利用GPS观测资料解算地球自转参数Estimation of Earth Rotation Parameters Based on GPS Observations
何战科;杨旭海;李志刚;程宗颐;
摘要(Abstract):
利用22个IGS(International GNSS Service)跟踪站(IGS05)的连续观测资料估算地球自转参数ERP(Earth rotation parameters)(地球自转参数在测绘和卫星导航中是一组关键的参数),并与IGS地球定向参数EOP(Earth orientation parameters)(UTC 12:00:00)和IERS(International Earth Rotation Service)C04(UTC 00:00:00)同时刻的结果相比较。比较结果表明:与IGS EOP比较,极移在x方向差值的RMS为0.0214 mas,极移在y方向差值的RMS为0.0662 mas,UT1-UTC差值的RMS为0.0260 ms;与IERS C04比较,极移在x方向差值的RMS为0.0203 mas,极移在y方向差值的RMS为0.0354 mas,UT1-UTC差值的RMS为0.0016 ms。以上差别均在IERS C04精度范围之内,我们解算的地球自转参数结果是可信的。
关键词(KeyWords): 地球自转参数;全球定位系统(GPS);国际GNSS服务组织(IGS);国际地球自转服务组织(IERS)
基金项目(Foundation): 国家高技术研究发展计划(863计划)资助项目(2006AA12Z322);; 国家重点基础研究发展计划(973计划)资助项目(2007CB815503);; 中国科学院知识创新工程重要方向资助项目(KJUX2-YW-T12);中国科学院国防科技创新资助项目(CXJJ-09-M34)
作者(Author): 何战科;杨旭海;李志刚;程宗颐;
Email:
DOI: 10.13875/j.issn.1674-0637.2010.01.007
参考文献(References):
- [1]李志刚,杨旭海,李伟超,等.转发器式卫星测轨方法[J].时间频率学报,2006,29(2):81-89.
- [2]朱元兰,冯初刚,张飞鹏.用中国卫星激光测距资料解算地球定向参数[J].天文学报,2006,47(4):441-449.
- [3]Department of Earth,Atmospheric,and Planetary Sciences,Massachusetts Institute of Technology.Documentation for the GAMITGPS Analysis Software[Z].Massachusetts:Massachusetts Institute of Technology,2000.
- [4]Department of Earth,Atmospheric,and Planetary Sciences,Massachusetts Institute of Technology.GAMIT Reference Manual[Z].Massachusetts:Massachusetts Institute of Technology,2006.
- [5]GAMBIS D,BIZOUARD C,SA?L M.Evolution of Earth Orientation Monitoring At IERS[C]//Proceedings of the"Journées2005 Systèmes de Référence Spatio-Temporels".[S.l]:[s.n.],2006:59-61.
- [6]XU Guo-chang.GPS Theory,Algorithms and Applications[M].2nd ed.Berlin:Springer,2007.
- [7]李济生.人造卫星精密轨道确定[M].北京:解放军出版社,1995:26-33.
- [8]刘根友.高精度GPS定位及地壳形变分析若干问题的研究[D].武汉:中国科学院测量与地球物理研究所,2004:31-36.
- [9]陈俊勇.走向新世纪的GPS[J].卫星应用,2000,8(2):26-31.
- [10]周忠谟.GPS卫星测量原理与应用[M].北京:测绘出版社,1997.
- [11]ITRF.ITRF 2005 Station Positions at Epoch 2000.0 and Velocities GPS Stations[DB/OL].(2006-10-27)[2009-09-01].http://itrf.ensg.ign.fr/ITRF_solutions/2005/doc/ITRF2005_GPS.SSC.txt.
- [12]ZHU Sheng-yuan,MUELLER I I.Effects of Adopting New Precession,Nutation and Equinox Corrections on the TerrestrialReference frame[J].Journal of Geodesy,1983,57(1):29-42.
- [13]蒋虎,黄珹,冯初刚.极移序列系统差的探讨[J].中国科学院上海天文台年刊,2000,21:19-23.
- [14]赵铭.天体测量学导论[M].北京:中国科学技术出版社,2006:107-109.
- [15]DICK W R,RICHTER B.IERS Annual Report 2000[R].[S.l]:[s.n.],2001:97-98.
- [16]IERS.Eop Series(Mostly Operational)Comparison[DB/OL].(2009-03-24)[2009-09-01].http://hpiers.obspm.fr/eop-pc/products/operational/operational.html.
- [17]NASTULA J,KOLACZEK B,WEBER R,et al.High Resolution Earth Rotation Parameters Determined During the CONT02Campaign[C]//International VLBI Service for Geodesy and Astrometry 2004 General Meeting Proceedings.Ottawa:[s.n.],2004:9-11.