| 机载激光雷达测深技术研究与进展 |
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| 引用本文： | 王鑫,潘华志,罗胜,杨鑫丽.机载激光雷达测深技术研究与进展[J].海洋测绘,2019,39(5):78-82. |
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| 作者姓名： | 王鑫 潘华志 罗胜 杨鑫丽 |
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| 作者单位： | 战略支援部队信息工程大学地理空间信息学院,河南郑州,450001;32022部队,湖北武汉,430000;武汉海达数云技术有限公司,湖北武汉,430000 |
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| 摘 要： | 当前包括内河、水库及海域在内的水上、水下地形测量任务需求不断增加,进行水域或海洋测绘领域研究已提升到新的国家战略性高度。首先介绍了当前机载激光雷达水深测量的基本原理;概括总结了激光测深中的波形处理、波浪潮汐改正、折射改正、航带拼接与数据融合等关键技术,对测深的精度及误差影响进行了分析。最后结合当前技术的发展及新技术的出现,对未来机载激光雷达测深技术的发展进行了展望。
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| 关 键 词： | 海洋测绘 机载激光雷达 激光测深 双色激光 水下地形 |
Bathymetric Technology and Research Status of Airborne Lidar |
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| WANG Xin,PAN Huazhi,LUO Sheng,YANG Xinli.Bathymetric Technology and Research Status of Airborne Lidar[J].Hydrographic Surveying and Charting,2019,39(5):78-82. |
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| Authors: | WANG Xin PAN Huazhi LUO Sheng YANG Xinli |
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| Institution: | School of Surveying and Mapping,Strategic Support Force Information Engineering University,Zhengzhou 450001 ,China;32022 Troops,Wuhan 430000 ,China;Wuhan Haida Cloud Technology Co.,LTD.,Wuhan 430000 ,China |
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| Abstract: | At present,the demands for overwater and underwater topographic survey tasks,including inland rivers,reservoirs and sea areas,have been increasing,and the research in the field of water or marine surveying and mapping has been raised to a new national strategic level.Firstly,the basic principle of current airborne lidar bathymetry technology is introduced.Then,the key techniques in laser bathymetry including wave processing,wave tide correction,refraction correction,strip splicing and data fusion are summarized,and the accuracy and error influence of bathymetric are analyzed.Finally,the future development of airborne lidar bathymetry technology is prospected combined with the development of current technologies and the emergence of new technologies. |
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