Dielectric-Resonator-Based Composite Right/Left-Handed Transmission Lines and Their Application to Leaky Wave Antenna

被引：50
|
作者：
Ueda, Tetsuya [1 ]
Michishita, Naobumi [2 ]
Akiyama, Masahiro [1 ]
Itoh, Tatsuo [3 ]
机构：
[1] Kyoto Inst Technol, Dept Elect, Kyoto 6068585, Japan
[2] Natl Def Acad, Dept Elect & Elect Engn, Kanagawa 2398686, Japan
[3] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2008年 / 56卷 / 10期
关键词：
Dielectric resonator; leaky wave antenna; periodic structures; rectangular waveguides;
D O I：
10.1109/TMTT.2008.2003524
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：
Propagation and radiation characteristics of I-D dielectric-resonator-based composite right/left-handed metamaterial structures with open mesh plates are investigated as a function of configuration parameters. The complex effective permittivity and permeability are estimated from the scattering parameters of the unit-cell structure. Based on this configuration, the single-mode transmission line is designed and the backfire-to-endfire frequency-scanned leaky wave antenna is implemented. It is found from numerical simulations that the 30-cell leaky wave antenna has a gain of 10 dBi with a scanning angle of over 900 covering backfire-to-endfire directions. The measurement results show as wide beam-steering angles as numerically predicted.
引用
收藏
页码：2259 / 2269
页数：11
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