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Updated: Jul 24, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

覆盖平面三角形补丁天线和天线阵列与平面涂层元表面的遮

Shefali Pawar¹, Harry Skinner², Seong-Youp Suh²

¹Department of Electrical and Computer Engineering, University of Mississippi, Oxford, MS 38677-1848, USA.

Sensors (Basel, Switzerland)

|July 8, 2023

概括

这项研究引入了用于电磁隐形的超表面设计,遮蔽补丁天线以防止近距离干扰. 斗确保天线的性能好像是孤立的,即使在阵列中.

科学领域:

电磁学和元材料的使用
天线理论和设计.
电磁隐形是指电磁隐形的情况.

背景情况:

密集的天线布局,特别是等边补丁天线,由于子波长的分离而遭受破坏性干扰.
传统方法在密集的天线系统中难以减轻干扰,从而限制了它们的性能和应用.
电磁隐形的概念提供了一个新的方法来管理相邻的天线元件之间的电磁相互作用.

研究的目的:

提出并验证有效的超表面设计,用于遮蔽等边补丁天线及其阵列配置.
为了消除相邻的三角形补丁天线元件之间的破坏性干扰.
为了确保隐蔽天线保持其个体辐射特性,就好像在隔离状态下运行一样.

主要方法:

使用平面涂层元表面的地幔遮蔽技术的利用.
基于模拟的分析,以证明遮蔽效应及其对天线性能的影响.
扩展了超表面覆盖设计,使其成为一个由两个交联的补丁天线组成的单维阵列.

主要成果:

超表面罩使单个补丁天线在目标频率上彼此"看不见",消除了相互干扰.
蒙蔽天线成功地恢复了它们的原始辐射属性,模拟了孤立元素的性能.
超表面设计确保了交叉阵列中天线的高效匹配和辐射特征,使光束扫描能够独立辐射.

结论:

拟议的超表面设计有效地实现了对等边补丁天线的电磁隐形性.
这种技术通过减轻干扰,使密集的天线和天线阵列能够高性能运行.
开发的隐蔽解决方案对先进的天线系统具有重大影响,这些天线系统需要紧和高效的设计.

关键词:

隐蔽隐蔽隐蔽隐蔽隐蔽脱的脱方式 metasurfaces 是一个地表.相互干扰的相互干扰.补丁天线天线补丁天线

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