对信号源的频率稳定度进行了分析，在此基础上提出了一种同时测量相参振荡器频率稳定度与定相精度的方法。该方法具有结构简单、操作方便的优点，且所需设备少，可达到较高的测量精度。

Frequency stability of signal source is studied in this paper, a nethod is provided to measure instantaneous frequency stability and phase accuracy of coherent oscillator. This method is of simple structure and operation, so high measure acuracy can be achieved.

TN753.91