Abstract: The transmission-line theory is used to calculate the late-time HEMP induced sheath current of long lines with different length and termination, which is located near or above the ground.

• 摘 要： 根据传输线理论，计算了高空电磁脉冲晚期部分作用下近地长电缆外导体的感应电流，给出了电缆取不同长度、端接不同阻值负载时的电流波形。