Wave diffraction by the junction between resistive and soft-hard half-screens

被引：10
|
作者：
Umul, Yusuf Ziya [1 ]
机构：
[1] Cankaya Univ, Elect & Commun Dept, TR-06790 Ankara, Turkey
来源：
OPTIK | 2017年 / 130卷
关键词：
Diffraction; Sheet junction; High-frequency asymptotics; ARTIFICIALLY SOFT; PLANE; SCATTERING; IMPEDANCE; DISCONTINUITY; SURFACES; BOUNDARY;
D O I：
10.1016/j.ijleo.2016.10.133
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The scattering process of planes waves by a junction between resistive and soft/hard half-planes is investigated. First of all, the initial and total geometrical optics fields are determined by considering the related geometries. The scattered geometrical optics wave is obtained by subtracting the initial field from the total geometrical optics wave. The diffracted fields are derived by taking into account the behaviour of the geometrical optics wave at the reflection and shadow boundaries. The uniform expressions of the diffracted waves are constructed with the aid of the uniform theory of diffraction. The total field expressions are examined numerically. (C) 2016 Elsevier GmbH. All rights reserved.
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页码：750 / 756
页数：7
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