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�������պ����ѧѧ�� 2003, Vol. 29 Issue (8) :734-736    DOI:
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DS/FH���ϵͳ³������Ӧ�����ż���
���̳�, �۶���, �����*
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Robust adaptive interference rejection in DS/FH hybrid system
Liu Jicheng, Shao Dingrong, Li Shujian*
School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� According to robust estimator theory, an adaptive filter based on generalized M estimation was used to reject partial band interference in DS/FH hybrid communication system, and the robust adaptive algorithm was deduced. The performance of two M estimation functions (Huber function and Tri-weight function) which are widely used in M estimation was also compared. Monte Carlo simulation results indicate that the performance of DS/FH system using robust adaptive filter is improved remarkably in nonstationary interference environment ,and the performance of Tri-weight function excels the Huber function's obviously.
Keywords�� spread spectrum communication   robustness   adaptive filtering   generalized M estimation   partial band interference     
Received 2002-06-17;
About author: ���̳�(1970-),��,��������ˮ��,��ʿ��, ljcyjh@163.com.
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���̳�, �۶���, �����.DS/FH���ϵͳ³������Ӧ�����ż���[J]  �������պ����ѧѧ��, 2003,V29(8): 734-736
Liu Jicheng, Shao Dingrong, Li Shujian.Robust adaptive interference rejection in DS/FH hybrid system[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2003,V29(8): 734-736
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