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Updated: Feb 28, 2026

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

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Published on: June 7, 2019

基于AMC的PD Koch互补断层超高频天线基于AMC的Metasurface天线

Haonan Zhang¹, Dapeng Han¹, Minghan Ke¹

¹Hubei Engineering Research Center for Safety Monitoring of New Energy and Power Grid Equipment, Hubei University of Technology, Wuhan 430068, China.

Sensors (Basel, Switzerland)

|February 27, 2026

概括

这项研究引入了一种新的科赫碎形天线,通过人工磁导体 (AMC) 地表增强. 这种设计显著提高了用于电力设备监控的超高频 (UHF) 传感器的增益和性能.

科学领域:

电气工程电气工程
电磁学电磁学电磁学电磁学
天线理论天线理论

背景情况:

超高频 (UHF) 传感器对于在电力设备中检测部分放电 (PD) 是至关重要的.
现有的传感器需要对PD辐射的电磁波具有高灵敏度.
碎形天线提供独特的电磁性质,以提高性能.

研究的目的:

开发一种高灵敏度的超高频天线,用于部分放电检测.
为了提高UHF断形天线的增益和性能,使用人造磁导体 (AMC) 超表面.
为了研究与AMC超表面集成的科赫补充分形天线的有效性.

主要方法:

使用代函数系统 (IFS) 和亲属转换,创建了一个可补的科赫分形天线模型.
一个AMC超表面的设计是为了利用相位反射来增强天线增益.
采用多维参数联合优化方法来微调天线 - 地表系统.

主要成果:

装有AMC超表面的天线显示了改善的电压静止波比 (VSWR).
在低频带和高频带中观察到显著的增益增强.
平均增益增加了35.19% (0.3-1.5 GHz),峰值增益增强了120% (达到~11.5 dB).

结论:

拟议的科赫补充碎形超高频天线与AMC超表面有效地满足了高灵敏度要求.
集成的AMC metasurfaces提供了一个可行的策略,大幅改善天线增益.
这种增强的天线设计有望在电力变电站中进行先进的部分放电监测.

关键词:

科赫的天线天线变质表面操纵变质表面操纵部分放电部分放电动力设备的动力设备.超高频的频率是超高频的

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