Impact of Coated Ground-Plane Edge Diffractions on Amplitude Patterns of Circular Apertures

被引：7
|
作者：
Aboserwal, Nafati A. [1 ]
Balanis, Constantine A. [1 ]
Birtcher, Craig R. [1 ]
机构：
[1] Arizona State Univ, Sch Elect Comp & Energy Engn, Tempe, AZ 85287 USA
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2015年 / 14卷
关键词：
Coated aperture antenna; diffraction; geometrical optics; impedance wedge; surface waves; GEOMETRICAL-THEORY;
D O I：
10.1109/LAWP.2014.2360193
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：
The impact of finite dielectric-covered ground-plane edge diffractions on the amplitude patterns of circular apertures is investigated. The model is based on the Geometrical Optics (GO) and the Uniform Theory of Diffraction (UTD) for an impedance wedge. The circular aperture antenna is mounted on square and circular finite ground planes that are coated with a thin lossy dielectric layer. The predictions based on the GO/UTD model are validated by comparisons to experimental results and simulated data.
引用
收藏
页码：221 / 224
页数：4
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