本文对一个两自由度液浮陀螺的水平随机漂移数据进行统计计算,建立陀螺随机漂移的自相关模型,并在最小二乘意义下对模型的参数进行了估计.分析的结果表明:指数相关的陀螺随机漂移过程是平稳的,它的概率分布是高斯的,并具有—阶马尔柯夫过程的特性. In this paper, we calculate the horizontal random drift data of a two-degree-of-freedom liquid floating gyroscope and establish the autocorrelation model of the gyroscope random drift, and estimate the parameters of the model in the least squares sense.The results show that: The gyro random drift process is stationary, its probability distribution is Gaussian, and has - Markov chain process characteristics.