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Solution of the Problem of Diffraction by a Plane Screen in a Plane Layered Medium with the Help of the Method of Continued Boundary Conditions
Journal of Communications Technology and Electronics ( IF 0.4 ) Pub Date : 2020-07-28 , DOI: 10.1134/s1064226920060200
A. G. Kyurkchan , S. A. Manenkov

Abstract

The 3D problem of diffraction of the field of a point source by a plane screen located on the interface of a plane layered medium is considered. The algorithm of the numerical solution of this problem is developed on the basis of the method of continued boundary conditions. In particular, the case, when the screen is located on the interface between two media and on the upper boundary of a dielectric layer surrounded by identical dielectric half-spaces, is considered. The correctness of the obtained results is controlled by verifying the accuracy of the fulfillment of the optical theorem. The angular dependences of the scattering pattern are constructed for the screens having circular, rectangular, and elliptic shapes.



中文翻译:

借助连续边界条件方法解决平面分层介质中平面筛的衍射问题

摘要

考虑了位于平面分层介质的界面上的平面屏幕对点源场的衍射的3D问题。在连续边界条件方法的基础上,开发了该问题数值解的算法。特别地,考虑当屏幕位于两种介质之间的界面上以及被相同的电介质半空间包围的电介质层的上边界上的情况。通过验证光学定理的实现精度来控制所获得结果的正确性。对于具有圆形,矩形和椭圆形的屏幕构造散射图案的角度依赖性。

更新日期:2020-07-28
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