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Proceedings Paper

An improved TERCOM algorithm and its application in a submarine terrain aided navigation system
Author(s): Zunyi Xu; Lei Yan; Guangjun Liu; Hua Wang
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Paper Abstract

Terrain contour matching (TERCOM) algorithm is the main one in the conventional terrain aided navigation system. When it has been directly applied to the submarine terrain aided navigation (STAN) system, the accuracy and stability are primely reduced. To solve these problems, the detail analyses about the particularities of the STAN and the disadvantages of the conventional TERCOM algorithm have been made. The improvement for the TERCOM algorithm on the measurement function, the water depth survey error and the scheme to prevent fail positioning has been done. Moreover, experiments with pedestrian simulation confirm the effectiveness of the improved TERCOM algorithm. The system achieves higher positioning precision than that of conventional one.

Paper Details

Date Published: 28 October 2006
PDF: 11 pages
Proc. SPIE 6418, Geoinformatics 2006: GNSS and Integrated Geospatial Applications, 64180M (28 October 2006); doi: 10.1117/12.712620
Show Author Affiliations
Zunyi Xu, China Univ. of Mining & Technology (China)
Peking Univ. (China)
Lei Yan, Peking Univ. (China)
Guangjun Liu, Navy Equipment Institute (China)
Hua Wang, China Univ. of Mining & Technology (China)
Peking Univ. (China)

Published in SPIE Proceedings Vol. 6418:
Geoinformatics 2006: GNSS and Integrated Geospatial Applications
Deren Li; Linyuan Xia, Editor(s)

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