各向异性阻抗超表面上圆柱形相控阵模型的辐射场

2018 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus) Pub Date : 2018-01-01 DOI:10.1109/EICONRUS.2018.8317142

A. Semenikhin, A. I. Chernokolpakov

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引用次数: 1

摘要

本文建立并解决了输入分段均匀双旋涡覆盖的圆柱形各向异性阻抗超表面的激励问题。利用双侧阻抗边界条件介绍了覆盖的影响，用本征函数法得到了源总辐射远场的渐近表示。考虑了在阻抗谱上由输出电流带构成的圆柱相控阵模型。得到了天线阵的线性共极化和交叉极化的辐射方向图。结果表明，天线阵的辐射方向图和极化特性由圆柱质谱阻抗张量以显式形式确定，超表面可用于形成和控制相控阵的辐射极化。

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Radiation field of cylindrical phased antenna array model on anisotropic impedance metasurface

In the paper, the problem of excitation of cylindrical anisotropic impedance metasurface (MS) with input piecewise homogeneous bigyrotropic covering is formulated and solved. Influence of the covering is introduced with the two-sided impedance boundary conditions Asymptotic representation of total radiation far fields of the sources is found with eigen function method. Cylindrical phased antenna array model made of ribbons of exiting current on impedance MS with input covering is considered. Radiation patterns of the antenna array are obtained for linear co-polarizations and cross-polarizations. It is shown, that radiation patterns and polarization characteristics of the antenna array are determined in explicit form by tensor of impedance of cylindrical MS. Metasurface can be used to form and control radiation polarization of phased antenna array.

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来源期刊

2018 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus)

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