High frequency beam diffraction by a dihedral corner reflector

被引：0

作者：

Mansour, MK ^{[1
]}

Suedan, GA ^{[1
]}

Jull, EV ^{[1
]}

机构：

[1] UAE AF Coll, Al Ain, U Arab Emirates

来源：

JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 1998年 / 12卷 / 05期

关键词：

D O I：

10.1163/156939398X00115

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Two dimensional beam diffraction by a 90 degrees-dihedral corner reflector with sides of finite length is analyzed. First the solution for an isotropic electric line source parallel to the corner and edges is obtained for high frequencies by the uniform geometrical theory of diffraction with shadow and reflection boundary positions identified. By introducing appropriate complex coordinates for the source position the solution for a beam directed at the corner is obtained. The shift of shadow and reflection boundaries is plotted for various source directivities. Numerical results for the effect of source directivity on the far field radiation patterns are also shown. The procedure can be extended to high frequency scattering by other finite polygonal structures.

引用

页码：565 / 584

页数：20

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