前面板控制允许用户设置脉冲宽度与频率或先设置频率与占空因数，再设置脉冲宽度。
The front panel controls allow the user to set pulse width and frequency independently, or to set frequency and duty cycle, which then sets the pulse width accordingly.
美国疾病控制与预防中心(CDC)也对某些基因数据加以限制，这些数据是由全球不同地区分析得到的。
America's Centres for Disease Control (CDC) also restricts access to some of the genetic data that it has analysed from various parts of the world.
控制技术是影响整流器功率因数的关键因素之一。
One of the key factors of affecting power factor of rectifiers is control technique.
这个映射因数据库而异，这就是在把EJB部署到WebSphere时您必须在AAT或WebSphere管理控制台中选择数据库类型的原因。
This mapping varies from database to database, which is why you must select the database type in either the AAT or the WebSphere Administration Console when you deploy the EJB to WebSphere.
介绍了在三相三开关高功率因数变换器中应用复杂可编程逻辑器件(CPLD)实现逻辑控制部分的方案。
This paper introduces a scheme in which a complex programmable logic device (CPLD) is used in the three phase three pole switch high rating factor convertor to realize logic control.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.
对于电动机起动需要控制起动电流和转矩震动的问题，采用双闭环的控制方案，即电流闭环控制和功率因数角闭环控制。
As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.
本文概述了8K机车功率因数补偿装置的工作原理、参数选择及投切控制。
Operating principle of power factor compensating device for 8k electric locomotive is briefly described as well as its parameter selection, switching on and off control.
高速高精度跟踪控制系统，其速度和加速度误差环节的加入对系统的速度和加速度品质因数均有影响。
The high speed and precision track control system adopts speed error and acceleration error compensation to make influence on quality factors of speed and acceleration.
仿真结果表明，此功率因数控制系统在空载和轻载时，可节能30%—50%，本论文为异步电动机的节能运行提供了重要的参考作用。
The simulation result demonstrates that it can save up capacity about 30-50% when there is no load or a little load. This thesis can provide important reference function.
本文阐述了玻璃城子水库除险加固工程建设中的质量影响因数，控制的内容及方法。
In this article, Glass City reservoir dam factor influencing the quality of construction, control of the content and method.
提出了三相电流型PWM整流器的一种新型实用的功率因数控制方法。
A new and practical power factor control strategy for three phase PWM current source rectifier was proposed.
仿真结果表明在稳态时功率因数接近于1（0.99），验证了给出的励磁电流的控制方法、四象限开关表的正确性。
The simulation results show that the power factor approaches to 1 (0.99) at stable state, and the exciting current control method and switches table in four quadrants are correct.
通过控制无功补偿量，调节中央变电所进线系统的功率因数，可达到减少经济损失的目的。
Regulating power factor of central substation by controlling reactive power amount can achieve the goal of reducing economical loss.
提出了两种模拟二极管正向导通输入输出特性的数学函数，进行数字序列峰值因数的控制。
Two input-output soft-clip functions that mimic the diode full-wave soft clipping have been designed to control the peak factor of digital sequences.
此功率因数监测与补偿系统由电参数检测系统和补偿控制系统两部分组成。
This power-factor monitoring and compensation system was made up of electrical parameters detection system and compensation controlling system.
介绍了一种在静止无功功率补偿(SVC)控制中精确跟踪功率因数参据量的方法。
A new method of accurately setting reference values of power factor in the control of static var compensation (SVC) is introduced.
对几千瓦以下的单相有源功率因数补偿控制芯片很多，其中UC3854最具代表性。
Single phase active power factor compensation control clips below thousands watts are very popular, among which UC3854 is most typical.
分析了影响挤出胎面膨胀因数的因素并提出相应的控制措施。
The effective factors on the swell coefficient of extruded tread are analysed and their control measures are proposed.
仿真结果表明，DSP控制器可以获得较高的功率因数，且具有快速的电路动态响应、灵活的控制方法以及简洁的硬件设计等特点。
The simulation result shows that the DSP controller has very fast dynamic response and unity power factor, flexible control and simplified hardware design.
在模糊控制PID方法基础上，实现了恒定功率因数节能控制。
Based on fuzzy control PID, energy saving method of constant power factor is achieved.
阐述了有源滤波部分谐波检测与控制方案的选取、新增补偿容量与品质因数的确定。
The selection of harmonic inspection and control method for active filter and certainty of last added compensation capacity and quality factor were expounded.
然后阐述了可控电抗器恒功率因数控制的无功补偿原理和实现方法，并进行了无功补偿实验。
The reactive power compensation principle and method of constant power factor control are studied theoretically . and experimentally.
采用双环结构，用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
增益调制器作为功率因数校正电路的核心电路，通过控制输入电流来得到一个高的功率因数。
As the heart of the power factor correction circuit, the gain modulator gets a high power factor by controlling the input current.
将有源功率因数校正技术引入UPQC直流储能单元的电压控制。
The active power factor correction(APFC) technology is introduced into the DC energy storage unit ofUPQC for capacitive voltage control.
实验证明，采用新型PWM控制的整流器功率因数近似为1，且可大大减小平波电抗器的电感器。
The experiment shows power factor of the rectifier is approximate to 1 and the inductance of the DC filter is decreased greatly by applying the new PWM control method.
介绍一种以8031单片机为核心而构成的功率因数自动补偿控制器的工作原理及硬件电路设计、软件设计。
The paper introduced the work principle, hardware circuit design and software design of a power factor automated compensator composed mainly of 8031 single chip computer.
阐述了动态功率因数的补偿原理，介绍了动态功率因数补偿过程中的参量检测与功率因数动态补偿的控制方法。
This paper expounds the compensation principle of dynamic power factor and introduces the parameter detection and the control method of the dynamic power factor compensation.
为改善功率因数，对神经网络控制器(NNC)与电流模式控制器(CMC)的控制效果进行了仿真比较研究。
To correct the power factor, the controlling effect of both neural network controller (NNC) and current mode controller (CMC) is researched in this paper.
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