| 海道测量中余水位分离方法的研究 |
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| 引用本文： | 黄辰虎,卫国兵,翟国君,申家双,欧阳永忠,王耿峰,肖付民.海道测量中余水位分离方法的研究[J].海洋测绘,2013(6):5-10. |
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| 作者姓名： | 黄辰虎 卫国兵 翟国君 申家双 欧阳永忠 王耿峰 肖付民 |
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| 作者单位： | [1]海军海洋测绘研究所,天津300061 [2]天津海事测绘中心,天津300222 [3]海军大连舰艇学院海洋测绘系,辽宁大连116018 |
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| 基金项目： | 国家863计划项目（2006AA06A202,2009AA121405）;国家自然科学基金项目（41174062）;国家重大科学仪器设备开发专项（2011YQ120045）. |
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| 摘 要： | 证明了基于余水位信息进行海洋潮汐推算时不需考虑测量区域内潮汐性质是否相似;计算了中数法、陈宗镛法、Rossiter法、Doodson法、Godin法关于63个主要分潮的滤波器谱数值,从理论上对各模型滤波能力进行了量化表征;基于上述滤波法进行了仿真和实测水位的余水位分离计算。结果表明,Godin法可基本消除实测水位的短周期分潮影响,若进一步消除其隐含的中、长周期分潮影响,则Godin法在海道测量水位改正中将有更大应用价值。
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| 关 键 词： | 海道测量 水位改正 余水位 分离 低通滤波 |
Methods for Separation of Residual Water Levels in Hydrographic Survey |
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| HUANG Chenhu,WEI Guobing,ZHAI Guojun,SHEN Jiashuang,OUYANG Yongzhong,WANG Gengfeng,XIAO Fumin.Methods for Separation of Residual Water Levels in Hydrographic Survey[J].Hydrographic Surveying and Charting,2013(6):5-10. |
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| Authors: | HUANG Chenhu WEI Guobing ZHAI Guojun SHEN Jiashuang OUYANG Yongzhong WANG Gengfeng XIAO Fumin |
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| Institution: | 3 ( 1. Naval Institute of Hydrographic Surveying and Charting, Tianjin 300061, China; 2. Tianjin Hydrographic Center, Tianjin 300222, China; 3. Department of Hydrography and Cartography, Dalian Naval Academy, Dalian 116018, China) |
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| Abstract: | The independence between residual water levels and the similarity of tidal nature in surveying areas was proved. The filtering spectrum numerical values of 63 main constituents were calculated with the Median- method, the Chen Chung-Yong method, the Rossiter method, the Doodson method, and the Godin method. Theoretically, the filtering capability of each model was quantified and characterized. Based on the above filtering methods,calculations for separating the residual water levels of simulatied and measured water levels were conducted. The results showed that the Godin method can basically eliminate the short-period tidal constituent influence of the measured water levels, and if the medium and long period constituent influence was further eliminated, the Godin method would have greater value in the hydrographic surveying water level correction. |
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| Keywords: | hydrographic surveying water level correction residual water level separation low-pass filtering |
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