压电陶瓷的电磁优化及其在机械天线中的应用

IF 3.8 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IET Nanodielectrics Pub Date : 2024-01-18 DOI:10.1049/nde2.12077
Song Gao, Liwei Wang, Jingtong Lu, Shuai Zhang, Hongyu Sun, Kai Huang, Jianchun Xu, Yanan Hao
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引用次数: 0

摘要

机械天线能够解决传统电动天线在低频工作时体积大、能耗高的难题,因此备受关注。本文介绍了一种结构紧凑、性能稳定的机械天线设计。该天线采用圆柱形压电陶瓷制成,其尺寸小于波长的 1/1000。我们仔细研究了天线馈电面积和材料厚度对辐射性能的影响,并对这些影响进行了详尽的论述。实验测量证明了低频通信系统中信号编码、传输和接收的实用功能。值得注意的是,在频率为 288 kHz 时,使用二进制信息编码,单个拟议的天线可实现 60 米的有效信息传输距离。这一引人注目的成果凸显了这一设计在促进低频应用领域便携式、低成本无线通信设备开发方面的潜力。
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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Electromagnetic optimization of piezoelectric ceramic and its application in mechanical antenna

Mechanical antennas have garnered considerable attention due to their ability to address the challenges posed by the significant size and high energy consumption associated with traditional electric antennas when operating at low frequencies. Here, a compact and structurally stable mechanical antenna design is presented. The proposed antenna is constructed using cylindrical piezoelectric ceramics, which have dimensions smaller than 1/1000 of the wavelength. The scrutiny of the influence exerted by the antenna feed area and material thickness on the radiation performance was undertaken, followed by an exhaustive discourse on these effects. Experimental measurements demonstrate the practical functionalities of signal coding, transmission, and reception in the low-frequency communication system. Notably, at a frequency of 288 kHz, a single proposed antenna achieves an effective information transmission distance of 60 m using binary information coding. This remarkable outcome underscores the potential of this design in facilitating the development of portable and cost-effective wireless communication equipment for low-frequency applications.

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来源期刊
IET Nanodielectrics
IET Nanodielectrics Materials Science-Materials Chemistry
CiteScore
5.60
自引率
3.70%
发文量
7
审稿时长
21 weeks
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