主要介绍微机控制步进电机升降频脉冲定位设计中，脉冲间隔时间的计算方法。
This paper mainly introduces the computation of time interval of pulse delay in the design of pulse positioning of rise and fall frequency of step motor with microcomputer control.
相邻二个输出驱动电压之间的间隔时间，称为脉冲间隔。
The interval time between the two interfacing output-driving voltages is called as pulse interval.
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