摘要
激光扫描仪作为三维信息获取的一门高新技术逐步得到测绘专家和学者的关注,随着精细测量要求的不断提高,该类测绘仪器的检校问题成为当前又一热点研究主题。本文从我国新型RA-360 360°激光扫描仪的工作原理和构造出发,详细分析了其角度测量误差的来源,并在此基础上建立了此类激光扫描仪角度测量误差检校模型,并设计了相应的检校实验。实验结果表明,该模型具有较好的可靠性和实用价值,可大大提高该激光扫描仪的角度测量精度,为激光扫描仪测量精度的提高奠定了良好的基础,也可为同类产品的检校提供参考。
Laser scanner is one of the new advanced instruments in geodesy.With the development of the precise surveying,the investigation and calibration of this kind of instruments has become a hot topic in the geodetic field.Based on the main topic of calibration,after analyzing the principle of RA-360 360°laser scanner,which is made in China,the influence factors on the angle error of this kind of laser scanner is obtained.Then a calibration angle error model for this kind of device is proposed and corresponding experiments for this calibration are designed.The results show that this model is reliable and practical for calibrating the angle error,which can greatly improve the laser angle measurement accuracy and can be a good reference to similar devices.
出处
《工程勘察》
CSCD
北大核心
2011年第2期59-63,共5页
Geotechnical Investigation & Surveying
基金
国家863重点项目(2008AA131301)
山东科技大学研究生科技创新基金(YCA100318)
关键词
激光扫描仪
角度误差
检校
光学编码器
全站仪
laser scanner
angle error
calibration
optical angular encode
total station
