Pub Date : 1998-02-24 DOI:10.1109/NRSC.1998.711468

A. Tawfik, E. Abdel-Raheem

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引用次数: 1

摘要

提出了一种满足规定重构和阻带误差的双通道线性相位FIR QMF组的设计方法。该方法结合了基于Chen和Lee(1992)提出的迭代方法的QMF银行加权极小极大设计，并在Sunder和Ramachandran(1994)提出的加权最小二乘(WLS)更新方案的基础上进行了一定的修改。该方法简单，并给出了设计实例。

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Design of two-channel FIR QMF banks satisfying prescribed specifications

A method is proposed for the design of two-channel linear-phase FIR QMF banks satisfying prescribed reconstruction and stopband errors. The method is integrated with a weighted minimax design of QMF banks based on an iterative method proposed by Chen and Lee (1992) with certain modifications based on the weighted least-squares (WLS) updating scheme proposed by Sunder and Ramachandran (1994). The method is simple and a design example is presented.

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Proceedings of the Fifteenth National Radio Science Conference. NRSC '98 (Cat. No.98EX109)

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