交变电压

基于ISA总线的虚拟万用表，分计算机和ISA总线板卡两部分，由A/D转换、交变电压测量、电阻测量及接口电路组成。

The virtual multimeter based on ISA bus is divided into computer and ISA bus board . It is composed of A / D conversion , alternating voltage measurement , resistance measurement and interface circuit .

变压器其交变电压的改变与初级线圈及其次级线圈的匝数成正比。

An electric transformer changes the alternating voltage applied to it in proportion to the numbers of turns in its primary and secondary windings .

许多生命过程涉及到交变电压和交变电流。

Many life processes involve alternating voltages and currents .

在交变电压作用下，该压电执行器将压电体的弯曲振动转化成其弹性足沿管壁的移动，从而实现执行器的运动。

By the piezoelectric effect , the bending vibration of the piezoelectric elements are transferred into the walking motion of the legs .

另外，CS&DCEL屏在交变电压驱动下具有较好的老化特性和较高的发光效率，它可能成为将来很有前景的一种发光显示器件。

When CS-DCEL panels are driven under alternating and pulsing current , it is showing a better aging characteristics and a higher luminescent efficiency , and it might be a good luminescent panels in the future .

〕车轮速度传感器的作用是将车轮的转速转变为交变的电压信号，输送给电子控制系统（ECU），并发出相应的指令。

The function of the wheel speed sensor is to transform the wheel speed into the alternative voltage signal and send it to the electronic control unit ( ECU ) which will send out relevant instructions according to the signal .

在电力系统中，传送的信号是工频交变的电压/电流信号。

In electric system , the deferent signal is a labor frequency alternation voltage / electric current signal .

本文在对莫尔条纹中的电阻链幅值细分技术研究分析的基础上，提出了四倍频交变参考电压电阻链幅值细分方案。

After analysing the resistance-chain amplitude subdivision technology regarding Moore-stripes , this paper provides the resistance-chain amplitude subdivision plan With quadruple-frequency alterna-tive reference voltage .

又对比分析了Zeta式三电平、两电平Buck和Cuk交-交变换器的电压频谱结构，证明了三电平技术改善了变换器频谱结构，可减小滤波器的体积和重量，提高输出波形质量。

Comparison of the voltage spectrums between Zeta mode three-level , Buck and Cuk two-level ac / ac direct converter verifies that three-level can get a better spectrum , so it can reduce the bulk of the filter and improve the quality of output voltage .

由Josephson关系，得出DSC系统分别处于稳恒磁场和交变磁场时，两结间所加交变电压的直流分量改变，将导致系统的dcJosephson电流产生多次阶梯效应。

By the relation of Josephson , when the voltage between junctions of DSC system is changed and DSC system is in the constant magnetic field or various magnetic field , dc Josephson current of the DSC system has the effect of many steps .