本文主要研究GPS变形监测的基准稳定性分析及利用自适应卡尔曼滤波进行变形监测数据除噪。
In this paper we mainly study the base stability analysis of GPS deformation monitoring and suppressing the surveying data noise by adaptive Kalman filtering.
根据复测数据分析了基准点的变形原因和规律，得出了一些有益的结论和建议。
The cause and rule of deformation of datum point are analysized by data of repetition. Finally, some useful conclusions and suggestions are also given.
应用几何图形，分析了变形轴中心孔与其最大内接圆柱体的关系；建立数学模型，计算了变形轴打中心孔时机械定心基准面的最佳位置。
Applying geometric figures, the paper analyzed the relationship between the central holes and the maximum inscribed cylinder of a deformed shaft;
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