Voltage controlled crystal oscillator (VCXO) plays an important roll in the atomic frequency standard.
压控晶体振荡器是原子频标的重要组成部分。
The second part involves voltage controlled slow light effects in asymmetry double quantum dots (QDs).
第二部分是在非对称的双量子点中电压调控的慢光效应。
A voltage controlled linear resistor which consists of only two field-effect transistors (FET) is presented.
本文提出了一种用两个场效应管实现的压控线性电阻电路。
The gain of this operational amplifier is voltage controlled and can be adjusted by voltage variation through P2.
这种运算放大器的增益电压控制，并可以通过P2电压变化调整。
For the voltage controlled system model, pole point method is taken to design the PID controller, and good result is achieved.
对于电压控制对象模型，采用极点配置的方法设计PID控制器，均取得了较为满意的控制效果。
Because of the ripple of the DC power supply, the output harmonic amplitude of the voltage controlled SPWM inverter is higher.
由于直流供电电源纹波的影响，电压控制SPWM逆变电路的输出谐波分量幅值较大。
Using voltage controlled current source(VCCS) to create a zero is a novel scheme for frequency compensation of LDO regulators.
利用小信号压控电流源（VCCS）电路产生所需零点，是一种先进的低压降稳压器（LDO）频率补偿方法。
Optional models: Analog Voltage controlled models. Dual function models, selectable input for either translator or phase shifter operations.
可选型号：模拟电压控制模式，双功能模式，转换器和移相器操作有可选输入。
This paper discusses the causes for limiting the enlargement of frequency deviation of voltage controlled crystal oscillator and methods for enlarging the frequency deviation.
首先讨论了限制压控晶体振荡器频偏扩展的原因，和扩展频偏的方法。
In this paper, the voltage voltage controlled SPWM adapted to the ripple of the DC power supply is presented and is applied in the practical inverter with satisfactory results.
本文提出一种能够适应电源纹波的电压电压控制SPWM电路并将其应用于实际系统，取得了较好的效果。
Based on the static characteristics of induction motor, this paper analyzes the braking function of general voltage vector controlled frequency converter.
本文从感应电机的静态特性出发，分析了通用电压矢量控制变频调速器的制动功能。
Referred to the achievement of current controlled voltage source converter, the idea of current control is introduced into MC.
借鉴电流控制电压型变换器的研究成果，将电流控制的概念引入矩阵变换器。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
该方法通过实时检测三相交流输出电流方向得到方向函数，利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向，实现电压平衡。
ZJC-50KV controlled by computer, through the man-machine dialogue mode, the voltage breakdown insulation, power frequency withstand voltage test.
50KV采用计算机控制，通过人机对话方式，完成对绝缘介质的工频电压击穿，工频耐压试验。
Thus, in the voltage margin method, the dc voltage and the active power are separately controlled by the rectifier and the inverter, respectively.
如此，在容限电压法当中，直流电压和和有功功率分别被整流器和反相器所控制。
Supply voltage should be controlled at not more than or less than 5% of rated voltage range, if the voltage too high or too low will damage motor.
电源电压应控制在不大于或小于额定电压的5%范围内，如果电压过高或过低都会损坏电机。
The converter 1 is controlled as a fundamental sinusoidal current source, and the converter 2 is controlled as a voltage source.
变换器1被控制为一个基波正弦电流源，变换器2被控制为一个可控电压源。
The power subsystem of the communication facility must provide a flow of current under controlled conditions of voltage and load.
通讯设备的亚系统必须在额定的电压和电负荷下才能提供顺畅的电流。
To use the elements you should prepare the adjustable transformer or silicon controlled transformer voltage meter current meter and autocontrol temperature meter etc.
使用元件必须配备调压变压器或可控硅调压器及电压、电流表和温度自动控制仪表等。
Cantilever beam holding object is controlled through changing direction of voltage applied. When the voltage is zero, release the object.
改变加电压方向控制悬臂梁夹持物体，电压为零时释放物体。
It has shown that the film thickness can be controlled by adjustment of voltage and time.
试验结果表明：通过调节电泳电压和电泳时间，可以控制膜厚。
Traditional phase-controlled rectifying power supply is being replaced by the switching one, which is characterized by high precision, low voltage ripple and high efficiency.
电力系统中传统的相控整流型电源正在逐步被具有高精度、低纹波、高效率等特性的开关电源取代。
For the problem of voltage compensation, the design of microprocessor control system used in voltage compensation controlled voltage output availably, and the stabilization of the system is increased.
针对电压补偿问题，研究以嵌入式微处理器为核心的智能电压补偿器，有效地控制了输出电压，提高了设备的可靠性。
In dc-dc converts, the average dc output voltage must be controlled to equal a desired level, though the input voltage and the output load may fluctuate.
对于直流-直流变流器，虽然输入电压和输出负载会波动，直流输出电压必须控制在一个希望的水平。
By adopting the new design of circuit loop with cross-multiplying terms, the precision of voltage and speed controlled will be enhanced in a wider speed range.
在电流环中引入了一组电流交叉乘积项计算出准确的轴电压控制值，实现控制系统在较宽的速度范围内满足较高的控制精度。
Based on compensation concept, the principle of this system is analyzed by utilizing the controlled voltage source and controlled current source model of a transformer.
基于补偿原理，利用变压器的受控电压源和受控电流源模型，分析了该系统的稳压原理。
Parameter test and load discharge can process at one time. It is controlled by CPU, and can automatically test three-phase voltage, current and power ETC.
参数检测和带载放电同时进行，单片机控制，可自动检测三相电压、电流、频率等参数。
The series controller is equivalent to the controlled voltage source that compensating the voltage harmonic and the voltage fluctuation from the power system.
串联控制器等效为一个受控电压源，补偿来自电网侧的电压谐波和抑制电压波动，提高配电系统的供电电压质量；
Supply voltage should be controlled at not greater than or less than the rated voltage range of 5%, if the voltage too high or too low will damage motor.
电源电压应控制在不大于或小于额定电压的5%范围内，如果电压过高或过低都会损坏电机。
The inverter uses full bridge topology and SPWM technique. The inverter voltage is controlled by single closed loop feedback based on PID.
逆变器采用全桥型的拓扑结构，利用了SPWM逆变技术，逆变电压控制通过简单的单环反馈实现，控制方法采用PID算法。
应用推荐