The structure and the work principle of digital control pulse MIG welding invert power supply are introduced;
介绍了以DSC为控制核心的逆变交流脉冲MIG弧焊电源的构成及工作原理；
The paper introduces the principle of ZK400 Vacuum RT Machines; from control pulse frequency of step-motor to adjust mixes speed of Vacuum RT Machines.
本文介绍了ZK - 400真空注型机的原理及功能，并重点介绍了通过控制步进电机的脉冲频率达到调节真空注型机搅拌速度的目的。
This paper presents the principle and virtues of a current-mode-control pulse width modulation(PWM), and makes a comparison with traditional voltage-mode-control.
本文介绍了开关电源的电流型PWM控制技术的原理及特点，并和传统的电压型控制作了比较。
In this paper, we present a new project for semiconductor optical amplifiers (SOA), in which Gaussian signal pulse can be compressed by using the rectangular control pulse.
提出了在半导体光放大器中应用矩形控制脉冲对高斯信号脉冲进行脉冲压缩的新方案。
Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation.
改变变频器的输出电压或输出电流有二种不同的方法，即PAM脉冲幅值调制控制和PW M脉冲宽度调制控。
Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation.
该全光脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中，控制光脉冲由于交叉相位调制在信号光上产生了非线性附加相移。
Under the control of the microcomputer this system not only can automatically determine the optimal control pulse sequence of the step motor, but also can control the step motor optimally.
在微机的控制下，该系统既能自动确定步进电动机的最优控制脉冲序列，又能对步进电动机实施最优控制。
Influences of input optical pulses including the control pulse and probe pulse on the switching window of ultrafast nonlinear interferometer (UNI) are studied by numerical simulation and experiment.
就超快非线性干涉仪(UNI)的输入光特性对其开关窗口的影响进行了数值模拟和实验研究，输入光包括控制光脉冲和探测光脉冲。
A voltage pulse is then applied to control how long the two qubits remain entangled and in their superpositional state.
而使用电压脉冲来控制两个量位保持互扰和叠加状态的时间。
We suggest that these extra pressure range is because many of the system, especially the water pressure and process control, have pressure peak or continuous pulse.
我们建议的这些额外的压力范围是由于许多的系统，特别是水压和过程控制，有压力尖峰或者连续的脉冲。
Pulse amplitude modulation (PAM) is one form of the ways, in which it is widely used in the system of communication and control.
脉冲幅度调制波（PAM）是脉冲调制的一种形式，在通信和控制系统中得到广泛应用。
High frequency pulse width modulation power control systems can be realized using semiconductor switches.
高频脉冲宽度调制电力控制系统，可以实现用半导体开关。
Step motor control, by pulse by changing the order of electricity can change the motor rotation direction, change the pulse frequency can change the motor rotation speed.
步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。
The accurate control of single pulse discharge energy is one of key techniques in micro-EDM.
放电单脉冲能量的精确控制是实现微细电火花加工的关键技术之一。
Brings forward a technical scheme to suppress the noise in DLOB by adding base onto control light pulse.
提出了将控制光脉冲加上直流基座有效地抑制DLOB中噪声的技术方案。
It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulse width modulation (PWM) current control and locked rotor protection.
它还包括霍尔元件输入、整流控制定序器、固定停机时间脉冲宽度调制(PWM)电流控制以及锁定转子保护。
The maximum output digits of supporting type control device are fixed, which is suitable for the pulse bag house of the corresponding specification.
配套型控制仪的最大输出位数是固定的，它适用于相应规格的脉冲袋式除尘器。
A photovoltaic pump system based on a new Z-source inverter, whose theory and control strategy of space vector pulse width modulation (SVPWM) with short through states were introduced.
提出了一种基于新型Z源逆变器的光伏水泵系统，阐述了Z源逆变器的工作原理及其带直通零矢量的SVPWM控制策略。
The controller is in carry out accurate control of promote the valve and the pulse valve vivid application of ability.
控制器在实现提升阀与脉冲阀的准确控制中能灵活的应用。
According as compare of voltage deviation and its variable ratio, optimal control of voltage and current is realized with querying fuzzy control sheet and adjusting adverse variable pulse width.
比较电压偏差及其变化率，查询模糊控制表，调节逆变脉宽，可实现电压及电流的理想控制。
Electrical power pulse signal will be entered into angular displacement or displacement of the Central Line control components.
步进电机是将电脉冲信号转变为角位移或线位移的开环控制元件。
And this paper is the octave pulse signal precision and stability control.
而本文主要是对脉冲信号的倍频精度与稳定度进行控制。
A kind of the pulse control mode, the drive and motor closed loop, but not to the numerical control system, the feedback device, in a sense, can open loop control called the servo control.
一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。
Pulse Width Modulation electronic speed control for highest efficiency.
脉宽调制效率最高的电子速度控制。
Stepping motor can be controlled by pulse signal and applies to digital control system.
步进电机可直接接收脉冲信号的控制，适合于数字控制系统。
Generally sampling pulse is produced by the control of clock inner device.
一般采样脉冲都是在装置内部时钟的控制下产生的。
The control characters of pulse superposition power source and the effect on metal surface treatment were also discussed.
论述了脉冲叠加电源的控制特点及对金属表面处理工程起到的独特作用。
The work principle, system structure, and pulse control strategy of the cell series multi-level converter are discussed in detail.
详细阐述了单元串联多电平高压变频器的工作原理、系统结构以及脉冲控制的策略。
The work principle, system structure, and pulse control strategy of the cell series multi-level converter are discussed in detail.
详细阐述了单元串联多电平高压变频器的工作原理、系统结构以及脉冲控制的策略。
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