Dual-beam steering microstrip leaky wave antenna with fixed operating frequency

被引：36
|
作者：
Li, Yuanxin [1 ]
Xue, Quart [1 ]
Yung, Edward Kai-Ning [1 ]
Long, Yunliang [2 ]
机构：
[1] City Univ Hong Kong, Wireless Commun Res Ctr, Kowloon, Hong Kong, Peoples R China
[2] Sun Yat Sen Univ, Dept Elect & Commun Engn, Guangzhou, Guangdong, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2008年 / 56卷 / 01期
基金：
中国国家自然科学基金;
关键词：
dual-beam; fixed-frequency; microstrip leaky-wave antenna (MLWA);
D O I：
10.1109/TAP.2007.913168
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 fixed-frequency dual-beam steering microstrip leaky-wave antenna is presented in this paper. A novel equation with finite-difference time-domain method is proposed to calculate the complex propagation constant of microstrip leaky-wave antenna. The microstrip leaky-wave antenna is excited by multiterminals. By control the novel feeding configuration, the microstrip leaky-wave antenna has the advantage of main lobe's dual-beam and steering at fixed-frequency. The main lobe steers from 41 degrees to 63 degrees for right beam and from 117 degrees to 139 degrees for left beam symmetrically when operating frequency fixes at 7 GHz. This new microstrip leaky-wave antenna can easily be used as collision avoidance or automobile radar system.
引用
收藏
页码：248 / 252
页数：5
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