摘要
本文在某市已建立的CORS参考站网络基础上,利用网络RTK技术进行开阔场地和城市建筑密集区的精度测试,分析参考站间距、卫星数量及空间几何强度等因素对测量精度的影响。实验结果表明,在开阔场地,网络RTK的平面位置精度可达±(2+1×10^(-6)D)cm,高程精度可达±(3+1×10^(-6)D)cm。而在城市建筑密集区,由于信号遮挡,精度降低了20%~30%。本研究为网络RTK技术在城市测量中的规范应用提供了重要参考,并推动了其在城市测量领域的广泛应用。
Based on the established CORS reference station network in a certain city,a series of urban measurement experiments are conducted in this paper,including accuracy testing in open areas and densely populated urban buildings.In the experiment,the influence of factors such as reference station spacing,number of satellites,and spatial geometric strength on measurement accuracy is analyzed.The experimental results show that in open areas,the planar position accuracy of network RTK can reach±(2+1×10-6D)cm,and the elevation accuracy can reach±(3+1×10-6D)cm.In densely populated urban areas,due to signal obstruction,accuracy has decreased by 20%~30%.This study provide important references for the standardized application of network RTK technology in urban surveying and promote its widespread application in the field of urban surveying.
作者
刘大林
LIU Dalin(Lanzhou Survey and Mapping Research Institute Co.,Ltd.,Lanzhou 730030,China)
出处
《科技创新与生产力》
2025年第6期122-124,共3页
Sci-tech Innovation and Productivity
关键词
网络RTK
城市测量
参考站
精度分析
应用验证
network RTK
urban surveying
reference station
accuracy analysis
application verification
