In the H-FDTD method, Hegxagon grid is used for the spatial discretization by virtue of peridodical sampling theorem based on arbitrary geometry.
这种方法基于任意几何形状网格的抽样定理，利用六边形网格来实现空间离散化。
The DEM spatial resolution and sampling method have a great impact on the watershed features.
DEM空间分辨率和重取样方式对流域特征参数的提取会产生重要影响。
The theory sampling number was presented on the base of the spatial pattern. Several sampling methods were compared and the results showed that the parallel sampling method is the best.
在空间格局研究的基础上提出了理论抽样数，并通过不同抽样方式的精度比较，得出平行线抽样方式最佳。
应用推荐