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DPOD2008, A DORIS-oriented terrestrial reference frame for precise orbit determination / Pascal Willis (2016)
Titre : DPOD2008, A DORIS-oriented terrestrial reference frame for precise orbit determination Type de document : Article/Communication Auteurs : Pascal Willis , Auteur ; Nikita P. Zelensky, Auteur ; J.C. Ries, Auteur ; Laurent Soudarin, Auteur ; L. Cerri, Auteur ; Guilhem Moreaux, Auteur ; Franck G. Lemoine, Auteur ; Michiel Otten, Auteur ; Donald F. Argus, Auteur ; Michael B. Heflin, Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2016 Collection : International Association of Geodesy Symposia, ISSN 0939-9585 num. 143 Conférence : IAG 2013, Scientific assembly, IAG 150 Years Postdam Allemagne Proceedings Springer Importance : pp 175 - 181 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] International Terrestrial Reference Frame
[Termes IGN] Jason
[Termes IGN] orbitographie
[Termes IGN] repère de référence
[Termes IGN] station de poursuiteRésumé : (auteur) While accuracy of tracking station coordinates is of key importance for Precise Orbit Determination (POD) for altimeter satellites, reliability and operationality are also of great concern. In particular, while recent ITRF realizations should be the most accurate at the time of their computation, they cannot be directly used by the POD groups for operational consideration for several reasons such as new stations appearing in the network or new discontinuities affecting station coordinates. For POD purposes, we computed a new DORIS terrestrial frame called DPOD2008 derived from ITRF2008 (as previously done by DPOD2005 with regards to ITRF2005). In a first step, we will present the method used to validate the past ITRF2008 using more recent DORIS data and to derive new station positions and velocities, when needed. In particular, discontinuities in DORIS station positions and/or velocities are discussed. To derive new DORIS station coordinates, we used recent DORIS weekly time series of coordinates, recent GPS relevant time series at co-located sites and also dedicated GPS campaigns performed by IGN when installing new DORIS beacons. DPOD2008 also contains additional metadata that are useful when processing DORIS data, for example, periods during which DORIS data should not be used or at least for which data should be downweighted. In several cases, a physical explanation can be found for such temporary antenna instability. We then demonstrate improvements seen when using different reference frames, such as the original ITRF2008 solution, for precise orbit determination of altimeter satellites TOPEX/Poseidon and Jason-2 over selected periods spanning 1993–2013. Numéro de notice : C2013-052 Affiliation des auteurs : LASTIG LAREG+Ext (2012-mi2018) Thématique : POSITIONNEMENT Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.1007/1345_2015_125 Date de publication en ligne : 07/07/2015 En ligne : http://dx.doi.org/10.1007/1345_2015_125 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=78500
Titre : IAG 150 Years : Proceedings of the IAG Scientific Assembly in Postdam, Germany, 2013 Type de document : Actes de congrès Auteurs : Chris Rizos, Éditeur scientifique ; Pascal Willis , Éditeur scientifique Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2016 Collection : International Association of Geodesy Symposia, ISSN 0939-9585 num. 143 Conférence : IAG 2013, Scientific assembly, IAG 150 Years Postdam Allemagne Proceedings Springer Importance : 617 p. ISBN/ISSN/EAN : 978-3-319-24603-1 Langues : Anglais (eng) Résumé : (éditeur) This proceedings contains a selection of peer-reviewed papers presented at the IAG Scientific Assembly, Postdam, Germany, 1-6 September, 2013. The scientific sessions were forcussed on the definition, implementation and scientific applications of reference frames; gravity field determination and applications; the observation and assessment of earth hazards. It presents a collection of the contributions on the applications of earth rotations dynamics, on observation systems and services as well as on imaging and positioning techniques and its applications. Numéro de notice : sans Affiliation des auteurs : LASTIG LAREG+Ext (2012-mi2018) Thématique : POSITIONNEMENT Nature : Actes nature-HAL : DirectOuvrColl/Actes DOI : 10.1007/978-3-319-24603-1 En ligne : https://doi.org/10.1007/978-3-319-24603-1 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=79189 Contient
- The International DORIS Service (IDS) : Recent developments in preparation for ITRF2013 / Pascal Willis (2016)
- DPOD2008, A DORIS-oriented terrestrial reference frame for precise orbit determination / Pascal Willis (2016)
- IAG history, the years of World Wars and aftermath (1917-1959) / Claude Boucher (2016)
