The paper describes the principle and configuration of the 10 V 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。
PC-controlled Josephson DC voltage standard equipment
一种可程控约瑟夫森直流电压标准装置
The DC voltage gradient coating defect survey method uses specially designed instrument to survey the effect of an impressed current cathodic protection system.
涂层有时将被损坏，直流电压梯度涂层缺陷检测技术使用专门设计的仪器来测量阴极保护系统感应电流的影响，这种方法可用来确定埋置管线的位置及涂层脱落面积的大小。
PC-controlled Josephson DC voltage standard equipment
一种可程控约瑟夫森直流电压标准装置
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。
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。
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
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。
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
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
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)
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
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
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
Comparison 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
frequency-DC voltage converter
频率-直流电压变换器
transistorized regulated DC power supply
晶体管直流稳压电源
D.C.resistive volt ratio boxes
GB/T3928-1983直流电阻分压箱
AC-DC digital voltage meter
交直流两用数字电压表
multiterminal HVDC transmission system
多端高压直流输电系统
two-terminal HVDC transmission system
二端高压直流输电系统
