有源频率选择表面及其电磁屏蔽应用研究进展  

Research Advances of Active Frequency Selective Surfaces and Their Applications to Electromagnetic Shielding

作　　者：樊宇迪 李达 李尔平 Fan Yudi;Li Da;Li Erping

机构地区：[1]浙江大学信息与电子工程学院

出　　处：《安全与电磁兼容》2024年第5期9-21,共13页Safety & EMC

基　　金：国家自然科学基金(62201499、62071424和62027805);浙江省自然科学基金(LQ23F010019)。

摘　　要：随着智能通信技术的发展,对高性能天线系统的需求不断增加,这些系统的可重构特性对天线电磁屏蔽设计提出了更高要求。频率选择表面(FSS)因其在电磁波调控方面的优势,成为解决天线系统电磁屏蔽问题的研究热点。有源频率选择表面(AFSS)通过引入新型材料和可调器件,实现了多功能、可调控的电磁屏蔽,相比于性能固定的传统FSS更适合于应对复杂电磁环境。文章综述了国内外关于可切换FSS、可调FSS及多功能可重构FSS的研究进展以及作者团队在该领域的主要贡献,并探讨了AFSS在天线系统电磁屏蔽设计中的应用及未来发展趋势,旨在为基于AFSS的电磁防护相关设计提供思路和指导。With the advancement of intelligent communication technologies,the demand for high performance antenna systems has significantly increased.The reconfigurable characteristics of these systems impose stringent requirements on the electromagnetic shielding design of antennas.Frequency Selective Surfaces(FSS)have emerged as a focal point in research,offering superior capabilities in the manipulation of electromagnetic waves,making them crucial for resolving electromagnetic shielding challenges in antenna systems.Active Frequency Selective Surfaces(AFSS),by incorporating advanced materials and tunable components,have enabled multifunctional and adjustable electromagnetic shielding,making them more adept at navigating complex electromagnetic environments compared to traditional FSS with fixed performance.This paper provides a comprehensive review of the research progress on switchable,tunable,and multifunctional reconfigurable FSS,along with the contributions of the authors'team in this domain.Additionally,it explores the applications and future trajectories of AFSS in the design of electromagnetic shielding for antenna systems,offering insights and guidance for the development of electromagnetic protection strategies based on AFSS.

关 键 词：有源频率选择表面 电磁屏蔽设计 天线 

分 类 号：TN03[电子电信—物理电子学] TN820