| 频响改善的低功耗CIC抽取滤波器 |
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| 引用本文： | 刘全,高俊,黄高明,朱伟华. 频响改善的低功耗CIC抽取滤波器[J]. 解放军理工大学学报(自然科学版), 2011, 0(2): 114-118 |
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| 作者姓名： | 刘全 高俊 黄高明 朱伟华 |
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| 作者单位： | 海军工程大学电子工程学院;解放军92602部队; |
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| 基金项目： | 中国博士后科学基金资助项目(20080431379) |
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| 摘 要： | 针对传统递归型CIC(cascaded-integrated comb filters)抽取滤波器功耗较大、频率响应特性不理想的缺陷,设计了一种改进的非递归型CIC抽取滤波器.利用降序素数分解和多相分解使CIC滤波器以多级多相的低功耗结构实现,通过适当增大级联因子提高抽取器的混叠抑制比,同时利用一个2阶的SIN型补偿滤...
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| 关 键 词： | CIC抽取滤波器 素数分解 多相分解 补偿滤波器 |
Low power CIC decimator with improved frequency response |
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| LIU Quan,GAO Jun,HUANG Gao-ming and ZHU Wei-hua. Low power CIC decimator with improved frequency response[J]. Journal of PLA University of Science and Technology(Natural Science Edition), 2011, 0(2): 114-118 |
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| Authors: | LIU Quan GAO Jun HUANG Gao-ming ZHU Wei-hua |
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| Affiliation: | LIU Quan1,GAO Jun1,HUANG Gao-ming1,ZHU Wei-hua2(1.College of Electronic Engineering,Naval University of Engineering,Wuhan 430033,China,2.No.92602 Unit of PLA,Wenling 317523,China) |
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| Abstract: | A modified non-recursive CIC decimation filter was designed in order to lower the power consumption and improve the frequency response of the traditional recursive CIC decimator.Making use of the descending prime factorization and polyphase decomposition,the CIC decimation filter was transformed into a multistage polyphase structure with lower power consumption.The aliasing rejection could be improved by properly increasing the cascading order,and the corresponding passband droop was effectively compensated... |
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| Keywords: | CIC decimation filter prime factorization polyphase decomposition compensation filter |
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