本文采用时域有限差分法，分析电磁脉冲作用下，地面附近同轴电缆所感应的外皮电流。
The EMP cortically induced current in coaxial cables near the ground is analysed by using Finite-Difference Time-Domain method in this paper.
计算结果表明，近地面处一根暴露于HEMP环境中的几十米长电缆，其外皮感应电流峰值一般可达上千安培。
The results show that the peak value of the HEMP induced cortical current in cables of several decameter length near the ground can reach kiloampere.
杂散电流对地铁周围的埋地金属管道、通讯电缆外皮以及地铁主体结构钢筋等发生电化学腐蚀，产生严重的危害。
Metro stray current causes serious electrochemical corrosion in the metal pipelines, communication cable epidermis and rebars in concrete main structure buried underground nearby metro.
杂散电流对地铁周围的埋地金属管道、通讯电缆外皮以及地铁主体结构钢筋等发生电化学腐蚀，产生严重的危害。
Metro stray current causes serious electrochemical corrosion in metal pipelines, communication cable epidermis and rebars in concrete main structure buried underground nearby metro.
该方法适合分析各种电缆的外皮感应电流。
This method is propitious for the analysis of all kinds of cortically induced current.
计算结果表明 ，近地面处一根暴露于HEMP环境中的几十米长电缆 ，其外皮感应电流峰值一般可达上千安培。
The results show that the peak value of the HEMP induced cortical current in cables of several decameter length near the ground can reach kiloampere. Some computational results are compared with the…
计算结果表明 ，近地面处一根暴露于HEMP环境中的几十米长电缆 ，其外皮感应电流峰值一般可达上千安培。
The results show that the peak value of the HEMP induced cortical current in cables of several decameter length near the ground can reach kiloampere. Some computational results are compared with the…
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