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《Ordnance Industry Automation》 2010-01
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Adaptive Filter Based on DSP Signal Processing System

CUI Xu-tao1,2, YANG Ri-jie2, HE You2 (1. Dept. of Scientific Research, Naval Aeronautical & Astronautical University, Yantai 264001, China; 2. Research Institute of Information Fusion, Naval Aeronautical & Astronautical University, Yantai 264001, China)  
In order to achieve the best filtering effect, on the basis of researching of adaptive filter architecture and algorithm, building the hardware platform of verify signal processing algorithm using DSP, A/D and D/A technology, and through DSP software programming done Engineering realization of adaptive filtering algorithm, then filter effect of LMS adaptive filter algorithm is verified and analyzed. Tests show that performance of adaptive filter descends with the descending of the SNR, and when the SNR is 0dB, LMS adaptive filtering algorithm cannot realize filtering function.
【Fund】: 国家自然基金资助项目(60572161)
【CateGory Index】: TN713
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【Citations】
Chinese Journal Full-text Database 4 Hits
1 Ye Hua, Wu Boxiu(Dept.of Radio Engineering, South-East University, Nanjing);The Study on a Variable Step Size Adaptive Filtering Algorithm[J];Acta Electronica Sinica;1990-04
2 GAO Ying,XIE Sheng-li (Dept.of Electronic and Communication Engineering,South China University of Tech nology,Guangzhou,Guangdong 510641,China);A Variable Step Size LMS Adaptive Filtering Algorithm and Its Analysis[J];Acta Electronica Sinica;2001-08
3 Qin Jingfan; Ouyang Jingzheng(Res. Inst. of Radio and Automatic Control,South China Univ of Tech Guangzhou,510641.);A Novel Variable Step Size LMS Adaptive Filtering Algorithm Based on Sigmoid Function[J];JOURNAL OF DATA ACQUISITION & PROCESSING;1997-03
4 Deng Jicai;Pei Bingnan;A New Method to Determine the Threshold Value of Step-Size for LMS Algorithm[J];Signal Processing;1996-03
【Secondary Citations】
Chinese Journal Full-text Database 4 Hits
1 Ye Hua, Wu Boxiu(Dept.of Radio Engineering, South-East University, Nanjing);The Study on a Variable Step Size Adaptive Filtering Algorithm[J];Acta Electronica Sinica;1990-04
2 Wu Guangbi;Zhu Linyu(Dept.of Radio Electronics,Sichuan University,Chengdu 610064);A LMS Adaptive Filtering Algorithm with Variable Step Size[J];ACTA ELECTRONICA SINICA;1994-01
3 Qin Jingfan; Ouyang Jingzheng(Res. Inst. of Radio and Automatic Control,South China Univ of Tech Guangzhou,510641.);A Novel Variable Step Size LMS Adaptive Filtering Algorithm Based on Sigmoid Function[J];JOURNAL OF DATA ACQUISITION & PROCESSING;1997-03
4 Pei Bingnan(Zhengzhou University, Zhengzhou 450052);On Convergence and Selecting Step-Size for LMS Algorithm[J];JOURNAL OF CHINA INSTITUTE OF COMMUNICATIONS;1994-04
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