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中文摘要：
利用海底地形匹配辅助导航是水下载体导航技术致力研究的新方向。通过多波束测深系统测量获得的真实地形数据，采用ICCP算法为对准匹配算法，分析了实测地形的统计特征对相关匹配性能的影响，给出了地形匹配区域选择准则，并在实测地形图上利用匹配算法对此进行了仿真研究，从而得到水下载体的最佳匹配位置，提高水下载体的导航精度。
英文摘要：
Terrain match aided navigation is a new method in navigation technology of underwater vehicles. In this paper, the real terrain data were obtained by using Multi-Beam Sounding System, and ICCP algorithm was selected as registration matching algorithm. The measured terrain data and the algorithm show that the terrain matching is influenced by various statistical characteristics of the measured terrain data. The empirical selection criterion of matching area was given by using local terrain standard deviation and local terrain correlation coefficient as quantity indexes in selecting terrain matching area. So the accumulative errors of the Inertial Navigation System can be corrected, and the optimal matching position can be obtained.
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