一种解耦圆极化微带天线阵列的t形缺陷接地结构

2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI) Pub Date : 2021-12-04 DOI:10.1109/APS/URSI47566.2021.9703934

Zi-Liang Li, Z. Xing, Jian-ying Li

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引用次数: 0

摘要

为了减小双馈点圆极化微带天线间的相互耦合，提出了一种新型的t形缺陷接地结构。在本文中，相同极化口之间的相互耦合在并联和串联布置下分别降低了12.8dB和7dB。增益和辐射效率分别从7.2dB和94.6%提高到7.58dB和95.6%。轴比也从1.74dB优化到0.36dB。

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A T-shaped defected ground structure for decoupling circularly polarization microstrip antenna array

A novel T-shaped defected ground structure (DGS) is presented to reduce the mutual coupling between dual feed points circularly polarization microstrip antennas. In this paper, the mutual coupling between the same polarization ports decreases by 12.8dB and 7dB in parallel and series arrangement, respectively. The gain and radiation efficiency are increased from 7.2dB to 7.58dB and from 94.6% to 95.6%, respectively. The axial ratio has also been optimized from 1.74dB to 0.36dB.

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来源期刊

2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)

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