Rubidiumatomicclock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.
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。
2
This paper introduces a user terminal equipment for the double-satellite positioning system. The terminal, named continuous navigation passive positioning system, is based on Rubidiumatomicclock.
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。
3
Based on available frequency standards: one prototype laboratory model of cesium clock, three hydrogen clocks and several (2-6) rubidium clocks, the SO atomic time scale has been established.