摘要
Abstract
Radar electronic equipment such as transmitter and receiver(T/R)modules could be interfered or damaged,because of the couplings through the front-door and the back-door from the tough electromagnetic pulses which have the characteristics of high peak power,wide spectrum range,and high energy.Even the whole radar system could be destroyed due to this harsh electromag-netic environment.So,step by step electromagnetic protections for radar system are proposed by systems,components and devices in this paper.A new type of radome with tough electromagnetic protection can be made by using new materials and new methods such as plasma,frequency selective surfaces,energy selective surfaces,cascaded energy and frequency selective surfaces and elec-tromagnetic cloak.Some materials and devices,including electromagnetic shielding materials,wave absorbing materials,filters,photoelectric converters,surge suppressors are used in T/R modules to prevent electromagnetic interference.An intelligent electro-magnetic protection system can be established,so that the radar has the ability to adapt to complex electromagnetic environments au-tomatically by using a specific time-domain and frequency-domain radar system design,and using some other technologies such as electromagnetic interference cancellation,evolutionary hardware.关键词
强电磁脉冲/"前门"耦合/"后门"耦合/电磁防护/电磁材料与器件Key words
tough electromagnetic pulse/coupling through the front-door/coupling through the back-door/electromagnetic protec-tion/electromagnetic materials and devices分类
电子信息工程
