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On the Choice of the Lightning Channel Current Decay Constant in the Modified Transmission Line Model with Exponential Decay

机译:用指数衰减选择改进传输线模型中的闪电通道电流衰减常数

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For different values of the decay constant in the Modified Transmission Line Model with Exponential Decay (MTLE) and for different channel heights the results for lightning electromagnetic field (LEMF) at different distances from the channel-base are presented in this paper, so as for the spatial and temporal current distribution along the channel. The decay constant influence on LEMF above perfectly conducting ground is analyzed using new lightning channel-base current function and MTLE as an engineering model for a lightning return stroke. The proper choice of this constant can be made based on experimental results but also on the analysis of its influence on electric and magnetic field values and their shape characteristics.
机译:对于具有指数衰减(咒语)的修改的传输线模型中的衰减常数的不同值,并且对于不同的通道高度,本文介绍了与通道基底不同距离处的雷电电磁场(LEMF)的结果,以便沿通道的空间和时间电流分布。使用新的雷电通道基电流功能和咒语作为闪电返回行程的工程模型,分析了对完美导电的LEMF的衰减对LEMF的影响。 The proper choice of this constant can be made based on experimental results but also on the analysis of its influence on electric and magnetic field values and their shape characteristics.

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