Two-Dimensional Partially Differential Cepstrum and Minimum-Phase Sequence Construction

被引：0

作者：

Pei, Soo-Chang ^{[1
]}

Lin, Huei-Shan ^{[2
]}

机构：

[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

[2] Natl Taiwan Univ, Grad Inst Commun Engn, Taipei 10617, Taiwan

来源：

2010 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS | 2010年

关键词：

FILTERS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new partially differential cepstrum is defined, which can be regarded as a new type of differential cepstrum. It saves half computational complexity compared with the previously defined differential cepstrum since only one dimension of partial derivative is considered. Nevertheless, this suffices for avoiding phase-unwrapping in complex-cepstrum calculation. As an application of complex cepstrum, we also introduce a windowing technique to construct the minimum-phase sequence from a mixed-phase one.

引用

页码：993 / 996

页数：4

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