国产机载激光雷达测深系统的波形处理方法  

Waveform Processing Methods in Domestic Airborne Lidar Bathymetry System

作　　者：黄田程 陶邦一[1] 贺岩[2] 胡善江[2] 俞家勇 李强 朱云峰 尹国清 黄海清[1] 朱乾坤[1] 龚芳[1] Huang Tiancheng;Tao Bangyi;He Yan;Hu Shanjiang;Yu Jiayong;Li Qiang;Zhu Yunfeng;Yin Guoqing;Huang Haiqing;Zhu Qiankun;Gong Fang(State Key Laboratory of Satellite Ocean Environment Dynamics,Second Institute of Oceanography,State Oceanic Administration,Hangzhou,Zhejiang 310012,China;Shanghai Key Laboratory of Solid-State Laser and Application Technology,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China;College of Surveying and Mapping Science and Engineering,Shandong University of Science and Technology,Qingdao,Shandong 266590,China;South China Sea Air-Borne Detachment of China Marine Surveillance,Guangzhou,Guangdong 510310,China)

机构地区：[1]国家海洋局第二海洋研究所卫星海洋环境动力学国家重点实验室,浙江杭州310012 [2]中国科学院上海光学精密机械研究所上海市全固态激光器与应用技术重点实验室,上海201800 [3]山东科技大学测绘科学与工程学院,山东青岛266590 [4]中国海监南海航空支队,广东广州510310

出　　处：《激光与光电子学进展》2018年第8期59-68,共10页Laser & Optoelectronics Progress

基　　金：国家重大科学仪器设备开发专项任务(2013YQ120343);国家重点研发计划(2016YFC1400901);中央级公益性科研院所基本科研业务费专项资金(QNYC201602)

摘　　要：综合了已有的机载激光雷达测深系统的波形处理方法。基于国产多通道海洋激光雷达波形数据的多通道优势,运用去卷积、数值拟合和信号滤波等波形处理方法,针对不同类型的波形,提出了一套适用于国产硬件的波形处理方法。该方法可保证回波位置提取的稳健性。The existing waveform processing methods in the airborne Lidar bathymetry system are reviewed.Based on the multi-channel advantages of the domestic airborne Lidar bathymetry waveform data and by using the multiple waveform processing methods,such as deconvolution,numerical fitting and signal filtering,a set of waveform processing methods suitable for domestic hardwares is proposed as for different types of waveforms.This set of methods can ensure the robustness of waveform peak position extraction.

关 键 词：遥感 激光雷达 测深系统 波形处理 波形分类 去卷积 数值拟合 信号滤波 

分 类 号：TN958.98[电子电信—信号与信息处理]