GPS网平移法反演地心运动研究

详细信息    查看全文 | 推荐本文 |

英文篇名：Research about Geocenter Motion from GPS Translational Approaches 作者：杜彬 ; 杨强 ; 章传银 ; 张超 英文作者：DU Bin 1 , 2 , YANG Qiang 1 , ZHANG Chuan-yin 1 , ZHANG Chao 1 , 2 ( 1.Chinese Academy of Surveying and Mapping , Beijing100830 , China ; 2.Shandong University of Science and Technology , Qingdao 266590 , China ) 关键词：网平移法 ; CM ; CE ; CF ; 地心运动 英文关键词：translational approaches ; CM ; CE ; CF ; geocenter motion 中文刊名：CHWZ 英文刊名：Journal of Navigation and Positioning 机构：中国测绘科学研究院;山东科技大学; 出版日期：2013-06-20 出版单位：导航定位学报 年：2013 期：v.1;No.2 语种：中文; 页：CHWZ201302013 页数：4 CN：02 ISSN：10-1096/P 分类号：42-45

摘要

本文将CF、CE相对于CM的运动统称为地心运动。利用网平移法对全球分布站的32年的数据,分别进行了CF相对CM、CE相对CM、CE相对CF运动的反演,得到较长的地心运动的时间序列。并与已有地心运动的研究结果进行比较,得出振幅在同一数量级、且相对较小的结果。
        The movements of CF , CE relative to CM will be collectively defined as the geocenter motion in this paper.By using the translational approaches the longer geocenter motion time series are got from the data of 32years global distributed stations , separately about CF relative to CM , CE relative to CM , and CE relative to CF movement.And the results of this paper are compared with previous research achievements.It turns out that the results are much smaller and of the same order of magnitude as the previous research results.The movements of CF relative to CM and CE relative to CM are in millimeter level , as well as CE relative to CF is in submillimeter level.

引文

[1]WU X P,RAY J,DAM T.Geocenter Motion and Its Geodetic and Geophysical Implications[J].Journal of Geodynam-ics,2012,58(7):44-61.
    [2]CHEN J L,WILSON C R,EANES R J,et al.Geophysical Interpretation of Observed Geocenter Variations[J].Journal of Geophysical Research,1999,104(B2):2683-2690.
    [3]BLEWITT G.Self-consistency in Reference Frames,Geocenter Definition,and Surface Loading of the Solid Earth[J].Journal of Geophysical Research,2003,108(B2):2103.
    [4]DONG D,DICKEY J O,CHAO Y,et al.Geocenter Variations Caused by Atmosphere,Ocean and Surface Ground Wa-ter[J].Geophysical Research Letters,1997,24(15):1867-1870.
    [5]魏娜,施闯,刘经南.利用GPS数据反演地心运动[J].武汉大学学报:信息科学版,2011,36(4):442-445.
    [6]TREGONING P.Effects of Atmospheric Pressure Loading and Seven-parameter Transformations on Estimates of Geo-center Motion and Station Heights from Space Geodetic Observations[J].Journal of Geophysical Research,2005,110(B03408):1-12.
    [7]LAVALLEE D A,DAM T,BLEWITT G,et al.Geocenter Motion from GPS:A Unified Observation Model[J].Journal of Geophysical Research,2006,111(B05405):1-15.
    [8]DONG D,YUNCK T,HEFLIN M.Origin of the International Terrestrial Reference Frame[J].Journal of Geophysical Research,2003,108(B4):2200-2212.
    [9]KANG Z G,TAPLEY B,CHEN J L,et al.Geocenter Variations Derived from GPS Tracking of the GRACE Satellites[J].Journal of Geodesy,2009,83(10):895-901.