Enhancing Frequency-Scanning Response of Leaky-Wave Antennas Using High-Impedance Surfaces

被引：45

作者：

Garcia-Vigueras, Maria ^{[1
]}

Luis Gomez-Tornero, Jose ^{[1
]}

Goussetis, George ^{[2
]}

Weily, Andrew R. ^{[3
]}

Guo, Y. Jay ^{[3
]}

机构：

[1] Tech Univ Cartagena, Dept Commun & Informat Technol, Cartagena 30202, Spain

[2] Queens Univ, Inst Elect Commun & Informat Technol, Belfast BT3 9DT, Antrim, North Ireland

[3] CSIRO, ICT Ctr, Epping, NSW 1710, Australia

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2011年 / 10卷

关键词：

Frequency beam scanning; high-impedance surfaces (HISs); leaky-wave antennas (LWAs);

D O I：

10.1109/LAWP.2011.2107492

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 use of high-impedance surfaces (HISs) to increase the frequency-scanning sensitivity of hollow leaky-wave antennas (LWAs) is presented. The LWA consists of a hollow rectangular waveguide with one of its narrow walls replaced by a partially reflective surface, and it is loaded with a metallodielectric HIS to increase its beam-scanning response. Theoretical results based on a simple transverse equivalent network illustrate the physical mechanism responsible for the improvement, and they are verified by experiments on a prototype working in the 11-16 GHz band.

引用

页码：7 / 10

页数：4

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