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Closed-Form Recursive Estimation for Parameters of Almost Periodic MA Signal

LI Hong wei 1,YUAN Bao zong 2 (1 Department of Mathematics and Physics,China University of Geosciences,Wuhan 430074,China; 2 Institute of Information Science,Northern Jiaotong University,Beijing 100044,China)  
This paper deals with the closed form recursive estimation for parameters of almost periodic moving average (APMA) signal using higher order cyclic statistics.Two groups of representation formulas relating the coefficients of APMA signal and odd order time varying cumulants are established,from which two direct algorithms are presented for estimating parameters of APMA signal.As a consequence,the closed form recursive formulas of APMA coefficients are derived.Simulations are given to illustrate the performance of the presented methods.
【Fund】: 国家自然科学基金!(No.6978930 1 )
【CateGory Index】: TN911
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1 LI Hong-wei; YUAN Bao-zong(Department of Mithermatics and Physics, China University of Geoscience, Wuhan 430074, ChinaInstitute of Information Science,Northern Jiaotong University,Beijing 100044, China );Identification of Almost Periodic Time-Varying MA Systems[J];ACTA ELECTRONICA SINICA;1999-12
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1 HUANG Zhong-hua1,2,YIN Ze-yong2,DING Wen-qiang2 (1.College of Mechanical and Electricity,Central South University,Changsha Hunan 410083;2.China Aviation Power Plant Research Institute,Zhuzhou Hunan 412002);Research on Vibration Signal Feature of Helicopter Gearbox's Fault Gear[J];Journal of Changsha Aeronautical Vocational and Technical College;2007-03
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