强激光与粒子束, 2005, 17 (7): 1047, 网络出版: 2006-04-28   

强电磁场对某型无线电引信安全性的影响

Effect of Lightning electromagnetic environment on radio fuze
作者单位
军械工程学院,静电与电磁防护研究所,河北,石家庄,050003
摘要
为了研究强雷电电磁场(LEMP)对没有保护状态下无线电引信性能的影响,对LEMP进行了模拟.利用MARX发生器向宽带横电磁波(GTEM)室注入雷电电压波,在GTEM室内产生模拟的LEMP电场;利用浪涌发生器向亥姆霍兹线圈注入雷电电流波,在线圈内产生模拟的LEMP磁场.根据某型无线电引信可能遭遇的雷电电磁环境,对处于勤务处理状态的该型无线电引信进行了辐照效应实验,测试辐照前后引信的性能指标,对其差异进行比较,分析了LEMP对该型无线电引信性能指标的影响.结果表明,在强的雷电电磁场环境下LEMP电场会损坏该型无线电引信的高频组件,使其不能产生探测信号,导致引信不能正常发火;LEMP电场还会损坏检波电路,使检波直流电压不能达到正常指标,从而导致引信也不能正常发火;LEMP磁场对该型引信性能基本没有影响.
Abstract
Lightning electromagnetic pulse field (LEMP) was simulated to study its effect on naked radio fuze. The voltage wave from MARX generator was injected into GTEM cell to simulate the electric field of LEMP, and the pulse current wave from lightning surge generator was injected into loop to simulate the magnetic field in the loop. Some radio fuze was chosen as samples to test its deposited security in strong LEMP environment. The experimental results show that in severe condition the lightning electric field can attaint the high frequency groupware and might disable the fuze to produce detecting signal. The lightning electric field can destroy the demodulation circuitry and cause the demodulation voltage out of gear. The lightning magnetic field has no evident effect on the fuze.
参考文献

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陈亚洲, 魏光辉, 刘尚合. 强电磁场对某型无线电引信安全性的影响[J]. 强激光与粒子束, 2005, 17(7): 1047. CHEN Ya-zhou, WEI Guang-hui, LIU Shang-he. Effect of Lightning electromagnetic environment on radio fuze[J]. High Power Laser and Particle Beams, 2005, 17(7): 1047.

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