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| The Study of period adaptive filter for lptv system |
| Chen Zhe; Wang Hongyu; Qiu Tianshuang |
| School of Electron and Info. Eng., Dalian University of Technology Dalian 116023 China |
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Abstract In this paper, the cyclostationary property of output signal of the system is discussed, when a stationary(or cyclostationary) signal passes a linear period time variant(or time invariant) system. Two kinds of time variant adaptive filter are presented, which can be used in linear period time variant system. At same time, an algorithm for period of LPTV system is also presented. Simulation results indicate the efficiency of these algorithms.
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Received: 22 November 2001
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2003, Vol. 25 
