A reconfigurable leaky-wave/patch microstrip aperture for phased-array applications

被引：2
|
作者：
Sor, J [1 ]
Chang, CC [1 ]
Qian, YX [1 ]
Itoh, T [1 ]
机构：
[1] Univ Calif Los Angeles, Microwave Elect Lab, Los Angeles, CA 90095 USA
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2002年 / 50卷 / 08期
关键词：
leaky-wave antenna; patch antenna; phased array; reconfigurable aperture;
D O I：
10.1109/TMTT.2002.801313
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 reconfigurable leaky-wave/patch microstrip aperture is introduced and characterized. The structure consists of a long leaky-wave microstrip antenna that has been segmented into several smaller patch antennas. The multimode structure can be reconfigured into a patch antenna anywhere along the aperture of the leaky-wave antenna with two degrees of freedom. p-i-n-diode switches are utilized to switch between the different aperture configurations. The structure's unique field profile is utilized to minimize insertion loss in the leaky-wave mode and also to maximize isolation between the different aperture ports. Radiation patterns demonstrate excellent radiation characteristics consistent with standard leaky-wave and patch-antenna patterns. The reconfigurable leaky-wave/patch concept is applied to realize some unique multimode array configurations offering wide scan coverage and enhanced flexibility over traditional phased-array systems.
引用
收藏
页码：1877 / 1884
页数：8
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