Through using actual GPS leveling fitting data in a large-scale area, it introduces the application of optimum function model choice and the related analysis method.
文中通过一个大测区GPS水准实测数据，说明拟合模型优选准则的应用以及具体分析方法。
Wu Xiangding, Zhan Xuzhi. The applicability of spline function fitting in dendroclimatological analysis. Acta Meteorologica Sinica, 1991,49(1):100-103.
[吴祥定，湛绪志。样条函数拟合在年轮气候学分析中的可适用性。气象学报，1991，49（1）：100-103。]。
The polyhedral function fitting method had been used in the analysis of the crustal vertical deformation model.
多面函数拟合法已被应用于地壳垂直形变模型的分析中。
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