铷钟又被称为铷原子钟， 铷频标是一种被动型原子频率，利用的是基态超精细能级之间的跃迁，铷原子钟由铷量子部分和压控晶体振荡器组成。铷原子频标短期稳定度最高可达到10-12量级，准确度为±5×10-11，具有体积小、精度高的特点。
... rubidium nitrate 硝酸铷 rubidium standard 铷钟 ; 铷标准溶液 Rubidium Fluoride 氟化铷 ; 氯化铷 ...
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该系统用高稳定度铷钟作为时间基准信号，实现了无源导航定位功能。
Rubidium atomic clock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.
介绍了一种基于铷钟的双星系统用户终端机——连续导航无源双星定位系统。
This paper introduces a user terminal equipment for the double-satellite positioning system. The terminal, named continuous navigation passive positioning system, is based on Rubidium atomic clock.
当卫星几何位置好的情况下，铷钟用于改善垂直精度，顺便还较正气压计的精度。
When the satellite geometry is good, the rubidium clock is used to improve vertical accuracy, and in turn, the calibration accuracy of the barometer.
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