The drift performance of IFOG must be improved in order to apply IFOG to inertial navigation.
为了把IFOG应用于惯性导航领域，必须改善其漂移特性。
Furthermore, a random drift error model for IFOG is built by the method of time series analysis.
此外，采用时间序列分析方法，建立了IFOG的随机漂移误差模型。
The scale factor linearity and stability of the IFOG must be improved in order to apply IFOG to high-precision case.
为了应用于高精度领域，必须提高光纤陀螺标度因数的线性度和稳定性。
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