Static alignment accuracy of two-position is 20 seconds, dynamic alignment accuracy of two-axis rolling and intermittent rolling is 30 seconds.
两位置静对准试验对准精度为20角秒，双轴摇摆和断续式双轴摇摆两位置晃动对准试验的对准精度达到30角秒。
To improve the accuracy and reduce the setting time for the initial alignment of marine attitude heading reference system(AHRS) under motion, a method of two-position alignment was presented.
为提高船用航姿系统的对准精度和对准速度，提出了摇摆条件下的两位置对准方案。
The high alignment accuracy of precision position is very important.
精密定位的高精度是精密定位技术研究的重要课题。
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