Voltage controlled crystal oscillator (VCXO) plays an important roll in the atomic frequency standard.

压控晶体振荡器是原子频标的重要组成部分。

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Analyses failures of XSR type of Rubidium atomic frequency standard used in our factory, and introduces the situation of particular overhaul in detail.

对我厂的频率标准X SR型铷原子频标发生的故障及具体检修情况作了较详细的分析和介绍。

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Atomic frequency Standard is the frequency and time benchmark of space technology and time awarding system, directly determining the quality of satellite communications.

原子频标是空间技术和授时系统的频率与时间基准，直接决定了卫星通信的质量。

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