DEM网格间距对重力远区地改精度的影响及效果

李忠平, 戴广凯, 张茂辉

The impact and effect of DEM grid spacing on the accuracy of gravity remote topographic correction

LI Zhong-Ping, DAI Guang-Kai, ZHANG Mao-Hui

图2 改进的双线性插值法图示

Fig.2 Improved bilinear interpolation method