## 留言板

 引用本文: 王江云, 曾琼, 王会霞等 . 基于小波分析的地形多分辨率建模方法[J]. 北京航空航天大学学报, 2014, 40(8): 1121-1126.
Wang Jiangyun, Zeng Qiong, Wang Huixiaet al. Multi-resolution modeling of terrain based on wavelet analysis[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1121-1126. doi: 10.13700/j.bh.1001-5965.2013.0473(in Chinese)
 Citation: Wang Jiangyun, Zeng Qiong, Wang Huixiaet al. Multi-resolution modeling of terrain based on wavelet analysis[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1121-1126. (in Chinese)

• 中图分类号: TP391

## Multi-resolution modeling of terrain based on wavelet analysis

• 摘要: 以提高运算效率和存储效率为目的研究了基于小波的数字高程模型（DEM，Digital Elevation Model）数据的多分辨率建模，根据DEM的数据特点在Mallat多分辨率分析算法的基础上，提出了基于小波分析的DEM数据多分辨率建模算法，对算法实现过程中的小波函数以及边界延拓方式的选取进行了阐述，提出了评价建模精度的相关指标，并通过仿真实验确定了恰当的小波参数.仿真结果表明，小波分析法是实现DEM多分辨率建模的有效方法，同时保证了良好的运算效率和存储效率.该方法可应用于地形的快速可视化、飞行器的动态和静态航路规划等工程应用中.

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##### 出版历程
• 收稿日期:  2013-08-08
• 刊出日期:  2014-08-20

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