Modified Nonrecursive Comb Decimation Structure

被引：0
|
作者：
Dolecek, G. Jovanovic [1 ]
机构：
[1] Inst INAOE, Puebla, Pue, Mexico
来源：
2017 IEEE INTERNATIONAL CONFERENCE ON CONSUMER ELECTRONICS (ICCE) | 2017年
关键词：
FILTERS; DESIGN;
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：
This paper presents the nonrecursive comb decimation structure for the decimation factors which are the power of five. As a difference to CIC (Cascade-Integrator-Comb) structure which is area efficient, a nonrecursive structure is a power efficient. However, this structure has a low attenuation in the folding bands (bands around the zeros of comb filter), which can deteriorate the decimated signal. We proposed a modified structure in which a simple multiplierless filter is inserted in the last stage. The proposed method is based on exploiting the properties of the system function of the convolution of a comb filter with itself.
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页数：2
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