Mr. Long Zhao Profile

Long Zhao

at Beihang Univ

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Proceedings Article | 24 October 2017 Paper

Selection method of terrain matching area for TERCOM algorithm

Qieqie Zhang, Long Zhao

Proceedings Volume 10458, 1045809 (2017) https://doi.org/10.1117/12.2281698

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The performance of terrain aided navigation is closely related to the selection of terrain matching area. The different matching algorithms have different adaptability to terrain. This paper mainly studies the adaptability to terrain of TERCOM algorithm, analyze the relation between terrain feature and terrain characteristic parameters by qualitative and quantitative methods, and then research the relation between matching probability and terrain characteristic parameters by the Monte Carlo method. After that, we propose a selection method of terrain matching area for TERCOM algorithm, and verify the method correctness with real terrain data by simulation experiment. Experimental results show that the matching area obtained by the method in this paper has the good navigation performance and the matching probability of TERCOM algorithm is great than 90%

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