- Quality evaluation of the weekly vertical loading effects induced from continental water storage models / Z. Li (2016)
Titre : IAG history, the years of World Wars and aftermath (1917-1959) Type de document : Article/Communication Auteurs : Claude Boucher , Auteur ; Pascal Willis , Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2016 Collection : International Association of Geodesy Symposia, ISSN 0939-9585 num. 143 Conférence : IAG 2013, Scientific assembly, IAG 150 Years Postdam Allemagne Proceedings Springer Importance : pp 19 - 25 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie
[Termes IGN] géodésie
[Termes IGN] géodésie ancienneRésumé : (auteur) In the frame of the celebration of the 150th birthday of the International Association of Geodesy (IAG), this contribution is devoted to the period 1917–1959, starting at the move of the IAG Central Bureau from Potsdam to Paris, up to the occurrence of space technology. Among important aspects, the evolution of international cooperation is presented, with crucial geopolitical aspects (mostly around World Wars I and II) as well as drastic technological innovations. A particular important issue is the creation of the International Union of Geodesy and Geophysics (IUGG) and the inclusion of IAG. The evolution of the IAG structure and organization is presented, as well as its links with other scientific entities. Numéro de notice : C2013-002 Affiliation des auteurs : LASTIG LAREG+Ext (2012-mi2018) Thématique : POSITIONNEMENT Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.1007/1345_2015_96 Date de publication en ligne : 13/05/2015 En ligne : http://dx.doi.org/10.1007/1345_2015_96 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=78643
Titre : Principles of data mining Type de document : Guide/Manuel Auteurs : Max Bramer, Auteur Mention d'édition : 3ème édition Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2016 Collection : Undergraduate Topics in Computer Science UTICS, ISSN 2197-1781 ISBN/ISSN/EAN : 978-1-4471-7307-6 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Intelligence artificielle
[Termes IGN] arbre de décision
[Termes IGN] classification barycentrique
[Termes IGN] classification bayesienne
[Termes IGN] entropie
[Termes IGN] exploration de donnéesRésumé : (Auteur) [Introduction] This book explains and explores the principal techniques of Data Mining, the automatic extraction of implicit and potentially useful information from data, which is increasingly used in commercial, scientific and other application areas. It focuses on classification, association rule mining and clustering. Each topic is clearly explained, with a focus on algorithms not mathematical formalism, and is illustrated by detailed worked examples. The book is written for readers without a strong background in mathematics or statistics and any formulae used are explained in detail. It can be used as a textbook to support courses at undergraduate or postgraduate levels in a wide range of subjects including Computer Science, Business Studies, Marketing, Artificial Intelligence, Bioinformatics and Forensic Science. As an aid to self study, this book aims to help general readers develop the necessary understanding of what is inside the 'black box' so they can use commercial data mining packages discriminatingly, as well as enabling advanced readers or academic researchers to understand or contribute to future technical advances in the field. Each chapter has practical exercises to enable readers to check their progress. A full glossary of technical terms used is included. This expanded third edition includes detailed descriptions of algorithms for classifying streaming data, both stationary data, where the underlying model is fixed, and data that is time-dependent, where the underlying model changes from time to time - a phenomenon known as concept drift. Numéro de notice : 26278 Affiliation des auteurs : non IGN Thématique : INFORMATIQUE/MATHEMATIQUE Nature : Manuel informatique DOI : 10.1007/978-1-4471-7307-6 En ligne : https://doi.org/10.1007/978-1-4471-7307-6 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=94925
Titre : Programming for computations, MATLAB/Octave Type de document : Guide/Manuel Auteurs : Svein Linge, Auteur ; Hans Petter Langtangen, Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2016 Collection : Texts in Computational Science and Engineering, ISSN 1611-0994 num. 14 Importance : 216 p. ISBN/ISSN/EAN : 978-3-319-32452-4 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Informatique
[Termes IGN] analyse numérique
[Termes IGN] GNU Octave
