About theoretic calculation for lightning electromagnetic field, two analytical methods are raised, which are dipole method in time domain and time-varying field method in frequency domain.
在雷电电磁场的理论计算方面，提出了两种方法，即时域中的偶极子方法和频域中的时变场方法。
With the transmission line model of the lightning return stroke, the approximate expressions of the adjacent field of lightning electromagnetic pulse are obtained.
采用雷电回击电流的传输线模型得到了雷电电磁脉冲场的近场近似。
Lightning electromagnetic pulse field (LEMP) was simulated to study its effect on naked radio fuze.
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。
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