Bulletin of the Geographical survey institute / Geographical survey institute . vol 53Paru le : 01/03/2006 |
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Ajouter le résultat dans votre panierReal-time capability of Geonet [GPS Earth Observation Network] system and its application to crust monitoring / A. Yamagiwa in Bulletin of the Geographical survey institute, vol 53 (March 2006)
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Titre : Real-time capability of Geonet [GPS Earth Observation Network] system and its application to crust monitoring Type de document : Article/Communication Auteurs : A. Yamagiwa, Auteur ; Yuki Hatanaka, Auteur ; et al., Auteur Année de publication : 2006 Article en page(s) : pp 27 - 33 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale
[Termes IGN] déformation de la croute terrestre
[Termes IGN] Japon
[Termes IGN] positionnement cinématique en temps réel
[Termes IGN] positionnement par GPS
[Termes IGN] réseau de surveillance géophysique
[Termes IGN] risque naturel
[Termes IGN] séisme
[Termes IGN] surveillance géologique
[Termes IGN] temps réelRésumé : (Auteur) The GPS Earth Observation Network system (GEONET) has been playing an important role in monitoring the crustal deformation of Japan. Since its start of operation, the requirements for accuracy and timeliness have become higher and higher. On the other hand, recent broadband communication infrastructure has had capability to realize real-time crust monitoring and to aid the development of a location-based service. In early 2003, the Geographical Survey Institute (GSI) upgraded the GEONET system to meet new requirements. The number of stations became 1200 in total by March, 2003. The antennas were unified to the choke ring antennas of Dome Margolin T-type and the receivers were replaced with new ones that are capable of real-time observation and data transfer. The new system uses IP-connection through IP-VPN (Internet Protocol Virtual Private Network) for data transfer, which is provided by communication companies. The Data Processing System, which manages the observation data and analyses in GEONET, has 7 units. GEONET carries out three kinds of routine analyses and an analysis of RTK-type for emergencies. The new system has shown its capability for real-time crust monitoring, for example, the precise and rapid detection of coseismic (and post-seismic) motion caused by 2003 Tokachi-Oki earthquake. Numéro de notice : A2006-157 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans En ligne : https://www.gsi.go.jp/common/000001208.pdf Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27884
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