一种用于宽带雷达MIMO天线的紧凑型解耦结构

2020 International Conference on Green and Human Information Technology (ICGHIT) Pub Date : 2020-02-01 DOI:10.1109/icghit49656.2020.00020

D. A. Tuan, Le Quang Tu, D. T. Thanh Tu, N. V. Hung, Lam Hong Thach, Nguyen Hong Vu

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引用次数: 0

摘要

本文提出了一种新型的解耦结构，用于抑制距离为0.1457 λ的MIMO天线单元间的相互耦合。基于梯度线的设计减小了大频率范围内的互耦，在雷达应用的常规工作频率9.5GHz附近实现了800MHz以上。利用等效电路对该结构进行了分析，并将其应用于MIMO和阵列天线设计中，以减少相互耦合和辐射方向图失真。给出了实测结果，与模拟结果吻合较好。

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 Decoupling Structure Applied in MIMO Antennas for Wideband Radar Applications

In this paper, a novel decoupling structure is proposed to depress mutual coupling among closely-spaced elements of MIMO antenna, for the distance of 0.1457 lamda. Basing on gradient line, the proposed design has reduced mutual coupling in a wide range of frequency, for over 800MHz around 9.5GHz, the conventional operating frequency of radar application. The proposed structure was analyzed using equivalent circuit and applied in MIMO and array antenna designs to reduce mutual coupling and distortion of radiation pattern. The measured results were also presented and are agreed well with simulated ones.

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2020 International Conference on Green and Human Information Technology (ICGHIT)

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