参考电压

一种新型带数字校准的超低噪声CMOS参考电压源

A Novel Ultra Low Noise CMOS Voltage Reference Circuit with Digital Calibration Scheme

为了简化可变参考电压电路结构，并且降低该参考电压的温度系数，讨论了一种输出可调节的CMOS带隙基准电路。

To simplify the structure and lower the temperature coefficient of changeable voltage reference circuit , the design of a CMOS bandage reference ( BGR ) with adjustable output is discussed .

用于PipelineADC的参考电压和参考电流的电路系统

Circuit System of Referenced Voltage and Electricity for Pipeline ADC

应用于流水线ADC的参考电压源及其输出缓冲器

A Voltage Reference for Pipeline A / D Converter and Its Output Buffer

用PLL产生参考电压的自适应谐波电流检测方法

An Adaptive Harmonic Current Calculation Arithmetic for APF Using PLL-Produced Reference Voltage

PWM控制采用基于参考电压分解的多电平直接PWM算法，数字化实现容易。

A multilevel direct PWM control strategy based on reference voltage decomposition suitable for digital implementation was employed .

然后，利用SVM技术将参考电压矢量转换为相应的PWM开关信号。

Afterwards , the reference voltage vector could be converted into corresponding PWM signals by using SVM technique .

三电平逆变器基于参考电压分解的SVPWM算法

SVPWM Algorithm Based on Reference Voltage Decomposition for Three-level Inverter

对于高分辨率ADC来说，参考电压的精度对整个设计是至关重要的。

For high resolution ADC , the accuracy of reference voltage is critical for the whole design .

在参考电压矢量的合成时，选择只包含P、O状态的空间电压矢量作为起始矢量，解决了扇区切换时的矢量突变问题。

When synthesizing the reference voltage vector , select the vector which only includes P and O states as the starting vector , thus eliminate the vector shift problem when sector changes .

由于改进的方法中用参考电压代替了PLL环节，从而减少锁相过程中的延时以及误差；

The PLL is replaced by the reference voltages to reduce the correlated delay and error .

嵌入LCOS芯片的参考电压源模块方案设计

Programme Design of Reference Voltage Source Module Embedded in LCOS Chip

基于基波特征量提取的DVR参考电压波形生成算法

A Novel Reference Wave Generating Algorithm Based on Characteristic Vector Extracted for DVR

本文用MATLAB软件分别对查表式和参考电压分解式多电平矢量发生进行仿真，验证了几种矢量发生方法的可行性，然后在这基础上提出矢量发生器的概念。

This article separately simulate the table-inquire method and the disassembly of reference voltage method with MATLAB software , then educe the concept of " vector generator " .

在流水线结构A/D转换器中，参考电压的波动将会影响到其转换精度。文章分析了参考电压变化对A/D转换器整体性能的影响，通过Matlab仿真加以验证。

The influence of the variation of reference voltages on the overall performance of the A / D converter is analyzed and the result is verified by Matlab simulation .

设计了基准电压源和电压微调电路，为ADC提供参考电压和电流，而且能进行一定范围内的微调。

Design a bandgap voltage reference circuit and a voltage-modifying circuit to provide precise voltage and current reference for the referred ADC .

对基于空间电压矢量的三电平逆变器PWM算法进行了推导，用了一种根据参考电压矢量幅值和相位角的变化，来生成三电平PWM波的工作模式。

The paper introduces the space voltage vector PWM method for three level inverter to generate PWM pulse on the basis of amplitude and phase angle of reference vector .

通过仿真验证了在混合9电平逆变器的参考电压中注入零序电压后，混合9电平逆变器的H桥逆变电路电容电压得到平衡控制。

The simulation results demonstrate the validity of the proposed method . By the injection of zero-sequence voltage into the reference voltage of hybrid 9-level inverter , capacitor voltage balance of H-bridge inverter is achieved .

然后，利用空间矢量调制技术将参考电压矢量转换成相应的PWM开关信号，实现实时的控制而达到减少转矩脉动的作用。

Then , space vector modulation technology will convert the reference voltage vector to corresponding PWM switching signal . So it realizes continuous real-time control to reduce the torque ripple .

传统SVM-DTC中使用两个PI控制器来产生参考电压矢量的两个分量。

In conventional SVM-DTC , two PI controllers are used to generate the two components of reference voltage vector .

将D1、D2、R1和R2换成一个可变参考电压源，本电路就变成了一个可控电源。

The power supply voltage may be controlled by replacing D1 , D2 , R1 and R2 with a variable voltage reference .

在SVM-DTC中使用了两个PI控制器，可以得到能够准确补偿当前定子磁链与转矩误差的参考电压矢量。

The synthesized reference voltage vector that could exactly compensate current flux and torque errors was generated by using two PI controllers .

文中提出的PWM算法的基本思想是由三相参考电压直接确定逆变器各个桥臂电路输出的开关函数及其作用规律，因此称之为直接PWM算法。

The basic idea of this PWM method named direct PWM method in this paper is to attain switching state and its operation rules of each bridge of multilevel inverters through three-phase voltage reference .

该脉冲发生器通过总线与主控制器实现数据交换，接收参考电压采样数据，返回功率单元的状态信息，以模块化方式设计实现PWM脉冲输出。

The pulse generator commutes with main controller through data bus , receives the sampling data of reference voltage , returns the operation information of power units , and outputs the PWM pulse with a modularization design .

该方法通过对负载参考电压相角的旋转和幅值的伸缩，扩大了DVR的补偿范围，减少了DVR的有功输出。

By making changes of reference voltage phase diagrams of load , this method can enlarge the compensation range and decrease the energy output of DVR .

为解决多电平逆变器的空间矢量调制（SVM）算法设计及实现的复杂性问题，提出了基于参考电压分解和零序电压等效的新型多电平SVM算法。

A simple , fast , and generally applicable multilevel space vector modulation ( SVM ) algorithm is described in this paper . The complex reference voltage vector is decomposed into an offset vector and a two-level model .

曲率补偿的2.5V参考电压源设计

Design of Curve Compensated 2.5 V Voltage Reference

为了降低DAC的输出电压对比较器输入范围的要求，大胆地采用电容缓压技术，最终可实现参考电压达到电源电压。

In order to reduce the DAC output voltage on the comparator input range requirements , bold use of capacitive pressure relief technique and ultimately to achieve the reference voltage to supply voltage .

介绍了可编程多通道TFT-LCD参考电压发生器专用电路EL-5825的工作原理、特点及应用。

The principle , characteristics and applications of EL-5825 which is the programmable 8-channel TFT-LCD reference voltage generator ASIC are introduced .

以励磁参考电压Vref为控制参数，研究了多个励磁参考电压可控时系统的分岔点以及失稳模式的变化，给出系统在多励磁调节器（AVR）可控时的最大动态负荷裕度；

The changes of bifurcation points and unstable modes are studied , and the maximal dynamic load margin in multi-parameter bifurcation space is given .