A Novel Substrate Integrated Suspended Line Wideband Leaky-Wave Antenna

被引：23

作者：

Yan, Ningning ^{[1
]}

Ma, Kaixue ^{[1
]}

Zhang, Haobin ^{[2
]}

Jian, Ze ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Sichuan, Peoples R China

[2] China Elect Technol Grp Corp, Res Inst 29, Sci & Technol Elect Informat Control Lab, Chengdu 610036, Sichuan, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷

基金：

中国国家自然科学基金;

关键词：

Asymmetric feeding; leaky-wave antenna; substrate integrated suspended line (SISL); tapered;

D O I：

10.1109/LAWP.2017.2739143

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 novel compact wideband leaky-wave antenna based on substrate integrated suspended line is proposed. The proposed antenna is designed to be self-packaged format with five substrate layers and embedded air cavities. Asymmetric feeding is utilized to excite the first higher order mode. In order to achieve the suppression of backlobe and impedance matching, the tapered radiator with an etched slot is introduced. According to the measured results, the maximum antenna gain of 15.1 dBi and 50% fractional bandwidth from 7.5 to 12.5 GHz are obtained. Additionally, the self-packaged antenna has good radiation properties with low backlobe and sidelobe. The scanning angle of the measured main beam is about 44 degrees ranging from 10 degrees to 54 degrees.

引用

页码：2642 / 2645

页数：4

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