Approximate processing for low-power digital filtering using variable canonic signed digit coefficients

被引:3
|
作者
Kim, YW
Yang, YM
Yoo, JT
Kim, SW
机构
[1] Korea Univ, Sch Elect Engn, Sungbuk Ku, Seoul 136701, South Korea
[2] Anyang Univ, Dept Elect Engn, Anyang Shi, Kyonggi Do, South Korea
关键词
D O I
10.1049/el:20000050
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
An alternative approximate processing method which dynamically adjusts the precision of the canonic signed digit (CSD) coefficients is proposed. This proposed method employs a two-stage search for finding approximated values of CSD coefficients. Experimental results show that the number of additions is reduced to 29.4%, 11.8%, and 3.9% for each approximation level.
引用
收藏
页码:11 / 13
页数:3
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