Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
A pulse ratio of the motor is calculated based on the first switching frequency.
马达的脉冲比基于第一开关频率计算。
Pulse ratio modulation, a method of recording biomedical signals with magnetic tape, is presented.
本文介绍一种磁带记录生物医学信号的方法——脉冲比例调制。
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