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Artificial Satellites

The Journal of Space Research Centre of Polish Academy of Sciences

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CiteScore 2016: 0.33

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2083-6104
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Volume 48, Issue 1 (Jan 2013)

Issues

Rosborough Formulation in Satellite Gravity Gradiometry

Mohammad Ali Sharifi
  • Department of Surveying and Geomatics Engineering, University College of Engineering, University of Tehran, North Kargar Ave., P.O. Box 11365-4563, Tehran, Iran
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/ Abdolreza Safari
  • Department of Surveying and Geomatics Engineering, University College of Engineering, University of Tehran, North Kargar Ave., P.O. Box 11365-4563, Tehran, Iran
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/ Khosro Ghobadi-Far
  • Department of Surveying and Geomatics Engineering, University College of Engineering, University of Tehran, North Kargar Ave., P.O. Box 11365-4563, Tehran, Iran
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Published Online: 2013-02-12 | DOI: https://doi.org/10.2478/arsa-2013-0004

ABSTRACT

Following the launch of CHAMP, a new era was born in the gravity field determination from satellite observations. Many methods have been proposed and applied for the recovery of the Earth’s gravity field from the observations of the satellite missions CHAMP, GRACE and GOCE. This paper deals with the Rosborough formulation in gravity field modelling. This formulation is derived from the transformation of time-wise representation from the orbital into the spherical coordinate systems. Base functions of the Rosborough formulation depend on the type of the functional of the gravity field and the inclination of the orbit. Unlike the space-wise approach, the Rosborough approach can easily deal with both isotropic and non-isotropic functionals. The proposed formulation is implemented on the GOCE data in order to show its efficiency. Numerical results show that the Rosborough formulation is a powerful and efficient tool in the case of GOCE gradiometry data processing.

Keywords : Rosborough formulation; gravity field recovery; GOCE; gravitational gradient tensor

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About the article

Published Online: 2013-02-12

Published in Print: 2013-01-01


Citation Information: Artificial Satellites, ISSN (Online) 2083-6104, ISSN (Print) 0208-841X, DOI: https://doi.org/10.2478/arsa-2013-0004.

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