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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The atomic population evolution vs. time in the system of two two-level coupling-atoms interacting with squeezed coherent light field is investigated.

利用全量子理论，在相互作用绘景中研究了两个耦合二能级原子与单模压缩相干态光场相互作用系统粒子布居几率的时间演化规律；

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The time evolution of atomic occupancy for the system of squeezed vacuum field interacting with two coupling atoms via intensity-dependent coupling in two-photon transition are investigated.

研究了频率随时间变化的压缩态光场与二能级原子的相互作用，主要讨论了光场频率随时间作正弦调制和脉冲调制两种典型情况下原子布居数反转随时间的演化特性。

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