基于机载激光雷达数据的地形图成图技术浅析

Topographic Mapping Technique Based on Airborne Laser Radar Data

首先介绍了机载激光雷达技术,包括机载激光雷达系统组成、原理以及机载激光雷达数据等,随后针对不同的测区条件,提出了基于DEM+DOM以及基于POS辅助航空摄影测量两条技术路线,并分别介绍了作业流程,并通过实验证明了其技术可行性。最后,展望了基于机载激光雷达数据的地形图成图技术在我国测绘行业中的应用前景。

The airbome laser radar technology is introduced in terms of its systematic composition, principle and data, of which two methods of DEM ＋ DOM and POS assistant aerial photogrametric survey are proposed in light of different conditions of survey area, and their procedures are presented. The technology is proved to be feasible through test, and the application of mapping technique based on airborne laser radar data to mapping sector of China is prospected.