accuracy of dem data的意思|示意

Experimental results indicate that the main influencing factor on the accuracy of DEM data is pixel size.

实验结果表明，影响DEM数据的精度的主要因素是像元大小。

In this paper, a method used for determination of accuracy of DEM data derived from digitized frame photos (or digital image) by digital photogrammetric systems has been developed.

论述一个由数字化画幅式像片(或数字影像)用数字摄影测量系统生成的DEM数据精度的确定方法。