In-orbit data verification of the accelerometers of the ESA GOCE mission

Details In-orbit data verification of the accelerometers of the ESA GOCE mission In-orbit data verification of the accelerometers of the ESA GOCE mission

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010sf2a.conf..113c&link_type=abstract

SF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: S. Boissier, M. Heydari-

Astronomy and Astrophysics

Astrophysics

Goce, Gravity, Gradiometry, Accelerometer, Noise

Scientific paper

The ESA GOCE mission aims to map Earth gravity field in unprecedented detail. The Gradiometer is the instrument which makes possible the high resolution restitution of the gravity field to the science communities. The tri-axes Gradiometer of the GOCE Mission is conceived around six electrostatic accelerometers developed by ONERA. The satellite was launched on March 17th, 2009 and the gradiometer was switched on in Science mode on April 7th. Since, the accelerometers are continuously feeding the science channel with data, first during the commissioning and calibration phases, then during the first measurement phase started in September 2009. The paper will illustrate the in-flight behaviour of the six accelerometers as deduced from the analysis of their output signals.

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