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.

youdao

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.

youdao