The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Calibration of Error in Mesuring Station Coordinates, Angle and Distance of Photoelectric Theodolite
Author(s): 
Pages: 138-140
Year: Issue:  1
Journal: Measurement & Control Technology

Keyword:  photoelectric theodolitecalibrationground controlstation coordinatesangle and distance measurement error;
Abstract: 光电经纬仪校准是实现目标精确测量的关键,在设备经过一段时间的使用或移站后均需进行校准.针对近期一次光电经纬仪校准工作中,以设备旋转中心测量值作为站址坐标真值进行其他参数校准时产生了无规律且较大测角偏差的问题,提出一种基于地面控制的光电经纬仪站址与测角测距误差校准方法.相比其他类似校准方法,该方法将站址坐标、测角误差和测距误差均作为未知量进行校准模型构建,通过平差计算,得到一组最优的校准数据作为光电经纬仪测量的基准.经试验验证,该方法有效提高了光电经纬仪测量精度和可靠性,同时校准结果可直接用于光电经纬仪数据处理软件,保证光电经纬仪测量处理的规范化.
Related Articles
No related articles found