| 提高河口地区水下地形测量精度的方法 |
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| 引用本文： | 许宝华,何慧兰.提高河口地区水下地形测量精度的方法[J].地理空间信息,2010,8(5):126-127,143. |
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| 作者姓名： | 许宝华 何慧兰 |
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| 作者单位： | 1. 长江水利委员会长江口水文水资源勘测局,上海,200136
2. 长江中游水文水资源勘测局,湖北,武汉,430012 |
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| 摘 要： | 采用配备多元传感器的高精度的无验潮水下地形测量模式、根据测区温度和盐度变化采用声速仪对声速进行实时改正、对系统时延进行准确的改正、正确的测量数据处理等来提高河口地区水下地形测量精度。
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| 关 键 词： | 无验潮模式 水下地形测量 声速 时延 |
Methods for Improving Measurement Accuracy of Uuderwater Topographic Survey in Estuary Area |
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| XU Baohua,HE Huilan.Methods for Improving Measurement Accuracy of Uuderwater Topographic Survey in Estuary Area[J].Geospatial Information,2010,8(5):126-127,143. |
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| Authors: | XU Baohua HE Huilan |
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| Institution: | 1.The Survey Bureau of Hydrology and Water Resources of Changjiang Estuary,Shanghai 200136,China; 2.Bureau of Hydrology ＆ Water Resources Survey of the Middle Yangtze River,Wuhan 430012,China) |
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| Abstract: | Application of underwater topographic survey without tidal mode equiping with multielement bar,to correct velocity in real time with velocimeter according to the changes of temperature and salinity , to improve measurement accuracy of underwater topographic survey by correcting the system time-delay and processing the correct and survey data. |
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| Keywords: | without tidal mode underwater topographic survey velocity system time-delay |
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