宽带高定向天线设计的新型元曲面

2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI:10.1109/METAMATERIALS.2014.6948635

K. Konstantinidis, A. Feresidis

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引用次数: 0

摘要

提出了一种用于宽带高定向法布里-珀罗型天线设计的元曲面。所提出的结构基于新型优化的多层周期表面，可以产生具有增强带宽性能的多个亚波长腔。设计并优化了两个不同尺寸的双层周期阵列，每个双层阵列由一个人工磁导体(AMC)和印刷在介电衬底两侧的部分反射表面(PRS)组成。两个双层超表面被放置在距离地平面约四分之一波长处，并且彼此之间。得到了18.3dBi指向性和8% 3db辐射带宽的天线。

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Novel meta-surfaces for the design of broadband highly directive antennas

Novel meta-surfaces for designing broadband highly directive Fabry-Perot type antennas are presented. The proposed structure is based on novel optimized multi-layer periodic surfaces that create multiple sub-wavelength cavities with enhanced bandwidth performance. Two double-layer periodic arrays of dissimilar dimensions are designed and optimized, each double-layer array consisting of an Artificial Magnetic Conductor (AMC) and a Partially Reflective Surface (PRS) printed on either side of a dielectric substrate. The two double-layer metasurfaces are placed at about quarter wavelength from a ground plane and from each other. An antenna of 18.3dBi directivity and 8% 3-dB radiation bandwidth is obtained.

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2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics

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