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《Journal of Data Acquisition and Processing》 2011-01
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Low Complexity HBCEM FRM Polyphase Filter Bank

Luo Wenyu,Jin Liang,Huang Kaizhi,Zhang Lizhi(College of Information Engineering,Information Engineering University of PLA,Zhengzhou,450002,China)  
Aimed at the problem of high computation complexity by the narrower of sub-channel transition,the essential reason of HBCEM FRM filter for high efficiency is analyzed.Then,combining with the thought of multiphase filtering,two HBCEM FRM uniformity filter banks are proposed by using HBCEM FRM filter as a prototype filter.The filter banks have lower computation complexity than conventional FRM filter bank when the transition bandwidth of the prototype filter is sharp.Finally,the complexity analysis and the design example are used to illustrate the feasibility.
【Fund】: 国家科技重大专项(2009ZX03006-007)资助项目;; 国家高技术研究发展计划(“八六三”计划)(2009AA011202 2009AA011205)资助项目
【CateGory Index】: TN713
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Chinese Journal Full-text Database 1 Hits
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