直流电压标准,DC voltage standard
1)DC voltage standard直流电压标准
1.PC-controlled JosephsonDC voltage standard equipment一种可程控约瑟夫森直流电压标准装置
英文短句/例句
1.PC-controlled Josephson DC voltage standard equipment一种可程控约瑟夫森直流电压标准装置
2.This presentation will overview researches and applications of quantum standards in electrical metrology such as dc voltage, resistance and ac-dc measurements.概括介绍直流电压、电阻等量子标准和交流－直流转换测量的研究进展。
3.The superior voltage stability of such a Josephson voltage standard has many applications in dc voltage metrology.此约瑟夫森电压标准杰出的电压稳定性在直流电压计量中可以有许多应用。
4.Indutrial Interfence of the Standard Cell in a Dc Potentiometer System直流电位差计中标准电池受到的干扰
5.It os easy to adjust,its step precision is high , and can be used for a standard DC voltage source for electronic instrument.该电源具有调整方便、步进精度高等特点，可作为电子仪器直流标准电压源。
6.The Calibration and Uncertainty Evaluation of the Accurate DC Standard Current Source高准确度直流标准电流源的校准与不确定度评定
7.Verification and uncertainty evaluation of the DC low current reference source直流小电流标准源的检定与不确定度评定
8.Discussion on the Test Requirements and Standards for UHVDC Converter Transformers特高压直流换流变压器试验标准和要求的探讨(英文)
9.On the Inductance of the Calculable AC/DC Resistance Standard of Toriod Type;用于计量标准的交直流电阻标准转换的电感计算
10.Case of Unbalance Rate Going Beyond Standard of Direct Current Resistance of Power Transformer电力变压器直流电阻不平衡率超标案例
11.Research on Isolated Half Bridge VRM Topology with Low Voltage High Current Output;隔离型半桥低压大电流VRM标准拓扑研究
parison of the Josephson Voltage Standards of Beijing Institute of Radio Metrology Measurement and Physikalisch-Technische Bundesanstalt直流电压国家计量副基准与德国PTB国家计量基准的比对
13.frequency-DC voltage converter频率-直流电压变换器
14.transistorized regulated DC power supply晶体管直流稳压电源
15.D.C.resistive volt ratio boxesGB/T3928-1983直流电阻分压箱
16.AC-DC digital voltage meter交直流两用数字电压表
17.multiterminal HVDC transmission system多端高压直流输电系统
18.two-terminal HVDC transmission system二端高压直流输电系统
相关短句/例句
V DC voltage standard10V直流电压标准
1.The paper describes the principle and configuration of the 10V DC voltage standard, introduces 9∶1 Hamon voltage comparator and high stable constant current source, and analyses the uncertainties of the measurement system.本文叙述了新型 10V直流电压标准的工作原理及系统组成 ,介绍了 9∶1哈蒙电压比较仪和高稳定恒流源的研制方法 ,并分析了标准装置的测量不确定度。
3)DC current standard直流电流标准
4)DC Heavy Current Standard直流大电流标准
5)direct current standard resistor直流标准电阻
1.A new method calibrating direct current resistance measurer with active high powerdirect current standard resistor box is introduced which consists of a high-power standard resistor and a precise electronic voltage transformer box.介绍了由大功率标准电阻与精密电子变压箱构成的有源大功率直流标准电阻器校验直流电阻测量仪的新方法,使校验精度、操作免受大电流、大功率的影响及有源大功率直流标准电阻器的硬、软件设计,分析了其误差的来源。
6)standard DC power supply标准直流电源
延伸阅读
直流直流Direct current直流(direet。urrent) ，仅按一个方向流过电路或设备的电流称为直流。与交流电压相比，直流电压的极性是不变的。直流电流相当于电荷沿着闭合的电路以不变的方向流动或位移。直流电流和电压的幅值可以恒定，也可以随时间变化。蓄电池和旋转发电机产生幅值恒定的额定直流电压，整流器产生幅值随时间而变的直流电压。整流器把交流电压变换为脉动的直流电压。通常电站不是广泛地将直流电输配给一般用户，相反，在需要直流电(d。)能的场所，是把商业上合用的交流电(ac)能整流为直流电能。 「罗布(D.D.Robb)撰]
