基于线性GSI二维半变异函数各向异性结构建模及估计研究——以DEM数据为例

高歆

Anisotropic modeling and estimation for a two-dimensional semi-variogram based on the linear GSI Model: Taking DEM data as an example

GAO Xin

图7 样本椭圆拟合

Fig. 7 A diagram to depict how to fit the samples on a scale with an ellipse