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Data weighting and solution assessment in combination

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Abstract.

A data weighting method for combining different geodetic data based on statistical tests of the residuals is discussed. By requiring the residuals of combination solution to be white Gaussian as a sample of random noise, the relative weight factors can be determined internally, independent of external comparisons. To achieve this goal and to assess the solution, the Pearson χ2 and higher-order moments of residuals are used to measure quantitatively the discrepancies between the residuals and white Gaussian noise.

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Authors and Affiliations

  1. Center for Astrogeodynamics Studies, Shanghai Observatory, Academy of Sciences, Shanghai 20030, PRC e-mail: hxg@center.shao.ac.cn, , , , , , XX

    X. Hu, X. Liao & C. Huang

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  1. X. Hu
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  2. X. Liao
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  3. C. Huang
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Received: 30 June 1998 / Accepted: 19 April 1999

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Hu, X., Liao, X. & Huang, C. Data weighting and solution assessment in combination. Journal of Geodesy 73, 391–397 (1999). https://doi.org/10.1007/s001900050258

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  • DOI: https://doi.org/10.1007/s001900050258

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