Phase Measurement Performance Evaluation of Differential Sampling System

被引：0

作者：

Jia, Zhengsen ^{[1
]}

Liu, Zhiyao ^{[1
]}

Li, Bo ^{[1
]}

Wang, Lei ^{[1
]}

Huang, Hongtao ^{[1
]}

Liu, Lijuan ^{[1
]}

机构：

[1] Natl Inst Metrol, Beijing 100029, Peoples R China

来源：

2018 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS (CPEM 2018) | 2018年

基金：

国家高技术研究发展计划(863计划);

关键词：

Differential sampling system; phase measurement; PJVS; stability; AC POWER STANDARD; JOSEPHSON;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we introduced a method to measure AC power. Here, phase measurement performance was evaluated from the following perspectives as zero phase and different angle stability, small angle accuracy. The results shown that the diffderential sampling system has a high accuracy, where the variety of zero is less than 0.1 mu rad in four days, the difference between differential sampling system and lock-in amplifier on small angle phase measurement is less than 0.1 mu rad, and the differential sampling system has a good stability in different angle phase measurement.

引用

页数：2

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