High Accuracy Design and Realization of Fixed and Variable Allpass-based Fractional Delay Digital Filters

被引：0

作者：

Stoyanov, Georgi K. ^{[1
]}

Nikolova, Kamelia S. ^{[1
]}

Markova, Valentina I. ^{[1
]}

机构：

[1] Tech Univ Sofia, Fac Telecommun, Sofia 1000, Bulgaria

来源：

TELSIKS 2009, VOLS 1 AND 2 | 2009年

关键词：

Digital Filters; Fractional delay filters; Allpass filters; Low sensitivity; High Accuracy; IIR; 1-D;

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：

In this paper new methods for low-sensitivity design of allpass-based fixed and variable fractional delay filters are proposed. They are based on a sensitivity minimization of each individual first- and second-order allpass section in the cascade realization depending on their transfer function pole positions. Thus a higher accuracy of implementation and tuning, shorter wordlength and efficient multiplierless realizations are achieved.

引用

页码：167 / 176

页数：10

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