| 释义 |
pulse 脉冲;[脉波] 1. A variation in the value of a quantity, short in relation to the time schedule of interest the final value being the same as the initialvalue. 一种物理量的值作时间短暂(相对于感兴趣的一段时间)的变化,其终值与初值相同。 2.In electronics, a change in a voltage or current level for a short duration, typically an increase from zero to 5 volts for a few millior microseconds. 在电子技术中,电压或电流电平作短暂改变,典型地是在几个毫秒或微秒内从0增加到5V。 |