星载铷钟频率漂移修正方法研究  

Research on Frequency Drift Correction Method of Spaceborne Rubidium Atomic Clock

作　　者：王剑祥 张金海[1] 陈溶波[1] 涂建辉[1] 杨炜[1] 崔敬忠[1] WANG Jianxiang;ZHANG Jinhai;CHEN Rongbo;TU JianHui;YANGWei;CUI Jingzong(Science and Technology on Vacuum Technology and Physics Laboratory,Lanzhou Institute of Physics,Lanzhou 730000,China)

机构地区：[1]兰州空间技术物理研究所真空技术与物理重点实验室

出　　处：《真空与低温》2019年第6期398-402,共5页Vacuum and Cryogenics

摘　　要：针对星载铷钟具有短期频率稳定度高和频率漂移大的特点,为更好地发挥其在导航卫星中的作用,通过分析具体的星载铷钟频率变化过程,研究了频率漂移修正的方法和策略,提出采用星载铯钟作为参考源进行频率漂移修正的途径。With the characteristics of high short term stability and large frequency drift,Rubidium atomic clock on board navigation satellite need to be compensated and corrected from time to time to highlight its advantage.According to its real trend of frequency drift after power on,different prediction methods were compared.The compensation technical route were proposed for autonomous navigation based on cesium and rubidium assembly.

关 键 词：星载铷钟 频率漂移 修正 

分 类 号：TM935.115[电气工程—电力电子与电力传动]