The experimental result shows that simulated astronomic radiation increases gradually with the decrease of DEM resolution.
实验结果显示，随着DEM栅格分辨率的降低，天文辐射逐渐增大；
Through analysis of the sensitive parameter CN of the SCS model, the sensitivity of runoff modeling to DEM resolution is described from the perspective of slope change.
根据SCS模型敏感参数cn，从坡度参数变化角度分析了不同分辨率的DEM对流域径流量影响。
Each node represents one DEM data block. According this separation, by quad-tree data structure can get global different resolution DEM data storage architecture.
每个结点表示一个DEM数据分块，根据如此剖分，由这棵四叉树结构就得到全球范围不同分辨率的DEM数据存储结构。
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 accuracy of flood area is mostly dependent on the contour interval of map, accuracy of digitizing map, accuracy of DEM, and interval of GRID, detecting resolution of pixels.
对于采用本方法计算淹没区，准确性受地形图等高距大小、数字化采集精度、数字地面模型（DEM）高程精度以及格网间隔大小、像素探测分辨率等因素的影响。
According to the result, grid size affects the accuracy of derived information, especially in the flat areas. We should choose the DEM with right resolution.
研究表明，DEM的水平分辨率对地形信息的精确性有影响，网格的增大增加了DEM对地形信息的概括，应根据不同的需要选择不同分辨率的DEM。
Carried forward the merit of SAR, InSAR can create high resolution DEM and accomplish change detection, such as slow-moving targets or subtle shift of the earth's surface.
它既继承了SAR的全天候、大范围、有一定穿透能力等优点，又具有对目标三维地貌进行高精度成像、对目标地面的慢速动目标和地壳微小移动作高精度检测等的能力。
A new data acquisition technology of high resolution DEM is presented.
介绍了高精度DEM数据采集的新技术。
A new data acquisition technology of high resolution DEM is presented.
介绍了高精度DEM数据采集的新技术。
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