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题名:
Low refractive Metamaterials for gain enhancement of horn antenna
作者: Hui liang Xu ; Zeyu Zhao ; Yue guang Lv
刊名: International Journal of Infrared and Millimeter Waves
出版日期: 2008
卷号: 30, 期号:3, 页码:225-232
学科分类: 微细加工技术
文章类型: 期刊论文
中文摘要: A flat metamaterials (MTMs) structure with low refractive index is proposed as a cover in a high-gain horn antenna configuration. The MTMs is composed of two-layer metallic grids and slices of foam. For the characterization of the MTMs, the low refraction property is studied and the effective refractive index n ≈ 0.08 (12.0 GHz) is retrieved. The antenna gain and the radiation pattern are calculated. Because of the electromagnetic wave congregating effect of the MTMs, the gain of the horn with MTMs greatly increases (about 4 dB from 11.8 GHz–12.8 GHz) when compared with the conventional type. We conducted the experiments to verify the simulation results. The idea has a good potential application to the feed design of parabolas.
收录类别: 其他
语种: 英语
ISSN号: 0195-9272
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2025
Appears in Collections:微细加工光学技术国家重点实验室(开放室)_期刊论文

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Recommended Citation:
Hui liang Xu,Zeyu Zhao,Yue guang Lv. Low refractive Metamaterials for gain enhancement of horn antenna[J]. International Journal of Infrared and Millimeter Waves,2008,30(3):225-232.
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