...应出较大的电动势，而此瞬变电磁场，都会在空间不定期产生电磁作用，也可以是电磁脉冲波辐射，而这种空间雷电电磁脉冲波（LEMP）是在三维空间范围里即雷电波对一切电子设备发生作用，因瞬变时间极短或感应的电压很高，以致产生电火花。
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先前基于宏观电磁波(包含大量光子)的实验已经证明，光前驱是光脉冲在传播过程中最快的部分。
Previous experiments based on macroscopic electromagnetic wave propagation (involving lots of photons) have shown that the optical precursor is the fastest part in the propagation of an optical pulse.
一波“适度”核打击之后再进行电磁脉冲打击，削弱反导系统的作战效能。
An EMP strike to reduce the efficiency of anti-missile defences followed by a 'proper' nuclear strike.
介绍了D JY - 2000b型地震电磁波脉冲观测系统的组成、工作原理、主要功能和技术指标等。
The structure, principle of working, primary functions and technical features of the Observation System of DJY-2000B Seismic Electromagnetic Impulse are introduced.
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