摘要
针对车载移动测量系统在城市测量中测量精度容易受环境影响的问题,从系统的原理出发分析了其测量精度的影响因素,并设计实验,将车载系统移动速度、激光入射角、GPS失锁时间分别作为变量因素,探究了车载移动测量系统测量精度影响因素及量度的问题。实验表明,此方法探明了3种主要的外业采集因素对系统测量精度的影响规律,可为该类系统在城市测绘中采集获取高精度点云数据提供参照。
In the city surveying,the accuracy of mobile laser scanning system is easily effected by the different environment. This thesis analyzed what factors to affect the accuracy of mobile laser scanning system from system principle. In the experimental study,three factors of collecting data in field survey（ speed of vehicle system,laser incidence angle and time of GPS loss of lock） are used as variables to test the accuracy and precision of mobile laser scanning system. This study explored how these three factors to affect the accuracy of mobile laser scanning system and this rule can provide a guidance for collecting high accuracy point cloud data in city survey.
作者
张文峰
李俊峰
陈屹
Zhang Wefeng, Li Junfeng, Chen Yi(Ningbo Design Research Institute of Surveying ＆ Mapping, Ningbo 315042, China)
出处
《城市勘测》
2018年第5期83-85,89,共4页
Urban Geotechnical Investigation & Surveying
