一种弹载卫星定位导航装置电磁脉冲防护设计技术

摘要

In response to the high electromagnetic pulse environment (HEMP) threat to the satellite positioning naviga-tion device ,an HEMP protection design is studied ,and an integrated protection circuit of large current discharge ,transient limit ,bandpass filter and microstrip line is developed .The experiment of lightning injection and electromagnetic pulse irra-diation is carried out ,and the test results show that the design improves the ability of anti-lightning and high electromagnetic pulse interference .%针对弹载卫星定位导航装置接收机面临的强电磁脉冲环境威胁,研究了一种电磁脉冲防护技术,开发了大电流泄放、瞬态限幅、带通滤波及微带线的综合防护电路,开展了雷电注入和电磁脉冲辐照试验.试验结果表明,该设计提高了弹载卫星导航装置抗雷击和强电磁脉冲干扰的能力.