用复射线展开法分析目标的雷达截面
ANALYSIS OF TARGET RCS BY COMPLEX RAY EXPANSION
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摘要: 本文根据复射线分析和场的高斯波束展开,提出了一种计算复杂目标电磁散射特性的简便方法。由于复射线法不受目标形状的限制,因此该方法可用于任意形状的目标。本文以矩形进气道为例,进行了雷达截面分析计算,并将计算值与测试值比较,结果表明这种方法是可行的。Abstract: Based on the complex ray method and source expansion with a set of Gaussian beams, a new method for analysis and calculation of radar cross-section (RCS) of a complex target is presented. This method can be used for arbitrary shaped object, because complex ray analysis is not limited by the shape of object. A hollow rectangular pipe as a model of an air intake is investigated. The effectivenejs of this method can be proved from the comparison of calculated and measured results.
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L. B. Felsen, J. Opt. So c. Am. A; 3(1986)4, 486-496.[2]阮颖铮,通信学报,8(1987 )4,49-57.[3]阮颖铮,成都电讯工程学院学报,16(1987)1,28-33.[4]A.J. Bogush, Jr., R. E. Elkins, IEEE Trans. on AP, AP-34(1986)2, 228-243.[5]M.J. Bastiaans, Optik, 57(1980)1, 95-102.[6]Y.Z. Ruan, L. B. Felsen, J. Opt. Soc. Am. A, 3(1986)4, 566-579.[7][7][8]H. R. Wit t, E. L. Price, Proc. IEE, 115(1968)1, 94-100.[9]郭荣伟,舒永泽,隐身式进气道机理与应用研究(1),南京航空学院内部报告,1987年. -
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