北斗卫星导航系统用于高精度工程控制网建立的可行性分析
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摘要
本文以7个香港CORS站多系统观测数据为例,用GAMIT10.7软件分别解算了BDS、GPS观测数据,以GPS结果为参考,分析了北斗数据用于区域工程控制网的建立可行性。由数据处理结果知:北斗系统观测数据基线分量中误差整体精度N、E分量中误差优于10mm,U方向优于20mm;BDS与GPS坐标较差水平方向优于1cm,高程方向优于2cm。研究结果表明北斗卫星导航系统观测数据可用于区域工程控制网的建立。
This paper takes the multi-system observation data of seven Hong Kong CORS stations as an example,calculates the BDS,GPS observation data by GAMIT10.7 software and analyzes the feasibility of using Beidou data to establish regional engineering control network with the reference of GPS results.From the data processing results,it is known that the overall accuracy of the errors in the North and East baseline component of the Beidou system is better than that in the 10 mm,Up direction is better than that in the 20 mm;BDS and GPS coordinates difference horizontal direction is better than1 cm,and the elevation direction is better than2 cm.The results show that the observation data of Beidou satellite navigation system can be used to establish regional engineering control network.
This paper takes the multi-system observation data of seven Hong Kong CORS stations as an example,calculates the BDS,GPS observation data by GAMIT10.7 software and analyzes the feasibility of using Beidou data to establish regional engineering control network with the reference of GPS results.From the data processing results,it is known that the overall accuracy of the errors in the North and East baseline component of the Beidou system is better than that in the 10 mm,Up direction is better than that in the 20 mm;BDS and GPS coordinates difference horizontal direction is better than1 cm,and the elevation direction is better than2 cm.The results show that the observation data of Beidou satellite navigation system can be used to establish regional engineering control network.
引文
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[2]曾琪,何俊.北斗区域导航定位精度分析[J].测绘通报,2015(11):15-19.
[3]严丽,黄丁发,朱东伟.一种高精度北斗基线解算软件的研制与性能分析[J].武汉大学学报·信息科学版,2017,42(12):1785-1791.
[4]张树宏,李金龙,马俊峰,等.北斗中长基线静态测量精度初步评估[J].测绘工程,2017,26(4):27-31,42.
[5]刘波,杨翼飞,胡明贤.利用CORS进行大范围工程项目实时变形监测[J].北京测绘,2017(6):129-132.
[6]马海龙,席瑞杰,肖玉钢.北斗高精度单历元基线解算方法研究与实现[J].大地测量与地球动力学,2017,37(1):62-66.
[7]张双成,王倩怡,刘奇,等.BDS精密相对定位精度的GAMIT分析[J].测绘科学,2018,43(12):92-97.
[8]于龙昊,丁克良,周命端,等.基于GAMIT-北斗的基线解算方法与实践[J].黑龙江工程学院学报,2019(1):30-35.
[9]郑春着,魏永,章兵,等.基于GAMIT基线解算的北斗地基增强站稳定性分析[J].能源与环保,2017,39(11):273-275.
[10]严丽,梅熙,卢建康,等.北斗应用于高铁CPI控制测量的算法与试验研究[J].测绘工程,2017,26(5):29-33.
[11]宋冰,马晓东,张书毕.BDS卫星轨道周期重复性分析[J].全球定位系统,2016,41(5):47-50.
[12]李鹏浩,陈宪冬,赵亮.GNSS多系统组网数据处理对比研究分析[J].北京测绘,2018,32(11):1309-1313.