查询词典 voltage barrier

Thirdly, the thesis has conducted the simulation research of the three-phase voltage-type PWM rectifier system, has established the simulation models of the main circuit, the space voltage vector PWM control module and PI regulator, and has carried on the simulation for the three-phase voltage PWM rectifier system.

其次，介绍三相电压型PWM整流器的控制方法，深入研究三相电压型PWM整流器的空间电压矢量脉宽调制控制方法，进行三相电压型PWM整流器的PI控制调节器的设计。

First of all, the circuit output waveform in the case of losing it by measuring the input voltage and output voltage in order to detect amplification of analog circuits, and then by adjusting the frequency of AC voltage source to reduce the output gain make 3db analog circuits in order to measure the maximum cut-off frequency, pass band can be obtained.

本电路首先在输出波形不失真的情况下通过测量输入电压和输出电压从而测出模拟电路的放大倍数，然后通过调节交流电压源的频率使得输出增益减少3db从而测量出模拟电路的上限截止频率，即可求出通频带。

HMC1022 magnetoresistive sensor based on a weak magnetic field test system, in the intensity of magnetic induction into a small amount of DC voltage, the voltage level by the amplification for the amount of voltage into digital with TLC2543 volume, and then through the single-chip AT89S52 data processing, carried out using two-way LCD1602 display.

基于磁阻传感器HMC1022的弱磁场测试系统，在将磁感应强度转化为微小的直流电压量以后，经放大为伏特级的电压量用TLC2543转化为数字量，再通过单片机AT89S52进行数据的处理，用LCD1602进行双路的显示。

It has a base internal circuit, resulting in a period of 20ms, the base width of 1.5ms signal, will be the DC bias voltage and the voltage comparator potentiometer to obtain the output voltage difference.

它内部有一个基准电路，产生周期为20ms，宽度为1.5ms的基准信号，将获得的直流偏置电压与电位器的电压比较，获得电压差输出。

The feedback signal and a reference voltage are compared by the comparator, and when the value of the feedback signal is equal to that of the reference voltage, the comparator produces a switch control signal to regulate the duty ratio of the switch circuit so as to stabilize the output voltage.

通过一个比较器比较这个反馈信号和参考电压，当反馈信号与参考电压的值相等时，此比较器产生一个开关控制信号调节开关电路的占空比以稳定输出电压。

Although designed as fixed-voltage regulators, the output voltage can be increased through the use of a simple voltage divider.

尽管作为修理电压管理者设计了，输出电压能通过一简单的电压分配的使用被增加。

In March 2004, our resistor divider voltage transducer samples of rated voltage 10KV and 35KV passed the type tests in Wuhan Institute of High Voltage.

年 3 月，我们研制的 10kV、35kV 电阻分压式电压互感器样机在武汉高压研究所进行了型式试验。

In March 2004, our resistor divider voltage transducer samples of rated voltage 10KVand 35KV passed the type tests in Wuhan Institute of High Voltage.

年 3 月，我们研制的 10kV、35kV 电阻分压式电压互感器样机在武汉高压研究所进行了型式试验。

A new AC voltage stabilizer with over voltage and under voltage protection was designed.

针对目前国内外稳压器现状及存在的问题，设计出一种采用先进电子元件、具有过压和欠压保护功能新型交流稳压器。

The result of experiment manifests switching mode voltage stabilizer have the quality of higher frequency response and higher regulation of voltage and burden,it is a switching mode voltage stabilizer with better performance.

实验结果表明，该开关稳压电源具有频响快、电压调整率和负载调整率高的特点，是一种性能较好的开关稳压电源。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。