本文介绍了单片机控制的数字脉宽调制器。
This paper presents a digital pulse width modulator based on MCS-51 Microcomputer.
分析了三相交流电机全数字脉宽调制的原理。
The principle of pure digital PWM of the three-phase AC motor is analyzed.
文中着重阐述系统和功放电路的工作原理、数字脉宽调制器的硬件电路、软件设计方法，并给出实验结果。
In this paper, the operation principles of the total system and power-amplifier circuit, design method of digital PWM hardware circuit and software are described, and.
介绍一种以igbt为功率单元的全数字控制脉宽调制变频装置。
A fully digitally controlled SPWM inverter with IGBTs as the main power devices is introduced.
LED系统应采用高速脉宽调制(PWM)数字式地驱动。
The LED system shall be digitally driven using high-speed pulse width modulation (PWM).
文章介绍一种将PAM脉冲幅度编码转换为PW M脉宽调制编码的方法和电路，转换过程使用数字方法实现。
This article relates to a method and circuit for the code translation from PAM to PWM. The process is digital.
介绍基于脉宽调制芯片TL 494的高压电源的工作原理，其电压可由单片机控制的数字电位器进行调整。
Principle of high voltage power supply based on PWM chip TL494 is introduced in this paper. The adjustment of the voltage is performed by digital potentiometer controlled by MCU.
本文介绍一种脉宽调制型(PWM)逆变器异步电机变频调速系统稳态分析的直接数字计算方法。
A kind of direct numerical calculation method for the steady-state analysis of PWM inverter-fed induction motor drives was presented.
根据单元级联多电平变换器拓扑结构及其脉宽调制技术的特点，以数字信号处理器和复杂可编程逻辑器件为核心，设计了多电平变换器的控制器。
On the basis of topology of cascaded multilevel convertor and its PWM technique, designed the controller of multilevel convertor at the core of DSP and CPLD.
该系统由数字控制器、脉宽调制波形显示电路、全桥变换器、直流电动机和光电编码器。
The system consists of a digital control system, a PWM control waveform display, a full-bridge converter, a DC motor and load motor.
提出了一种直流脉宽调制伺服控制系统的基本框架，其算法通过嵌入式数字信号处理器(DSP)来实现。
A basic frame of direct current pulse width mode of servo control system is presented. Algorithm is realized by embedded digital signal processor.
提出了一种直流脉宽调制伺服控制系统的基本框架，其算法通过嵌入式数字信号处理器(DSP)来实现。
A basic frame of direct current pulse width mode of servo control system is presented. Algorithm is realized by embedded digital signal processor.
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