双频双极化微带天线的去耦电路设计

2019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC) Pub Date : 2019-05-01 DOI:10.1109/IMBIOC.2019.8777776

Yulan Lin, Chunhong Chen, Shanjiang Dai, Xuanli Fu, Hang Lan

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引用次数: 0

摘要

提出了一种双频双极化微带天线的解耦设计方法。提出的天线使用四个角度可调的$\lambda/4$接地桩来抵消两个相邻元件之间的e平面耦合。此外，为了减小h面耦合，还插入了哑铃形缺陷地面结构。本文制作了天线原型，天线单元的边缘到边缘间距保持在$0.072\lambda_{0}$。实验结果表明，该设计有效地抑制了双频双极化天线的相互耦合。天线在5.2 GHz和6 GHz频段的隔离度分别提高了18.1 dB和20.8 dB。

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Decoupling circuit design for dual-band and dual-polarized microstrip antenna

This paper presents a decoupling design of dual-band and dual-polarized microstrip antenna. The proposed antenna uses four angle-adjustable $\lambda/4$ ground stubs to cancel out the E-plane coupling between two adjacent elements. Furthermore, the dumbbell-shaped defected ground structure is inserted to reduce the H-plane coupling. The prototype antenna was fabricated in this work where edge-to-edge separation of the antenna elements were kept at $0.072\lambda_{0}$. Experimental results verify that the proposed design effectively suppresses the mutual coupling of the dual-band and dual-polarized antenna. The isolation of the antenna at 5.2 GHz and 6 GHz is increased by 18.1 dB and 20.8 dB, respectively.

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来源期刊

2019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC)

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