机载激光测深技术的研究进展  

Research process of airborne laser bathymetry

作　　者：张熠星 尚建华[1] 贺岩 ZHANG Yixing;SHANG Jianhua;HE Yan(School of Information Science and Techology,Donghua University,Shanghai 201620,China;and Fine Mechanics Co.Ltd.,Shanghai 201899,China)

机构地区：[1]东华大学信息科学与技术学院,上海201620 [2]上海大恒光学精密机械有限公司,上海201899

出　　处：《激光技术》2018年第5期588-592,共5页Laser Technology

基　　金：国家自然科学基金资助项目(51403034)

摘　　要：机载激光测深技术因其灵活性好、速度快和测量精度高的特点,逐渐取代了传统测量水深的方法,并且在河道、近海海域的水深测量以及水下地形地貌的测绘等方面发挥着重要的作用。对机载激光测深技术进行了介绍,阐述了机载激光测深系统的工作原理及其信号处理的两种主要方法,分别对这两种方法进行了归纳并总结了其最新的应用研究,归纳了我国机载激光测深的关键研究技术,最后对其未来发展方向进行了展望,并说明了今后对回波信号将采用的数据处理方法。Because of good flexibility, fast speed and high measurement precision, airborne laser bathymetry technology has gradually replaced the traditional method of measuring the depth of water and plays an important role in depth measurement of water in the river and offshore waters,as well as the mapping of underwater topography and geombathymetry technology is introduced. Working principle of airborne laser bathymetry system and two main methods of signalprocessing are expounded. Two methods and the latest application research are summarized. Key research techniques of airborne laser bathymetry and future development are summed up and prospected. The data processing methods for echo signal in the future are explained.

关 键 词：激光技术 机载激光测深 数据处理 数学近似法 反卷积法 

分 类 号：TN958.98[电子电信—信号与信息处理]