基于液态金属开关的方向图可重构天线仿真设计

2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI) Pub Date : 2022-07-10 DOI:10.1109/AP-S/USNC-URSI47032.2022.9886113

Yuwei Zhang, Shu Lin, Bingqing Li, Q. Ding, Zhenyi Fan, Xingqi Zhang

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引用次数: 0

摘要

本文提出了一种基于液态金属开关的方向图可重构天线。该天线主要由印刷的三元八木天线组成，其反射面在中间加载了一个槽。微流体通道，充满一个可移动的液态金属柱和应用作为操纵开关，连接到反射器的表面。由于辐射臂与液态金属柱之间的耦合连接，通过移动柱可以使狭槽短路或打开，从而导致辐射元件之间的超前和相位滞后发生变化。因此，可以调整天线的辐射方向图。CST Microwave Studio®的仿真结果表明，最大辐射方向可以改变180°左右，天线在两种工作状态下都可以工作在2.4 GHz。

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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Simulation Design of Pattern Reconfigurable Antenna Based On Liquid Metal Switch

In this paper, a pattern reconfigurable antenna based on a liquid metal switch is proposed. The antenna is mainly composed of a printed three-element Yagi-Uda antenna whose reflector is loaded with a slot in the middle. A microfluidic channel, filled with a movable liquid metal post and applied as a manipulating switch, is attached to the surface of the reflector. Due to the coupled connection between the radiating arms and liquid metal post, the slot can be shorted or opened by moving the post, leading to changes in the lead and lag of phases between the radiating elements. Thus, the radiation pattern of the antenna can be adjusted. The simulated results achieved by CST Microwave Studio® indicate that the direction of the maximum radiation can be changed by about 180°, and the antenna can operate at 2.4 GHz at two working states.

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来源期刊

2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)

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