| 摘要: |
| 对建立DEM模型的一般原理和影响DEM生成效率的因素进行了分析，指出改进DEM生成算法效率的关键在于改进离散数据存储结构和在其中的查找算法。 |
| 关键词: DEM,模型,算法,效率分析 |
| DOI： |
| 修订日期：1999-07-01 |
| 基金项目: |
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| Efficiency Analysis of Building DEM |
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| Abstract: |
| The general theory and method of building DEM and the factors influencing the efficiency of building DEM are presented and analyzed. The key of improving the efficiency of the building algorithm is to improve the storage structure of dispersed sampling data and the search algorithm. |
| Key words: DEM,model,algorithm,efficiency analysis, |
