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基于最优估计概念和ＡＩＣ准则，对静电陀螺随机漂移数据用递推算法建立时变系数ＡＲ模型，进而对时变系数和其规范化标准差，以及模型残差的方差进行讨论，根据系数和规范化标准差变化情况，判断陀螺是否存在奇异信号或故障。
Based on the concept of optimal estimation and AIC, the time-varying coefficient AR model was established by recursive algorithm for the electrostatic drift of the electrostatic gyroscope. Then the time-varying coefficients and their standard deviation and the variance of the model residuals were discussed. According to the coefficients and normalization Standard deviation changes, to determine whether there is a singular gyroscope signal failure or failure.