modulation power的例句大全

the results can be used in modeling of conductivity modulation power devices under localized lifetime control.

其结果可用于局域寿命控制下电导调制器件的建模分析。

Unity Power Factor Three-Phase Rectifier Based on Voltage Space-Vector Pulse-Width Modulation

基于电压空间矢量调制的单位功率因数三相整流器的研究

Study on frequency modulation starting and its features of Huizhou Natural Gas Turbine Combined-Cycle Power Plant

惠州天然气发电厂变频启动调速过程及特点

Experiments on a Nonlinear Joint Transform Correlator Using Real time Digital Modulation of the Joint Power Spectrum

数字功率谱调制单傅里叶透镜联合变换相关器的实验研究

Cascade Multilevel Converter Based on Sample Time Staggered Space Vector Modulation and Its Application to Shunt Active Power Filter

错时采样空间矢量调制的级联型多电平变流器及其在并联有源电力滤波器中的应用

Orthogonal Multi-Carrier Modulation ( OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.

为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。

Issues Related to DC Power Modulation in AC/ DC Hybrid System

交直流互联电网直流功率调制相关问题交流[直流]发电机

This paper presents a method to perform the continous modulation of AC power by using a micro-processor and SSR.

提出了一种基于微处理器和利用固态继电器实现交流功率连续调整的方法。

Direct current power modulation of HVDC and the reactance modulation of TCSC can affect the active power transfered between areas and, further, affect the stability of the power system.

HVDC直流功率调制和TCSC电抗调节都能改变区域间传输的有功功率，从而影响系统的暂态稳定性。

The method comes from the mechanism of reciprocal shift modulation, which transforms the measuring of eigenfrequency into measuring the spike pulse responding to ineffective-modulation optic power.

从互易性偏置调制的机理出发，将对本征频率的测量转化为对无效调制光功率响应的尖峰脉冲的测量；

On the purpose of improving efficiency of continuously variable transmission with reflux power, efficiency of previous system under low gear and reverse gear have been analyzed to optimize its structure based on analysis of speed modulation characteristic and transmission efficiency of transmission system.

在回流式无级自动变速传动系统调速特性和传动效率分析的基础上，以提高效率为出发点，通过对原有系统低速档、倒档工况下的效率分析，并对原有结构进行了优化。

The noises of the intensity modulation measuring system are analyzed. The functional modules include light souse driving power, coupling light path, optic-electric conversion and A/ D acquisition card are designed.

对搭建的强度调制型测量系统的噪声做了分析，设计了光源驱动电源、耦合光路、光电转换电路和A/D采集卡等功能模块，系统作了降噪处理，满足测试要求。

A design method of a high-efficiency, low-power, switching-power DC-DC converter with pulse-width modulation ( PWM) and pulse-frequency modulation ( PFM) modes is presented.

本次毕业设计提出了一种基于脉冲宽度调制（PWM）和脉冲频率调制（PFM）模式的高效率，低功耗开关电源直流电压转换器的设计方法。

The article deals with the functions of DC AC series intelligent power inverters, software PWM technology and alternating voltage output modulation technology.

介绍了DC AC系列智能电源逆变器的功能，软件PWM技术及其交流电压输出调制技术。

A sort of thyristor power adjustor is introduced including the modulation circuit with varying cycle and thyristor triggers which are consisted of integrated operational amplifier and time-base circuit respectively.

介绍一种晶闸管调功器，用集成运算放大器组成的变周期调制电路和由时基电路组成的晶闸管触发器。

Logarithmic Transformation to Joint Power Spectrum can enhance the intensity of high frequency component, improve the modulation degree, weigh down the zero-order diffraction, and increase the recognition efficiency of joint transform correlation system.

为增强联合功率谱的高频成分，改善其调制程度，可对功率谱进行对数变换，从而有效保留更多的高频成份，压低零级衍射光斑，提高联合变换相关器的识别能力。

Under a certain deliver distance and the light power, the different sub-carries number to exist a best optical modulation index, making the system's carrier-to-noise ratio biggest.

一定的传输距离和发射光功率情况下，不同的子载波数存在一个最佳的光调制指数，使得系统载噪比最大；

The inverter of sine pulse width modulation ( SPWM) has become the main form of power supply.

SPWM变频器已成为异步电动机变频调速的主要电源形式。

Green-mode which provides off-time modulation to linearly decrease the working frequency under light-load conditions and power limiting which will turn off the transistor when peak current of inductor reaches the threshold current.

同时该电路集成了能在轻负载情况下自动降低频率的绿色模式以及能在电感峰值电流过高时关断调整管的功率限制模块，降低了系统的功耗。

Stability of Pulse Width Modulation Fluid Power Position Servo Systems

脉宽调制流体位置控制系统稳定性的研究