控制器控制脉冲发生器所输出的脉冲的定时，以使得每个脉冲的周期与预定衰减量相关。
The controller controls the timing of the pulses output by the pulse generator such that the period of each pulse relates to a predetermined decay amount.
铁道机车车辆牵引领域中的转矩控制是利用脉冲发生器（PG）来检测牵引感应电动机的转子频率。
The Pulse Generators PGs are equipped to detect the rotor frequency of induction traction motors for the torque control in railway vehicle traction field.
本文在前人的基础上，重点完成了外置式DBS体外控制器及内置无源脉冲发生器的设计。
In this paper, I focus on the design of external controller and internal passive pulse generator of external DBS on the basis of previous.
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