Temperature Dependence of Magnetoelectric Coupling Effect in Magnetoelectric Antenna

IF 4.8 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-03-30 DOI:10.1109/LAWP.2025.3575278

Jingwen Zheng;Ziye Wang;Yuhang Wang;Xiangwei Zhu;Du Li

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引用次数: 0

Abstract

The magnetoelectric (ME) antenna operating in very low frequency (VLF) and low frequency (LF) has become a new scheme for solving remote communication problems in special environments such as underwater and underground, owing to its small size. In actual tests, the operating temperature is a significant factor affecting the performance. In this work, we built a nonlinear magneto-thermal coupling model for the near-field radiation of the ME antenna. The model relates temperature to the magnetization, strain, stress, as well as the electric and magnetic fields in space. The radiation performance under different temperatures was discussed. The result shows that by setting an appropriate temperature, the radiation ability can be significantly improved. The radiation intensity reaches 16.7 nT at 15 Vrms at 1 m increased by 48.7% via increasing the operating temperature from 0 °C to 60 °C. At the same time, the maximum radiation distance reaches 5.49 m increased by 17.5%. In addition, the hysteretic phenomena are weak at low-temperature environments, and the ME antenna can maintain a linear resonance under a driving voltage ranging from 5 Vrms to 25 Vrms.

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磁电天线中磁电耦合效应的温度依赖性

工作在甚低频（VLF）和低频（LF）的磁电（ME）天线由于其体积小，已成为解决水下和地下等特殊环境下远程通信问题的一种新方案。在实际试验中，工作温度是影响性能的重要因素。本文建立了微波天线近场辐射的非线性磁热耦合模型。该模型将温度与空间中的磁化、应变、应力以及电场和磁场联系起来。讨论了不同温度下的辐射性能。结果表明，通过设定适当的温度，可以显著提高辐射能力。当工作温度从0℃提高到60℃时，在1 m处15 Vrms的辐射强度达到16.7 nT，提高了48.7%。同时，最大辐射距离达到5.49 m，增加了17.5%。此外，在低温环境下，ME天线的滞回现象较弱，在5 ~ 25 Vrms的驱动电压下，ME天线能保持线性谐振。

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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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.