脉宽调制信号 meaning in Chinese

pulse-width signalling

A transfusion speed monitor system is designed based on infrared technology with modulation and demodulation
摘要设计了一种利用红外光的脉宽调制信号来采集输液信息的医用微量输液装置。
The spwm algorithm using symmetrical sample in this controller , can alter its frequency and amplitude . the good performance of the bldc motor controller using dsp is verified by the experiment
本文在分析了几种spwm调制方法的基础上，将基于对称采样法的spwm调制算法应用于本设计中，产生了可调频调幅的正弦波脉宽调制信号。
Constant stator magnetic linkage control frequency converter includes power devices utilizing igbt , drive circuit using three - phase drive ic with multiple protection functions . pwm signal formation circuit in the way of voltage space vector control and realized with pld ( programmable logic device ) devices and compensation for the influence of supply voltage variation and stator resistance voltage drop
其中，恒定子磁链控制变频器的设计中主电路采用功率器件igbt ；驱动电路采用三相多功能集成驱动芯片； pwm脉宽调制信号产生电路采用电压空间矢量控制方式，由pld器件实现；对电源电压变化及电阻压降造成的影响进行了补偿。