因此，初始定向误差和陀螺漂移的影响不能忽略，必须对其进行估计和补偿。
Thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated.
同时采用陀螺定向系统有效地抑制了导线横向误差积累。
At the same time, the accumulated error of traverse measurement is effectively controlled by use of a gyro orientation system.
战车用惯性定位定向系统由于采用双轴陀螺平台结构，不可避免地存在着支架误差，从而影响系统航向精度。
The inertial system of fighting vehicle existed bracket error due to its two-axis gyro platform structure, and this could influence the heading precision.
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