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本文涉及 NBS(美国标准局)近几年在各种频率稳定度测量,特别是刚提出并经实践证明是成功的新技术,及其比较和目前精度达到的最新水平。一、几个重要参量的定义一个精密振荡器,在不考虑幅度扰动的情
This article relates to NBS (American Bureau of Standards) measurements of various frequency stability in recent years, especially the new techniques that have just been proposed and proven to be successful, as well as the latest levels of comparison and current accuracy. First, the definition of several important parameters A precision oscillator, regardless of the magnitude of the disturbance situation