The method for locking frequency according to CPT line is studied. The model of frequency detection for physical package is attained according to analysis the course of detection.
进而研究根据CPT谱线实现原子钟锁频的数学过程，并通过对激光调制过程中物理鉴频系统的信号流分析得到物理系统的鉴频模型。
The frequency locking, frequency jump between neighboring modes and the hysteresis phenomenon are observed.
观察到锁频，相邻模式间的频率跳变及滞后等现象。
The paper presents a new type of loop, which USES first-order or second-order steady-state zero-error systems for locking, frequency multiplication and tracking.
本文介绍了一种用一阶或二阶无静差系统来锁定、倍频和跟踪的新型环路。
The paper presents a new type of loop, which USES first-order or second-order steady-state zero-error systems for locking, frequency multiplication and tracking.
本文介绍了一种用一阶或二阶无静差系统来锁定、倍频和跟踪的新型环路。
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