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中国科技大学无线电系,合肥
Published:1991
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[1]蒋嘉翔.用点匹配法解OSRC方程[J].电子学报,1991(02):57-62.
Jiang Jia Xiang. The Solution of the OSRC Equation by Using Point Matching Method[J]. Acta Electronica Sinica, 1991, (2): 57-62.
表面辐射条件(OSRC)法是一种将辐射边界条件直接应用于散射体表面以解决电磁散射问题的高频近似方法。本文使用点匹配法求解TE极化入射波的理想导电柱体的表面散射磁场所满足的OSRC方程。以圆柱及椭圆柱为例说明了OSRC方法适用于电大尺寸的及表面曲率半径较大的散射体
可提供良好的表面感应电流及雷达散射截面的结果。这种简便方法易于在工程上应用。
The on-surface radiation condition (OSRC) method which is based upon radiation boundary condition applied directly on the surface of a scatterer is a high-frequency approximate approach for electomagnetic scattering. In this paper the point matching method is used to solve OSRC equation for the scattering magnetic field on the surface of a perfectly conducting cylinder for TE polarized incident wave. The cases of circular and elliptic cylinders are used to show that OSRC method is suitable for scatterers with electrical-large dimension and large radii of curvature of the surface and yields good results for the surface current and the radar cross section. This method is simple and convenient for engineering applications.
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