
Performances evaluation of different open source DEM using Differential Global Positioning System (DGPS)
Keywords: RBF، عملکرد پایه شعاعی; SRTM, Shuttle radar topographic mission; ASTER, Advanced Space Borne Thermal Emission and Reflection Radiometer; DGPS, Differential Global Positioning System; IDW, Inverse Distance weight; GPI, Global Polynomial Interpolation; RBF, Radial Basis Function;