Lower RCS directional antenna by left-handed material

被引：0
|
作者：
Rui-xin Wu
Jiang Zhu
Li-rong Tan
Yan Gu
机构：
[1] Nanjing University,School of Electronic Science and Engineering
来源：
Applied Physics A | 2012年 / 109卷
关键词：
Cylindrical Shell; Line Source; Light Spot; Negative Refraction; Aperture Size;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We theoretically study the radiation of a current line source with a surrounding cylindrical shell of left-handed material (LHM). The far-field radiation pattern is obtained by solving the Maxwell equation in a cylindrical coordinate, which show that this radiation system has good directional emission characteristics and can be used as a directive antenna. The directive emission is explained due to the negative refraction and the focus effect occurring at the interface of the LHM shell. Compared with the parabolic reflector antenna with the same aperture size, our antenna has lower radar cross-section (RCS) in a broadband frequency range, providing a way to realize lower RCS antenna.
引用
收藏
页码：955 / 959
页数：4
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