| 关于表层声速对多波束测深影响及改正的探讨 |
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| 引用本文： | 刘胜旋.关于表层声速对多波束测深影响及改正的探讨[J].海洋测绘,2009,29(6):26-29. |
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| 作者姓名： | 刘胜旋 |
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| 作者单位： | 广州海洋地质调查局,资料处理研究所,广东,广州,510760 |
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| 摘 要： | 通过分析波束形成的原理与实测数据处理得出结论：表层声速误差将对多波束测量产生不可挽回的错误；而当表层声速正确、声速剖面误差时，在后处理可以通过适当的声速剖面加以改正。
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| 关 键 词： | 多波束测深 表层声速 声速剖面 波束形成 波束指向角 |
The Correction and Effect of Surface Sound Velocity on the Multibeam Echosounding |
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| LIU Sheng-xuan.The Correction and Effect of Surface Sound Velocity on the Multibeam Echosounding[J].Hydrographic Surveying and Charting,2009,29(6):26-29. |
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| Authors: | LIU Sheng-xuan |
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| Institution: | LIU Sheng-xuan ( Institute of Data Processing of Guangzhou Marine Geological Survey, Guangzhou, Guangdong, 510760) |
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| Abstract: | The paper comes to the conclusion through analysis of the principles of beamforming and the measured data processing, ff there are some errors in measured surface sound velocity, it will have an irreparable error for the multibeam data;while the surface sound velocity is right, and sound velocity profile has error, the surveyed data can be recorrected by the appropriate sound velocity profile in post-processing. |
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| Keywords: | multibeam bathymetric survey surface sound velocity sound velocity profile beam forming angle of beam steer |
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