摘要
基于GPS共视法远程校准原理,在上海市计量测试技术研究院与华东师范大学之间搭建了GPS共视比对远程校准系统。利用该系统为华东师范大学精密光谱科学与技术国家重点实验室(科技部)的铷原子频率标准装置提供远程校准服务。基于30 d CGGTTS标准格式文件的实验数据和所编制的数据分析软件,分别计算出铷原子频率标准的相对频率偏差、相对频率准确度、频率日漂移率和日稳定度。实验结果表明,这些参数满足技术规范提出的技术指标要求。该GPS共视比对远程校准系统具备正确性、稳定性和可靠性的优点,能够为铷原子频率标准装置提供可行的远程量值溯源服务。
Based on the principle of GPS common view method ofremote calibration, we built a remote comparison and calibration systembetween Shanghai Institute of Measurement and Testing Technology andEast China Normal University, and used the system to provide remotecalibration service of rubidium atomic frequency standard for KeyPrecision Spectroscopy Science and Technology Laboratory(Ministryof Science and Technology) of East China Normal University. Based onthe experimental data of 30 days CGGTTS standard file and compileddata analysis software, we calculated the relative frequency deviation,relative frequency accuracy, daily drift and daily stability of the rubidiumatomic frequency standard which were consistent with their technicalrequirements of technical regulations. The experimental results showedthat the remote calibration system based GPS common view method hadthe advantages of accuracy, stability and reliability, which can providefeasible remote traceability for the rubidium atomic frequency standardsystem.
作者
徐亮
胥婕
董莲
徐信业
Xu Liang;Xu Jie;Dong Lian;Xu Xinye(Shanghai Institute of Measurement and Testing Technology;East China Normal University)
出处
《上海计量测试》
2016年第4期18-21,共4页
Shanghai Measurement and Testing
关键词
远程校准
原子频率标准
GPS共视法
时间频率
remote calibration
atomic frequency standard
GPS common view
time frequency
