双屏带阻频率选择表面的反射特性研究  

Research on Reflection Characteristics of Double Screen Band-Stop Frequency Selective Surface

作　　者：陈新邑[1] 万春明[1] 张凤东[1] 

机构地区：[1]长春理工大学理学院,长春130022

出　　处：《长春理工大学学报（自然科学版）》2012年第4期137-139,共3页Journal of Changchun University of Science and Technology(Natural Science Edition)

基　　金：教育部博士点基金(20092216120005)

摘　　要：设计了一种十字单元的带阻型双屏频率选择表面,并采用谱域法对其进行仿真研究。给出了中心频率及其反射系数随单元周期、入射电磁波的角度、介质厚度和介电常数的变化规律,为带阻型频率选择表面在天线副反射面中的应用提供设计依据。A double screen band-stop frequency selective surface with a cross unit is designed and its reflection characteristics is simulated by means of spectral domain method.The variations of center frequency and reflection coefficient with the cell cycle,the incident angle of the electromagnetic wave and the dielectric thickness and constant are given.In the field of antenna subreflector,the results of these studies provide theoretical support for application of band-stop frequency selection surface.

关 键 词：频率选择表面 谱域法 中心频率 副反射面 

分 类 号：TB332[一般工业技术—材料科学与工程]