雷电脉冲辐照下有孔矩形腔体电磁屏蔽效能研究  

Research on Electromagnetic Shielding effectiveness of Rectangular Cavity with Holes Irradiated by Lightning Pulse

作　　者：岳利[1] 官伯然[1] 

机构地区：[1]杭州电子科技大学电子信息学院,浙江杭州310018

出　　处：《山东科技大学学报（自然科学版）》2011年第1期68-70,共3页Journal of Shandong University of Science and Technology(Natural Science)

基　　金：国家自然科学基金项目(60971057);国家高技术研究发展计划("863"计划)重点项目(2009AA110303)

摘　　要：应用混合FDTD方法研究雷电脉冲照射下有孔矩形腔体的屏蔽机理,精确预测腔体的屏蔽效能,对高性能屏蔽腔体的设计具有重要意义。通过研究不同雷电脉冲参数、腔体表面开有不同孔阵、不同腔体尺寸以及不同入射脉冲极化角的金属腔体的屏蔽效能,说明金属腔体在用作电磁防护时应采取的具体措施。It is of great significance to research the shielding mechanism of the metallic cavity with holes irradiated by lightning pulse and to accurately predict the cavity shielding effectiveness for the design of high performance shielded cavity by applying the FDTD methods.The research of the cavity shielding effectiveness in different pulse parameters,different hole arrays at the cavity surface,different cavity sizes and different polarization angles of incident pulses showed that specific measures should be taken for the metallic cavity to be used as electromagnetic protection.

关 键 词：雷电电磁脉冲 金属腔体 屏蔽效能 时域有限差分方法 

分 类 号：TN03[电子电信—物理电子学]