[Termes IGN] MatlabRésumé : (Editeur) This book presents computer programming as a key method for solving mathematical problems. There are two versions of the book, one for MATLAB and one for Python. The book was inspired by the Springer book TCSE 6: A Primer on Scientific Programming with Python (by Langtangen), but the style is more accessible and concise, in keeping with the needs of engineering students. The book outlines the shortest possible path from no previous experience with programming to a set of skills that allows the students to write simple programs for solving common mathematical problems with numerical methods in engineering and science courses. The emphasis is on generic algorithms, clean design of programs, use of functions, and automatic tests for verification. Numéro de notice : 22716 Affiliation des auteurs : non IGN Thématique : INFORMATIQUE/MATHEMATIQUE Nature : Manuel informatique DOI : 10.1007/978-3-319-32452-4 En ligne : https://doi.org/10.1007/978-3-319-32452-4 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=85228 Quality evaluation of the weekly vertical loading effects induced from continental water storage models / Z. Li (2016)PermalinkThe International DORIS Service (IDS) : Recent developments in preparation for ITRF2013 / Pascal Willis (2016)Permalink3D modelling with national coverage: Bridging the gap between research and practice / Jantien E. Stoter (2015)PermalinkAugmenting vehicle localization accuracy with cameras and 3D road infrastructure database / Lijun Wei (2015)PermalinkPermalinkDetection of abrupt changes in spatial relationships in video sequences / Abdalbassir Abou-Elailah (2015)PermalinkPermalinkPermalinkMagic square of real spectral and time series analysis with an application to moving average processes / I. Krasbutter (2015)PermalinkPermalinkOpen source geospatial tools / Daniel McInerney (2015)PermalinkOpenStreetMap in GIScience / Jamal Jokar Arsanjani (2015)PermalinkOpenStreetMap in GIScience : experiences, research, and applications. Inferring the Scale of OpenStreetMap Features / Guillaume Touya (2015)PermalinkThe 1st International workshop on the quality of geodetic observation and monitoring systems (QuGOMS'11) / Hansjörg Kutterer (2015)PermalinkPermalinkAbstracting geographic information in a data rich world, ch. 1. Map generalisation: fundamental to the modelling and understanding of geographic space / William A Mackaness (2014)PermalinkAbstracting geographic information in a data rich world, ch. 11. Generalisation in practice within national mapping agencies / Cécile Duchêne (2014)PermalinkAbstracting geographic information in a data rich world, ch. 12. Conclusion: major achievements and research challenges in generalisation / Dirk Burghardt (2014)PermalinkAbstracting geographic information in a data rich world, ch. 2. Map specifications and user requirements / Sandrine Balley (2014)PermalinkAbstracting geographic information in a data rich world, ch. 3. Modelling geographic relationships in automated environments / Guillaume Touya (2014)PermalinkAbstracting geographic information in a data rich world, ch. 7. Process modelling, web services and geoprocessing / Nicolas Regnauld (2014)PermalinkAbstracting geographic information in a data rich world / Dirk Burghardt (2014)PermalinkPermalinkPermalinkPermalinkDORIS tropospheric estimation at IGN : Current strategies, GPS intercomparisons and perspectives / Pascal Willis (2014)PermalinkPermalinkEUREF’s contribution to national, European and global geodetic infrastructures / Johannes Ihde (2014)PermalinkExploring the impact of a spatial data infrastructure on value-added resellers and vice versa / Anthony K. Cooper (2014)PermalinkExternal evaluation of the Terrestrial Reference Frame: report of the task force of the IAG sub-commission 1.2 / Xavier Collilieux (2014)PermalinkPermalinkGeographic Information Science, 8th International Conference, GIScience 2014, Vienna Austria, September 24-26, 2014 / Matt Duckham (2014)PermalinkPermalinkPermalinkPermalinkQuantifying the correlation between the MEI and LOD variations by decomposing LOD with singular spectrum analysis / Karine Le Bail (2014)PermalinkRepresentation of interactions in a multi-level multi-agent model for cartography constraint solving / Adrien Maudet (2014)PermalinkA stochastic method for the generation of optimized building-layouts respecting urban regulation / Shuang He (oct 2014)PermalinkThematic Cartography for the Society. Sensing technologies and their integration with maps: mapping landscape heterogeneity by satellite imagery / Duccio Rocchini (2014)PermalinkPermalinkTheories and simulations of complex social systems, ch. Modeling humain behavior in space and time using mobile phone data / Ana-Maria Olteanu-Raimond (2014)PermalinkAdvances In Knowledge Discovery and Management, ch. 8. Ontology-based formal specifications for user-friendly geospatial data discovery / Ammar Mechouche (2013)PermalinkPermalinkPermalinkPermalink