一种紧凑的双极化超宽带微带贴片天线

2018 11th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies (UCMMT) Pub Date : 2018-09-01 DOI:10.1109/UCMMT45316.2018.9015914

Rike Jie, Z. Feng, Houjun Sun

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引用次数: 0

摘要

提出了一种紧凑的超宽带双极化微带贴片天线。天线的上贴片采用五边形结构，两个端口共用一个辐射贴片，减小了天线体积。五角形贴片通过t型槽提高了两个端口的隔离性和较高的极化纯度。天线的接地采用了缺陷接地结构，并采用了箭头形的短段来改善阻抗匹配，从而显著地延长了带宽。实测结果表明，该天线具有良好的阻抗匹配(S11< - 10dB)、高端口隔离(S21< - 15dB)和2.7GHz ~ 12GHz范围内的高极化纯度，是超宽带应用的理想选择。

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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A Compact Ultrawideband Microstrip Patch Antenna With Dual Polarization

A compact ultra-wideband dual-polarization microstrip patch antenna is proposed. The upper patch of the proposed antenna adopts a pentagonal structure, and two ports share one radiating patch to reduce the antenna volume. Pentagonal patch through the T-slot to improve the isolation of the two ports and the high polarization purity. The ground of the antenna uses a defective ground structure and an arrowhead-shaped stub to improve impedance matching in order to extend the bandwidth significantly. The measured results show that the proposed antenna has good impedance matching (S11<−10dB), high port isolation (S21<−15dB) and high polarization purity from 2.7GHz to 12GHz, which demonstrate the proposed antenna can be a good candidate for UWB applications.

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来源期刊

2018 11th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies (UCMMT)

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