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在激光频率与各类振荡器(如铯、铷以及晶体等)频率稳定度的分析中,Allan方差的理论获得广泛的应用。但对闪烁相位噪声所引起的Allan方差公式中的常数,许多文献给出的数值相差很大。本文推导出的数值为4.038。
Allan’s theory of variance has been widely used in the analysis of the frequency stability of laser frequencies and various types of oscillators (such as cesium, rubidium and crystal). However, the values given by many literatures differ greatly for the constants in the Allan’s variance formula caused by the flicker phase noise. This article deduces the value of 4.038.