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�������պ����ѧѧ�� 2006, Vol. 32 Issue (11) :1337-1340    DOI:
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Basic theory and its principled experiment of non-diffracting interference in aiming system
Wang Zhongyu, Zhou Cong, Zhang Duo*
School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� The non-diffracting technique was combined with the traditional Moire fringe interference technique and was applied firstly in the airborne opto-electronics system. A novel airborne aiming method was developed in basic theory and its principled experiment, the relevant aiming and tracking techniques were also proposed. This method could be carried out by adjusting the airborne opto-electronics system according to the deviation and variation of the interference patterns caused between the non-diffracting beam and objective circular gratings.The accurate aiming purpose could thus be completed. The newly developed aiming and its tracking techniques would not only be helpful to improve the dynamic responsibility, tracking accuracy and the reliability of the aiming pods, but also enhance the attacking ability with high accuracy during the offensive process. Therefore it can be used to provide the technical store for the new airborne weapon and its equipment.
Keywords�� airborne system   interference technique   non-diffracting beam   aiming   pattern detection     
Received 2006-04-30;

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About author: ������(1963-), ��, ����������, ����, mewan@buaa.edu.cn.
������, �ܴ�, �Ŷ�.������⼼������׼ϵͳ�е�������ԭ��ʵ��[J]  �������պ����ѧѧ��, 2006,V32(11): 1337-1340
Wang Zhongyu, Zhou Cong, Zhang Duo.Basic theory and its principled experiment of non-diffracting interference in aiming system[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2006,V32(11): 1337-1340
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