PEMC与吸收半面交界面衍射的修正物理光学理论

IF 0.8 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Advanced Electromagnetics Pub Date : 2021-01-01 DOI:10.7716/aem.v10i2.1679

Y. Umul

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引用次数: 1

摘要

研究了完美导体与吸收半平面之间的界面对电磁平面波的散射。完美电导体半屏分为完美电导体半屏和完美磁导体半屏。吸收面也进行同样的分解。然后根据这种方法定义了四个独立的几何形状。利用修正的物理光学理论得到了这四个子问题的散射场。利用针对完美电磁导体和吸收面定义的关键公式，将所得散射积分组合成一个表达式。当波数较大时，对散射积分进行渐近求值，得到了衍射场和几何光学场。对导出的场表达式的行为进行了数值分析。

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Modified Theory of Physical Optics Approach to Diffraction by an Interface between PEMC and Absorbing Half-Planes

The scattering of electromagnetic plane waves by an interface, located between perfect electromagnetic conductor and absorbing half-planes is investigated. The perfect electromagnetic conductor half-plane is divided into perfect electric conductor and perfect magnetic conductor half-screens. The same decomposition is done for the absorbing surface. Then four separate geometries are defined according to this approach. The scattered fields by the four sub-problems are obtained with the aid of the modified theory of physical optics. The resultant scattering integrals are combined in a single expression by using key formulas, defined for the perfect electromagnetic conductor and absorbing surfaces. The scattering integral is asymptotically evaluated for large values of the wave-number and the diffracted and geometric optics fields are obtained. The behaviors of the derived field expressions are analyzed numerically.

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来源期刊

Advanced Electromagnetics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

2.40

自引率

12.50%

发文量

审稿时长

10 weeks

期刊介绍： Advanced Electromagnetics, is electronic peer-reviewed open access journal that publishes original research articles as well as review articles in all areas of electromagnetic science and engineering. The aim of the journal is to become a premier open access source of high quality research that spans the entire broad field of electromagnetics from classic to quantum electrodynamics.