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Circuital characteristics and radiation properties of an UWB electric-magnetic planar antenna for Ku-band applications

机译:用于Ku频段的UWB电磁平面天线的电路特性和辐射特性

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摘要

A planar, directive antenna with large fractional bandwidth is introduced in this paper. A detailed discussion on the proposed antenna topology and its architecture is reported. The proposed element is a combination of a patch and a loop radiator. A proper combination of the electric field radiator (patch) with a magnetic field radiator (loop around the patch) is exploited for expanding the operational bandwidth. A parametric study is presented to investigate the effect of the antenna geometrical parameters on its performance. A general and computationally efficient procedure for extracting the antenna equivalent circuit is described and used to achieve a meaningful circuit theory-based insight into the characteristics of the radiating structure. The theoretical and experimental results are compared, and it is demonstrated that the element features over 100% fractional bandwidth, good impedance matching, and unidirectional and stable radiation patterns.
机译:本文介绍了一种具有较大分数带宽的平面定向天线。报告了对建议的天线拓扑及其架构的详细讨论。提出的元素是贴片和环形辐射器的组合。利用电场辐射器(贴片)和磁场辐射器(贴片周围的环)的适当组合来扩展操作带宽。提出了一项参数研究,以研究天线几何参数对其性能的影响。描述了提取天线等效电路的通用且计算有效的过程,该过程用于对辐射结构的特性进行有意义的基于电路理论的洞察。比较了理论和实验结果,结果表明该元件具有超过100%的分数带宽,良好的阻抗匹配以及单向且稳定的辐射方向图。

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