查询词典 pulse-time modulation

The control mode has developed from early U\f control mode to vec to r control technology and pulse width modulation.

控制方式也从早期的电压；频率控制方式发展到向量控制技术和冲宽度调制技术。

Three-phase Asynchronous Motor;Digital Signal Processor;Intelligent Power Module;Vector Control;Space Vector Pulse Width Modulation

三相异步电动机；数字信号处理器；智能功率模块；矢量控制；电压空间矢量脉宽调制

The principle of Space Vector Pulse Width Modulation control of three phase inverter is presented.

文中叙述了三相逆变器空间电压矢量控制的基本原理。

This paper introduces the basic principle of pulse width modulation based on voltage space vectors and realization algorithm.

本文介绍了SVPWM的基本原理及其实现算法。

Based on this model, interaction between the parallel grid-connected inverters is analyzed and the influence on circulating current when it is adopted zero vector with space vector pulse width modulation is also analysed.

在这模型的基础上，分析并网逆变器并联运行时的相互影响；分析了并网逆变器采用间矢量脉宽调制算法时零矢量对环流的影响。

Secondly, the vector control theory,the kinematics model and the sinusoidal space vector Pulse-Width-Modulation control technology were analyzed dividually, and then the mathematic simulation model of the servo system of PMSLM was built.

其次，综合运用电机控制理论和计算机仿真技术，分别对永磁同步直线电机的矢量控制原理、运动力学模型以及电压空间矢量脉宽调制技术进行分析，搭建了永磁同步直线电机伺服控制系统的数学模型。

An overmodulation algorithm for space vector pulse width modulation suitable for current source converters is proposed.

提出一种适用于电流型变流器(current source conver- ters， CSC)的空间矢量过调制策略。

By a voltage-traced SPWM technology, the sine pulse width modulation wave was derived and the project of voltage output was designed. Resultantly, the microcontroller was fully used in the variable-frequency power system.

讨论了系统的硬件、软件设计和正弦脉宽调制波的生成和输出稳压方案的设计，采用了实时电压跟踪SPWM技术，使单片机在变频电源系统中得到了有效的应用。

Pulse width modulation is also exploited in sound synthesis, especially subtractive synthesis, as the process gives a chorus effect or that of slightly detuned oscillators played together.

脉宽调制也是利用声音合成，尤其是减法合成，随着这一进程提供了合唱效果还是略失谐振荡器共同出战。

Space vector pulse-width modulation control strategies were proposed for three level inverters of traction drives in high-speed EMUs.

提出了适用于高速动车组牵引传动中三电平逆变器控制的空间矢量脉宽调制控制策略。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。