Side-lobe Reduction of Horn Antenna Using Circular Patch Mushroom-Like EBG Structure

被引：0

作者：

Hongnara, Tanan ^{[1
]}

Schraml, Korbinian ^{[2
]}

Chaimool, Sarawuth ^{[3
]}

Akkaraekthalin, Prayoot ^{[1
]}

Heberling, Dirk ^{[2
]}

机构：

[1] King Mongkuts Univ Technol North Bangkok, Dept Elect & Comp Engn, Wireless Commun Res Grp, Bangkok, Thailand

[2] Rhein Westfal TH Aachen, Inst High Frequency Technol, Aachen, Germany

[3] Udon Thani Rajabhat Univ, Elect Engn & Elect Technol, Udon Thani, Thailand

来源：

2016 GERMAN MICROWAVE CONFERENCE (GEMIC) | 2016年

关键词：

Horn Antenna; Electromagnetics Band Gap (EBG); Side-lobe reduction; Mushroom-like Structure;

D O I：

暂无

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：

This paper proposes a reconfigured horn antenna with reduced side-lobe radiation by using electromagnetic band gap (EBG) structure. A mushroom-like structure with a circular-shaped patch as unit cell is designed to achieve a complete EBG. The EBG structure is lined on the metal wall along the E-plane of the horn antenna. This causes the surface waves on the metal wall to be suppressed, resulting in lower side-lobe emission. A conducting wedge is inserted on the gap between the EBG structure and waveguide feed aperture to achieve impedance matching in the antenna. In addition, the proposed horn antenna is suitable for high power systems due to a purely metallic construction of the EBG structure.

引用

页码：413 / 416

页数：4

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