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。

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Combining the project of telescope control system, the key technologies such as locking frequency, phase circuit, real_time data collecting, display and hardware interrupt are also presented.

对实现高精度速度控制所采用的关键技术锁频锁相控制方法，计算机的实时数据采集、显示和硬中断等进行了介绍。

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Frequency offset locking technology is widely applied in laser heterodyne detection and laser radar, which is of great value.

偏频锁定技术广泛应用于激光的外差探测、激光雷达等方面，具有重要应用价值。

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