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本文提出一种综合了复射线和几何光学射线法优点的腔体结构电磁散射分析方法──高斯射线管方法讨论了单位平面波的高斯射线管模拟，以及高斯射线管在曲界面上的反射问题给出了用高斯射线管计算腔体结构散射的典型算例．
In this paper, a method of electromagnetic scattering analysis of cavity structure based on the advantages of complex ray and geometrical optical ray method is proposed. Gaussian ray tube method discusses the Gaussian ray tube simulation of unit plane wave and the reflection of Gaussian ray tube on the curved interface A typical example of calculating the scattering of a cavity structure using a Gaussian tube is presented.