| 基于多波束声线传播的声速剖面反演法 |
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| 引用本文： | 阚光明,刘保华,王揆洋,张维冈. 基于多波束声线传播的声速剖面反演法[J]. 海洋科学进展, 2006, 24(3): 379-383 |
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| 作者姓名： | 阚光明 刘保华 王揆洋 张维冈 |
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| 作者单位： | 中国海洋大学 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 以测得的误差声速剖面作为初始猜测值,利用多波束记录到的波束传播时间和波束角等信息,通过广义线性反演得到一个与实际声速剖面比较接近的声速剖面,这有助于减少声速剖面的误差。通过理论模型计算,验证了该方法的可行性和正确性。
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| 关 键 词： | 多波束测深系统 声速剖面 广义线性反演 阻尼最小二乘法 |
| 文章编号： | 1671-6647(2006)03-0379-05 |
| 收稿时间： | 2005-07-04 |
| 修稿时间： | 2005-07-04 |
Method for Inversing Sound Velocity Profiles Based on Multi-beam Sonic Line Travel |
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| KAN Guang-ming,LIU Bao-hua,WANG Kui-yang,ZHANG Wei-gang. Method for Inversing Sound Velocity Profiles Based on Multi-beam Sonic Line Travel[J]. Advances in Marine Science, 2006, 24(3): 379-383 |
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| Authors: | KAN Guang-ming LIU Bao-hua WANG Kui-yang ZHANG Wei-gang |
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| Affiliation: | 1. College of Marine Geosciences , Ocean University of China, Qingdao 266003, China; 2. Key Lab of Marine Sedimentology and Environmental Geology, SOA, Qingdao 266061, Chnia; 3. First Institute of Oceanography, SOA, Qingdao 266061, China |
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| Abstract: | In this paper,taking the measured error sound velocity profile as the initial guess value,the sound beam travel times and beam angle recorded by the multi-beam system and the generalized linear inversion method are used to get a sound velocity profile close to the actual sound velocity profile,and the inversed sound velocity profiles have contributed to the reduction of sound velocity profile error.The theoretic model computed results have verified the feasibility and correctness of the inversion method. |
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| Keywords: | multi-beam sounding system sound velocity profile generalized linear inversion damped least square method |
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