光纤陀螺零偏稳定性的数据建模方法研究

光纤陀螺零偏稳定性是非系统性的随机变化漂移率，在惯性系统中不能用简单的方法加以补偿，因而其成为衡量光纤陀螺精度的重要指标。但通过时间序列分析中的数据建模方法可对光纤陀螺的零漂测试数据建立零偏稳定性数学模型。这样，在由光纤陀螺构成的惯性系统中利用卡尔曼滤波方法可使光纤陀零稳定性对系统精度的影响降至最低限度。中还对建模过程作了较详细的阐述。

Investigation on the Modeling of Fiber Optic Gyro Bias Instability

The bias instability of fiber optic gyro is a nonsystematic random drift rate and its compensation is not easy.It is an important index in judging the accuracy of fiber opitc gyro.By using the data modeling methods of time series analysis,we can build the model of bias instability for the drift data of fiber optic gyro.Thus,we may use Kalman filter to greatly reduce the effects of bias instability of fiber optic gyros on the inertial navigatin systems.In this paper,the modeling process is also presented in detail.