同时，高速交流传动机车广泛采用高开关频率器件的脉宽调制（PWM）逆变器，使得逆变器输出脉冲具有陡上升沿。

Meanwhile, PWM inverters using high switching frequency device that shortens the rise time of PWM output pulse have been widely applied in high-speed AC driving locomotive.

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通过数值计算，研究了快上升沿电磁脉冲信号在有界波模拟器中的传输特性。

This paper studies transmission characteristic of fast rising time EMP (electromagnetic pulse) signal in bounded-wave simulator by using numerical calculation.

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通常的脉冲发生器只是在电阻性负载时才能得到陡的上升沿。

General pulsers can obtain sharp risetime only when it is used for a resistive load.

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