摘要
隐身技术的发展使武器装备的镜面散射得到了有效抑制,抑制表面波散射是进一步降低RCS的重要手段。分析了吸波材料厚度及电磁参数的变化与表面波衰减特性之间的关系。设计了一种蛇形图案结构并研究了此结构对材料表面波衰减性能的影响。通过对该材料/图形结构的优化设计,进一步研究了改进型蛇形图案吸波结构的表面波衰减性能。结果表明:吸波材料的电磁参数会对其表面波衰减性能产生一定影响,加载蛇形图案结构对表面波衰减性能有所改善,该吸波结构的改进设计可使表面波衰减性能进一步优化,其中表面波上限截止频率从4 GHz提高到8 GHz,为雷达吸波结构材料实现宽频带高表面波衰减提供了设计思路。
The development of stealth technology has effectively suppressed the specular scattering of the weapons and equipment,and the suppression of the surface wave scattering is an important approach to further reduce RCS.The relationship between the thickness&electromagnetic parameters of the absorbing material and the attenuation characteristics of the surface wave was analyzed.A snake-like structure was designed and the influence of the structure on the surface wave attenuation performance of the material was studied.The results show that the electromagnetic parameters of the absorbing material have certain impact on its surface wave attenuation performance,and the loading of the snake-like n structure could improve the surface wave attenuation performance.As a result,the surface wave upper cutoff frequency increased from 4 GHz to 8 GHz,which provides an idea for the broadband and high surface wave attenuation of the radar absorbing structure material.
作者
朱亚光
张珊
王蕾
蔡长旭
陆海鹏
ZHU Yaguang;ZHANG Shan;WANG Lei;CAI Changxu;LU Haipeng(National Engineering Research Center of Electromagnetic Radiation Control Materials,University of Electronic Science and Technology of China,Chengdu 611731,China)
出处
《电子元件与材料》
CAS
CSCD
北大核心
2022年第6期611-615,共5页
Electronic Components And Materials
基金
国家自然科学基金(51972046)。
关键词
表面波
吸波材料
衰减性能
吸波结构
surface wave
absorbing material
attenuation performance
absorbing structure
