Efficient propagation of error covariance matrices of gravitational models: application to GRACE and GOCE |
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| Authors: | Georges Balmino |
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| Institution: | 1.C.N.E.S., Groupe de Recherches de Geodesie Spatiale, Observatoire Midi-Pyrenees,Toulouse,France |
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| Abstract: | We have applied efficient methods for computing variances and covariances of functions of a global gravity field model expanded
in spherical harmonics, using the full variance–covariance matrix of the coefficients. Examples are given with recent models
derived from GRACE (up to degree and order 150), and with simulated GOCE derived solutions (up to degree and order 200). |
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