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基于机载激光雷达测深技术的海底底质分类研究进展
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Abstract:
机载激光雷达测深技术是一种非常适合沿海地区测绘的技术。机载激光雷达测深系统不仅可以获得水深数据，还能同时获得含有底质信息的激光脉冲回波数据。随着机载激光雷达测深技术的革新和应用，其底质分类功能得到不断的开发，基于机载激光雷达测深波形数据，并结合水深衍生数据的海底底质分类效率不断提高，通过与多源遥感信息的结合，海底底质分类的精度也有所提升。本文主要论述了机载激光雷达测深技术在海底底质分类研究的现状，介绍了机载激光雷达测深技术的基本原理，分析了该领域存在的主要问题，展望了基于机载激光雷达测深技术的底质分类研究的发展趋势。
Airborne lidar bathymetric technology is a very suitable technology for coastal area surveying and mapping. Airborne lidar bathymetric systems can not only obtain water bathymetry data, but also obtain laser pulse waveform data containing bottom material information. With the innovation and application of airborne lidar bathymetry technology, its seabed sediment classification function has been continuously developed. The efficiency of seabed sediment classification based on airborne lidar bathymetry waveform data and combined with water bathymetry derived data has been continuously improved. Through the combination of multi-source remote sensing information, the accuracy of seabed sediment classification has also been improved. This article mainly discusses the current situation of airborne lidar bathymetry technology in seabed sediment classification, introduces the basic principles of airborne lidar bathymetry technology, analyzes the main problems in this field, and looks forward to the development trend of research on seabed sediment classification based on airborne lidar bathymetry technology.
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