The results showed that BP method can be used to do optimum spatial interpolation of DTM,the results can be directly used in DTM establishing. It offered a kind of new method of establishing DTM.

• 结果表明:基于BP法的人工智能技术可用于DTM的最优空间插值,插值结果可直接用于DTM数字建模,为数字地面模型的建立提供了1种新方法。