Abstract
In Diaobingshan area, Use 76 data points (geodetic height and normal height are known) as experimental data, the quadric surface fitting mean square error as GPS height partition fitting basis in the area. In 76 data points, some data points which GPS height fitting residual value is less than the quadric surface fitting mean square error in a region, other points which GPS height fitting residual value is more than the quadric surface fitting mean square error in a region, in the same time, individual regions (data points is less) use mobile triangle method to establish GPS height the fitting model. The experiment prove that the effect of this kind partition fitting method is better than that of no partition fitting method, has a certain reference value.
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