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Evaluation of the CHAMP Accelerometer on Two Years of Mission

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Earth Observation with CHAMP

Summary

This paper presents a synthesis of the CNES/GRGS routine activities regarding the analysis and calibration of the CHAMP accelerometer data. The impact of instrument operations and out of specification temperature variation on bias and scale factor estimation is demonstrated. Precise dynamic solutions of orbits and calibration parameters have been obtained from the processing of two years of data. The results presented here could be obtained thanks to the high performances of the accelerometer and GPS tracking.

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References

  • Grunwaldt L (1998) CHAMP accelerometer specification. GFZ note CH-GFZ-SP-0022.

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  • Perret A, Biancale R, Camus AL, Lemoine JM, Fayard T, Loyer S, Perosanz F, Sarrailh M (2001) STAR commissioning phase calibration validation activities by CNES. Vol 1& 2, DSO/ED/TU/EI 65-2001, CNES, France.

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  • Perosanz F, Biancale R, Loyer S, Lemoine JM, Perret A, Touboul P, Foulon B, Pradels G, Grunwald L, Fayard T, Vales N, Sarrailh M (2003). On board evaluation of the STAR accelerometer, in: Reigber C, Lühr H and Schwintzer P (Eds): First CHAMP Mission Results for Gravity, Magnetic and Atmospheric Studies, Springer-Verlag, ISBN 3-540-00206-5, 11–18.

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Author information

Authors and Affiliations

  1. CNES/GRGS, 18 avenue Edouard Belin, 31400, Toulouse, France

    Félix Perosanz, Richard Biancale, Jean Michel Lemoine, Nicole Vales & Sean Bruinsma

  2. Noveltis, 2 avenue de l'Europe, 31520, Ramonville, France

    Sylvain Loyer

Authors
  1. Félix Perosanz
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  2. Richard Biancale
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  3. Jean Michel Lemoine
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  4. Nicole Vales
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  5. Sylvain Loyer
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  6. Sean Bruinsma
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Editor information

Editors and Affiliations

  1. GeoForschungsZentrum Potsdam, Telegrafenberg, 14473, Potsdam

    Christoph Reigber , Hermann Lühr , Peter Schwintzer  & Jens Wickert , ,  & 

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© 2005 Springer-Verlag Berlin Heidelberg

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Perosanz, F., Biancale, R., Lemoine, J.M., Vales, N., Loyer, S., Bruinsma, S. (2005). Evaluation of the CHAMP Accelerometer on Two Years of Mission. In: Reigber, C., Lühr, H., Schwintzer, P., Wickert, J. (eds) Earth Observation with CHAMP. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-26800-6_12

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