利用寄生单极子抑制贴片天线阵列的光栅瓣

2020 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM) Pub Date : 2020-11-23 DOI:10.1109/ICMIM48759.2020.9298984

Wasim Alshrafi, D. Heberling

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引用次数: 0

摘要

本文提出了一种抑制由大间距贴片单元组成的天线阵列的光栅瓣的技术。该解决方案是基于利用寄生单极子修改贴片辐射方向图来抑制天线阵列的光栅瓣。对组合结构进行了分析。单极子的存在由于它们之间的耦合而改变了贴片辐射方向图。对这种耦合以及单极子上的感应电流进行了解析计算。研究了不同分离距离和单极子尺寸下的耦合行为。然后用它来计算单天线单元和天线阵列的总辐射方向图。最后，通过全波仿真对结果进行了验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Grating Lobes Suppression of Patch Antenna Arrays Using Parasitic Monopoles

This work presents a technique to suppress the grating lobes of the antenna arrays that consists of large separated patch elements. The solution is based on modifying the patch radiation pattern using a parasitic monopole to suppress the grating lobes of the antenna array. The analysis of the combined structure is presented. The presence of the monopole modified the patch radiation pattern due to the coupling between them. This coupling as well as the induced current on the monopole are analytically calculated. The study provides the behaviour of the coupling for different separation distances and monopole dimensions. Then it is used to calculate the total radiation pattern of the single antenna element as well as the antenna array. Finally, the results are verified by the full-wave simulation.

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2020 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM)

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