In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
或者换句话说，脉宽调制是一种调制技术，为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
This paper studied the three-phase PWM(pulse width modulation) rectifier in dual PWM variable frequency speed regulation system.
对双PWM变频调速系统中的三相PWM整流器及其控制方法进行了研究。
According as compare of voltage deviation and its variable ratio, optimal control of voltage and current is realized with querying fuzzy control sheet and adjusting adverse variable pulse width.
比较电压偏差及其变化率，查询模糊控制表，调节逆变脉宽，可实现电压及电流的理想控制。
A pulse width sampled-data control system for a variable thrust liquid rocket engine is studied both theoretically and experimentally.
本文对变推力液体火箭发动机的脉宽采样数字控制系统进行了理论分析和实验研究。
In order to meet the needs of variable pulse width, frequency and power for laser fuze, a model of the LD driver circuit is built up based on its principle.
为了满足引信用脉冲式半导体激光器驱动电路的脉冲宽度可调、频率可调、功率可调的需要，根据LD驱动电路的工作原理，建立LD驱动电路的一般模型，并进行了仿真分析。
Further, the operation of the variable speed drive is combined with a pulse width modulation control of different system components.
此外，可变速驱动器的操作与不同系统部件的脉宽调制控制相结合。
This paper presents a new type of Electronic Servo valve (ESV) which includes the pulse width modulator, electro-mechanical actuator and variable section area valves.
本文介绍了一种新型的电子伺服活门。它由脉冲调制器和机电作动器以及变截面活门组成。
This paper presents a new type of Electronic Servo valve (ESV) which includes the pulse width modulator, electro-mechanical actuator and variable section area valves.
本文介绍了一种新型的电子伺服活门。它由脉冲调制器和机电作动器以及变截面活门组成。
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