基于径向基函数的1∶5万规则分布重力数据插值参数优选

许海红, 韩小锋, 袁炳强, 张春灌, 王宝文, 赵飞, 段瑞锋

Optimization of interpolation parameters for 1∶50 000 regular distribution gravity data based on radial basis function

XU Hai-Hong, HAN Xiao-Feng, YUAN Bing-Qiang, ZHANG Chun-Guan, WANG Bao-Wen, ZHAO Fei, DUAN Rui-Feng

表8 椭圆形邻域扇区为4个时不同参数对应的残差结果

Table 8 Residual results of different parameters of 4 search sectors in elliptical neighborhood

分 类 搜索半径 R1~R2 各向异性比 率=R1/R2 各向异性角度=搜索角度 0° 32° 45° 90° 122° 135° A类 6~12 0.5 0.015553 0.020861 0.015845 0.014718 0.014723 0.014730 B类 6~9 0.667 0.014799 0.014106 0.015380 0.014883 0.014755 0.014870 C类 9~6 1.5 0.014850 0.014735 0.014825 0.014822 0.014330 0.015475 D类 12~6 2 0.014660 0.014698 0.014702 0.015532 0.021106 0.016584