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Intersatellite laser ranging instrument for the GRACE follow-on mission / B. Sheard in Journal of geodesy, vol 86 n° 12 (December 2012)  

Public [article]  inJournal of geodesy > vol 86 n° 12 (December 2012) . - pp 1083 - 1095 Titre : Intersatellite laser ranging instrument for the GRACE follow-on mission Type de document : Article/Communication Auteurs : B. Sheard, Auteur ; Gerhard Heinzel, Auteur ; K. Danzmann, Auteur ; et al., Auteur Année de publication : 2012 Article en page(s) : pp 1083 - 1095 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie physique [Termes IGN] GRACE [Termes IGN] mission spatiale [Termes IGN] poursuite de satellite [Termes IGN] surveillance Résumé : (Auteur) The Gravity Recovery and Climate Experiment (GRACE) has demonstrated that low–low satellite-to-satellite tracking enables monitoring the time variations of the Earth’s gravity field on a global scale, in particular those caused by mass-transport within the hydrosphere. Due to the importance of long-term continued monitoring of the variations of the Earth’s gravitational field and the limited lifetime of GRACE, a follow-on mission is currently planned to be launched in 2017. In order to minimise risk and the time to launch, the follow-on mission will be basically a rebuild of GRACE with microwave ranging as the primary instrument for measuring changes of the intersatellite distance. Laser interferometry has been proposed as a method to achieve improved ranging precision for future GRACE-like missions and is therefore foreseen to be included as demonstrator experiment in the follow-on mission now under development. This paper presents the top-level architecture of an interferometric laser ranging system designed to demonstrate the technology which can also operate in parallel with the microwave ranging system of the GRACE follow-on mission. Numéro de notice : A2012-649 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-012-0566-3 Date de publication en ligne : 08/05/2012 En ligne : https://doi.org/10.1007/s00190-012-0566-3 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32095 [article]

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