The waveform of the induced current is a decreased ringing wave and the ringing period equals twice to the time of induced current flowing along flyer and exhaust plume.

• 飞行体蒙皮感应电流密度的波形为衰减振铃信号波形,振铃周期等于电流波在整个飞行体和尾焰长度上流动两次的时间。