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PWM

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网络脉宽调制(Pulse Width Modulation)；脉冲宽度调制；脉宽调变

PWM

英-汉网络释义

PWM

脉宽调制(Pulse Width Modulation)

脉宽调制（PWM）是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的技术，广泛应用在测量、通信、功率控 …

脉冲宽度调制

脉冲宽度调制 (Pwm) 控制电路TL494技术参数：特性完整的PWM电源控制电路未产出为200毫安库或电流源输出控制选择单 …

脉宽调变

许多脉宽调变(PWM)控制器专门针对交错法进行设计，如果只需要两种相位，可以使用推挽式控制器(push-pull controller)执行 …

脉宽调制器(pulse width modulator)

作为脉宽调制器（PWM）的控制信号，使其输出的脉宽跟踪U图3 偏磁抑制电路的控制框图 3．3 电路实现抑制偏磁的硬 …

脉宽调制技术

用脉宽调制技术(PWM)，脉幅调制技术(PAM)和正弦宽调制技术(SPWM)进行深入研究和实践，为无刷直流电机的发展提供了技 …

脉宽调制信号

)，在脉宽调制信号(PWM)的控制下进行开、关操作。当MOSFET导通时，输入电压给电感和电容(L和C当MOSFET断开时，输 …

例句：

with external PWM mechanism to work with video display cases , also to be able to adjust backlight brightness .

外部 PWM 机制与视频显示案件，也可以调整背光亮度。

The question of unbalance on PS PWM DC-DC FB converter is discussed, and the solution is proposed.

介绍了桥式变换器的不平衡问题及解决方法和参数确定。

The system consists of a digital control system, a PWM control waveform display, a full-bridge converter, a DC motor and load motor.

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 traditional digital circuit PWM, circuit design more complicated, bulky, anti-jamming ability, control of the system a longer period .

用传统的数字电路实现 PWM ，电路设计较复杂，体积大，抗干扰能力差，系统的控制周期较长。

The paper introduced a solution in subdivided driving of stepping motor by means of EDA technology providing PWM control waveform .

介绍一种采用 EDA 技术输出 PWM 控制信号，实现对步进电机驱动细分。

PWM waves program can be used to control motor speed, procedure is simple, here only a timer is realized .

PWM 波程序可以用来控制电机调速，程序比较简单，这里只用了一个定时器就实现了。

The Pulse Width Modulation (PWM) control method is one of the key techniques on three-level NPC inverter .

而 PWM 控制方法是三电平 NPC 逆变器研究中的关键技术之一。

As the main part of power supply , the PWM inverter requires high quality of output waveforms , so varieties control methods appear.

PWM 逆变器是逆变电源的核心部件，要求它具有高质量的输出电压波形。

Increased the system flexibility and the accuracy , caused the entire PWM pulse to entangle the process to obtain the big simplification .

增加了系统的灵活性和精确性，使整个 PWM 脉冲的缠成过程得到了大大的简化。

The operating principle of a PS FB(phase-shifted full-bridge)ZVS-PWM converter with auxiliary resonant network are introduced .

介绍了一种采用辅助谐振网络的移相全桥 ZVS-PWM 变换器，简述其工作原理。

The control theory of the space voltage vector was analyzed , and control and parameter design of the PWM rectifier system were illuminated.

分析了空间电压矢量的控制原理，详尽地阐述了 PWM 整流器系统的控制和参数设计。

One commonly used PWM scheme is called carrier based modulation .

一种常用的 PWM 调节机制被称作基于载波的调制。

The circulating current can be effectively inhibited by controlling the operation time for different zero vectors in each PWM cycle .

通过控制 SVPWM 算法中不同零矢量在每一个 PWM 周期的作用时间来抑制环流。

It mainly included the main circuit, the system of non-PWM control circuit, and the optimized drive circuit and the buffer circuit .

主要包括主电路、系统的非 PWM 控制电路、优化的驱动电路以及缓冲电路的设计等。

This thesis mainly discusses direct -driven permanent magnet synchronous wind energy conversion system(WECS) used back-to-back PWM converter .

本文以双 PWM 变换器控制的直驱式永磁同步风力发电系统为研究对象。

With the combining of this PWM generator and microcontroller , sine wave inverter at high temperature is prepared.

该 PWM 发生器与微控制器密切配合，实现了高温正弦逆变。

Perceivable flicker effects from such rapid response light sources can be reduced by increasing the PWM frequency .

这种快速反应辛奇闪烁的光源效果可减少增加 PWM 频率。

The paper focuses on the applications of PWM methods with carrier -overlapping characteristics in flying- capacitor multilevel inverters .

研究了具有载波交叠特性的 PWM 方法在飞跨电容多电平逆变器中的应用。

The inputs can be PWMed for current or speed control at frequencies up to 250 kHz .

可将输入脉宽调制（PWM ）为频率达 250千赫的电流或速度控制。

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