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首页> 外文会议>Proceedings of 4th international GOCE User workshop. >GOCE-ONLY GRAVITY FIELD MODEL DERIVED FROM 8 MONTHS OF GOCE DATA
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GOCE-ONLY GRAVITY FIELD MODEL DERIVED FROM 8 MONTHS OF GOCE DATA

机译：从8个月的GOCE数据推导的仅GOCE重力场模型

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摘要

After presentation of the first GOCE gravity field modelrnbased on 71 days of data at the ESA Living PlanetrnSymposium in June 2010 ([11], [12]), an improvedrnoptimum high-resolution global gravity field modelrnbased on data from November 2009 to July 2010,rnresolved up to degree/order 250, has been derived fromrnthe precise GOCE orbit and satellite gravityrngradiometry data applying the time-wise method.rnRealistic stochastic models for both the orbit andrngradiometer observations have been included. Thus, therncoefficient error information, provided as full variancecovariancernmatrix, reflects realistically the true errorrnbehaviour of the solution. The resulting GOCE model isrnassessed and validated against external gravity fieldrnmodels and GPS/levelling data. One of the key featuresrnof the time-wise method is that it is independent of anyrngravity field prior information, and thus the resultingrngravity field models reflect the pure performancernachievable by GOCE.
机译：在2010年6月在ESA生存行星研讨会上提出了基于71天数据的第一个GOCE重力场模型之后[[11]，[12]），一种基于2009年11月至2010年7月数据的改进的高分辨率高分辨率全球重力场模型，从精确的GOCE轨道和应用时间方法的卫星重力辐射测量数据得出的解析度最高为250度。还包括了轨道和辐射计观测的现实随机模型。因此，作为全方差协方差矩阵提供的系数误差信息实际上反映了解决方案的真实误差行为。根据外部重力场模型和GPS /水准仪数据对所得的GOCE模型进行评估和验证。时态方法的关键特征之一是它独立于重力场先验信息，因此最终的重力场模型反映了GOCE可实现的纯性能。

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  • 来源
  • 会议地点 Munich(DE)
  • 作者

    Roland Pail; Helmut Goiginger; Wolf-Dieter Schuh; Eduard H?ck; Jan Martin Brockmann; Thomas Fecher; Reinhard Mayrhofer; Ina Krasbutter; Torsten Mayer-Gürr;

  • 作者单位

    TU München, Institute of Astronomical and Physical Geodesy, Arcisstra?e 21, 80333 München, Germany,Email: pail@bv.tum.de;

    Graz University of Technology, Institute of Theoretical Geodesy and Satellite Geodesy, Steyrergasse 30, 8010 Graz,Austria, Email: h.goiginger@TUGraz.at;

    University of Bonn, Institute of Geodesy and Geoinformation, Nussallee 17, 53115 Bonn, Germany,Email: schuh@uni-bonn.de;

    Austrian Academy of Sciences, Space Research Institute, Schmiedlstra?e 6, 8042 Graz, AustriaEmail: hoeck@geomatics.tu-graz.ac.at;

    University of Bonn, Institute of Geodesy and Geoinformation, Nussallee 17, 53115 Bonn, Germany,Email: brockmann@geod.uni-bonn.de;

    TU München, Institute of Astronomical and Physical Geodesy, Arcisstra?e 21, 80333 München, Germany,Email: fecher@bv.tu-muenchen.de;

    Graz University of Technology, Institute of Theoretical Geodesy and Satellite Geodesy, Steyrergasse 30, 8010 Graz,Austria, Email: reinhard.mayrhofer@TUGraz.at;

    University of Bonn, Institute of Geodesy and Geoinformation, Nussallee 17, 53115 Bonn, Germany,Email: krasbutter@geod.uni-bonn.de;

    Graz University of Technology, Institute of Theoretical Geodesy and Satellite Geodesy, Steyrergasse 30, 8010 Graz,Austria, Email: mayer-guerr@TUGraz.at;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 航天（宇宙航行）;物理大地测量、重力测量与地球形状的测定;
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