在海上进行试验的过程中,对船舶姿态的了解有助于优化试验结果的评定。目前,随着GPS载波相位动态差分技术的成熟运用,利用GPS进行高精度姿态测量,已经可以代替昂贵的高精度导航设备提供姿态真值。本文分析了GPS测姿在海上应用时的关键技术和容易出现问题,有助于利用该技术更好的完成工程需要。 During the test at sea, knowledge of the ship’s attitude helps to optimize the evaluation of the test results. At present, with the mature application of GPS carrier phase dynamic differencing technology, the use of GPS for high-precision attitude measurement can replace the expensive high-precision navigation equipment to provide attitude truth value. This paper analyzes the key technologies and easy problems when using GPS attitude measurement in the sea, and helps to better utilize the technology to complete the project.