机载激光雷达在地形测绘中的运用  

Application of Airborne Laser Radar in Topographic Mapping

作　　者：张林 ZHANG Lin(Anhui Yangtze River Management Bureau,Wuhu 241002,Anhui,China)

机构地区：[1]安徽省长江河道管理局,安徽芜湖241002

出　　处：《工程技术研究》2024年第7期98-100,共3页Engineering and Technological Research

摘　　要：机载激光雷达(带摄影测量)可快速、高效获取数字高程模型(正射影像图),提取制作多种测绘成果。文章从机载激光雷达的工作原理、技术特点、施测步骤和精度统计出发,辅以具体工程测绘案例,介绍如何运用该技术进行地形测绘,以提升地形测绘设计的质量,这对缩短外业测绘周期、降低勘测难度和成本、保障人员安全具有重大现实意义,可以为机载激光雷达在地形测绘中的运用提供经验,提升我国地形测绘的整体质量。Airborne laser radar(with photogrammetry)can quickly and efficiently obtain digital elevation model(orthophoto map),extract and produce a variety of surveying and mapping results.Based on the working principle,technical characteristics,survey steps and accuracy statistics of airborne lidar,this paper introduces how to use this technology to carry out topographic surveying and mapping,so as to improve the quality of topographic surveying and mapping design,which is of great practical significance to shorten the period of field surveying and mapping,reduce the difficulty and cost of survey,and ensure the safety of personnel.It can provide experience for the application of airborne lidar in topographic surveying and mapping,and improve the overall quality of topographic surveying and mapping in China.

关 键 词：机载激光雷达 地形测绘 精度统计 误差 

分 类 号：P2[天文地球—测绘科学与技术]