Data fusion technique for multibeam echosoundings |
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| Authors: | Huang Motao Zhai Guojun Ouyang Yongzhong Liu Yanchun |
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| Institution: | Tiahjin Institute of Hydrographic Surveying and Charting , Tianjin , China |
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| Abstract: | On the basis of an analysis of the error sources in multibeam echosounding system, a data processing method for compensating systematic errors in multibeam survey is proposed. In order to improve the accuracy of overall swath, a data fusion technique using single beam survey data as control information for single beam and multibeam echosounding is then presented. Some questions involved in solving the adjustment problem, such as its feasibility and the numerical stability, are discussed in detail, and a two-step adjustment method is suggested. Finally, a practical survey data set is used as a case study to prove the efficiency and reliability of the proposed methods. |
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| Keywords: | multibeam echosounding error compensation data fusion |
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