摘要
基于高亮度、高重复频率激光源的机载扫描激光测距，是提供对地定位高程数据的一种技术手段，百高的测距精度又是定位数据满足实用要求的重要保证．本文首先根据机载遥感对地定位的发展需求，介绍机载扫描激光测距的基本原理与研究现状，接着分析机载扫描激光测距精度的范畴和影响因素，同时提出了测距精度改进的主要措施．关键词##4航空遥感;;机载对地定位;;机载扫描激光测距;;
Airborne scanning laser ranging, based on laser source with large powerand high pulse repetition rate, is a technical means for the acquisition of elevationdata in airborne earth positioning. Furthermore, high precision of laser ranging is animportant guarantee for the positioning data meeting practical requirements. Firstin this paperg the fundamental and actualities of airborne scanning laser ranging isintroduced according to the developing demand of airborne earth positioning. Thenthe precision and its affecting factors of airborne scanning laser ranging are analyzed.At the same time, some methods for the improvement of the ranging precision aresuggested.
出处
《量子电子学报》
CAS
CSCD
1999年第3期193-197,共5页
Chinese Journal of Quantum Electronics
关键词
航空遥感
对地定位
精度
机载扫描激光
激光测距
airborne remote sensing, airborne earth positioning, airborne scanning laser ranging, ranging precision.
