Goubau-Line Leaky-Wave Antenna for Wide-Angle Beam Scanning From Backfire to Endfire

被引：53

作者：

Rudramuni, Karthi K. ^{[1
,2
]}

Kandasamy, Krishnamoorthy ^{[1
]}

Zhang, Qingfeng ^{[2
]}

Tang, Xiao-Lan ^{[2
]}

Kandwal, Abhishek ^{[2
]}

Rajanna, Puneeth Kumar Tharehalli ^{[1
]}

Liu, Haiwen ^{[3
]}

机构：

[1] Natl Inst Technol Karnataka, Dept Elect & Commun, Suarthkal 575025, India

[2] Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China

[3] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Shaanxi, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2018年 / 17卷 / 08期

关键词：

Efficiency; Goubau line; leaky-wave antenna (LWA); scanning; SPOOF SURFACE-PLASMON; TRANSMISSION-LINE; POLARITON; GUIDE;

D O I：

10.1109/LAWP.2018.2855702

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：

A Goubau-line leaky-wave antenna (LWA) with a large scanning angle is presented in this letter. In contrast to the conventional Goubau-line leaky wave with a small scanning angle range, this letter employed a periodically bending Goubau line, which not only brings in a periodic perturbation for leaky-wave radiation, but also enhances the scanning range due to the increased delay for each line element. The simulation and experimental results show that the proposed LWA provides 90% radiation efficiency and 7-10 dBi radiation gain from backfire to endfire through broadside as frequency changes. The proposed antenna features good radiation performance and has a compact and low-profile configuration.

引用

页码：1571 / 1574

页数：4

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