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�������պ����ѧѧ�� 2003, Vol. 29 Issue (2) :147-150    DOI:
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Radar Scattering Characteristic Test and Analysis of ��Two Stealth Aircraft Models
Zhang Yunfei, Ma Dongli, Wu Zhe, Zhang Kao*
Dept. of Flight Vehicle Design and Applied Mechanics, Beijing University of Aeronautics and Astronautics

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Abstract�� Radar scattering characteristics of two stealth fighter models were tested and analyzed. The models were stealed with the following procedures: controlling the radiating directions and numbers of main scatter sources, increasing the occupation ratio, surface metalizing, leaning the intake lips in three directions, and designing the gaps of the aileron as rhombus. The main results and conclusions are as follows: RCS values of both models are less than 1 m2, meaning that the stealth characteristic in nose direction is of great importance to the design of modern fighter. It is of benefit to stealth to reduce the number of scattering directions. Incomplete dihedral reflector constructed with the leaned tailer and wing, fuselage or stabilizer is a strong scattering source.
Keywords�� invisible aircraft   model tests   analysis   radar reflection     
Received 2001-12-06;
About author: ���Ʒ�(1964-),��,���ϳ�ɳ��,������,100083,����.
���Ʒ�, ����, ����, �ſ�.��������ɻ�ģ�͵��״�ɢ�����Բ��������[J]  �������պ����ѧѧ��, 2003,V29(2): 147-150
Zhang Yunfei, Ma Dongli, Wu Zhe, Zhang Kao.Radar Scattering Characteristic Test and Analysis of ��Two Stealth Aircraft Models[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2003,V29(2): 147-150
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