查询词典 pulse-time modulation

Inverter ; pulse width modulation/common-mode voltage ; control strategy

逆变器；脉宽调制/共模电压；控制策略

The contravariant device is based on sinusoidal pulse width modulation technology.

汽车空调蒸发风机与专用逆变器系统是机电一体化产品。

The present paper proposed one kind of numerical control single-phase inversion structure, in detail elaborated the system parameter design, the rectification work basic principle of work, the contravariant basic principle and the SPWM sine pulse width modulation.

本论文提出了一种数字控制的单相逆变器结构，详细论述了系统的参数设计，整流工作的基本工作原理，逆变的基本原理及SPWM正弦脉冲宽度调制。

The presentpaper proposed one kind of numerical control single-phase inversionstructure, in detail elaborated the system parameter design, therectification work basic principle of work, the contravariant basicprinciple and the SPWM sine pulse width modulation.

本论文提出了一种数字控制的单相逆变器结构，详细论述了系统的参数设计，整流工作的基本工作原理，逆变的基本原理及SPWM正弦脉冲宽度调制。

We use integrated chip TL494 are the master control chips, by the MOSFET tube constitution inversion electric circuit, has realized the contravariant system's pulse-duration modulation.

我们采用集成芯片TL494为主控芯片，以MOSFET管构成逆变电路，实现了逆变系统的脉宽调制。

A new type of fault current limiter controlled by pulse width modulation.

采用脉宽调制控制的新型故障限流器。

A new type of fault current limiter controller by pulse width modulation.

采用脉宽调制控制的新型故障限流器。

Optimal methods are also presented on system control methodology (current control and pulse frequency modulation) and frequency compensation.

根据研究结果提出系统在控制方法选择（电流控制和脉冲频率调制）和频率补偿方面的优化办法。

The digital part contains space vector pulse width modulation, simple center computer processor, proportional-integral controller and descend frequency decimator.

整体架构大致可分为数位和类比电路二大部份，数位部份可分为：空间向量脉波宽度调变器、简易中央电脑处理器、比例积分控制器、降频滤波器。

This dissertation attempts to demodulate the Pulse Position Modulation .It discusses the theories about this technology and makes simulation.

本文尝试对脉冲位置调制进行解调，并进行了相关的理论论证和仿真。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。