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The international Doris service, IDS activity report, January 2006 - December 2008 / Pierre Tavernier (2009)
Titre : The international Doris service, IDS activity report, January 2006 - December 2008 Type de document : Rapport Auteurs : Pierre Tavernier, Auteur ; Pascale Ferrage, Auteur ; International Doris Service, Auteur ; Hervé Fagard, Auteur ; et al., Auteur Editeur : Paris, Toulouse, Kourou [France] : Centre National d'Etudes Spatiales CNES Année de publication : 2009 Importance : 91 p. Format : 21 x 30 cm Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] altimètre
[Termes IGN] données DORIS
[Termes IGN] International DORIS Service
[Termes IGN] International Terrestrial Reference Frame
[Termes IGN] orbitographie
[Termes IGN] réseau Doris
[Termes IGN] station DORISNote de contenu : IDS AND DORIS QUICK REFERENCE LIST
GLOSSARY.
1 INTRODUCTION.
2 DORIS SPECIAL ISSUE IN JOURNAL OF GEODESY.
3 HISTORY.
4 ORGANIZATION.
5 THE CENTRAL BUREAU: IDS INFORMATION SYSTEM.
5.1 WHAT AND WHERE
5.2 WEB AND FTP SITES
5.2.1 IDS WEB SITE5.2.2 IDS FTP SERVER
5.2.3 DORIS WEB SITE
5.2.4 DATA CENTERS' WEB SITES
5.3 THE MAIL SYSTEM
5.3.1 DORISMAIL.
5.3.2 DORISREPORT
5.3.3 IDS ANALYSIS FORUM
5.3.4 OTHER MAILING LISTS
5.4 HELP TO THE USERS
5.5 FUTURE PLAN
6 THE NETWORK
6.1 GENERAL STATUS OF THE NETWORK.
6.2 RENOVATION PROGRAM OF THE PERMANENT NETWORK.
6.3 THIRD GENERATION BEACONS DEPLOYMENT STATUS
6.4 CO-LOCATIONS WITH OTHER IERS TECHNIQUES
7 THE SATELLITES FITTED OUT WITH DORIS RECEIVERS
IDS DATA FLOW COORDINATION (2006-2008)..
7.1 INTRODUCTION
7.2 FLOW OF IDS DATA AND PRODUCTS
7.3 DORIS DATA.
7.4 DORIS PRODUCTS
7.5 FUTURE PLANS
8 IDS DATA CENTERS
8.1 CRUSTAL DYNAMICS DATA INFORMATION SYSTEM (CDDIS)
8.1.1 PRESENTATION
8.1.2 CDDIS FUTURE PLANS
8.1.3 CDDIS CONTACT
8.2 IGN DORIS DATA CENTER
9 IDS ANALYSIS COORDINATION
9.1 ANALYSIS COORDINATION
9.2 ORBIT TESTS: RESULTS OF PRELIMINARY ORBIT COMPARISONS
9.3 SINEX FILE VALIDATION
9.4 ANALYSIS CENTERS STATUS AS OF DECEMBER 2008
10IDS COMBINATION
10.1 ACTIVITY SUMMARY
10.2 IDS VALIDATION OF SINEX
10.3 CONTRIBUTION TO ITRF2008
10.4 JASON-2
10.5 FUTURE COMBINATIONS
11 REPORT OF THE ESA/ESOC ANALYSIS CENTER (ESA)
11.1 INTRODUCTION
11.2 ITRF-2008 ACTIVITIES
11.3 FUTURE ACTIVITIES
12 REPORT OF THE GEOSCIENCE AUSTRALIA ANALYSIS CENTER (GAU)
12.1 INTRODUCTION
12.2 DATA PROCESSING
12.3 ORBIT COMPARISON TESTS
12.4 SINEX SUBMISSIONS
12.5 BENCHMARK TESTS
13 REPORT OF THE GEODETICAL OBSERVATORY PECNY ANALYSIS CENTER (GOP)
13.1 INTRODUCTION
13.2 ANALYSIS STRATEGY AND MODELS
13.3 AUTOMATION...
13.4 RESULTS AND PRODUCTS..
14 REPORT OF THE NASA/GSFC ANALYSIS CENTER (GSC)
14.1 ITRF2005 & SAA MODEL TESTING AND VALIDATION
14.2 MODEL IMPROVEMENTS FOR ALTIMETER SATELLITE POD
14.3 DEFINITION OF AN OPTIMAL ANALYSIS STRATEGY FOR DORIS PROCESSING
14.4 OTHER ANALYSIS CENTER ACTIVITIES IN 2008.
15 REPORT OF THE IGN/JPL ANALYSIS CENTER (IGN).
15.1 CONTEXT.
15.2 PRODUCTS DELIVERED (2006-2008)..
15.3 MAJOR IMPROVEMENTS.
16REPORT OF THE INASAN ANALYSIS CENTER (INA)
16.1 INTRODUCTION.
16.2 PRODUCT AND ANALYSIS RESULTS DESCRIPTIONS.
17REPORT OF THE CNES/CLS ANALYSIS CENTER (LCA).
17.1 CONTEXT
17.2 DATA PROCESSING.
17.3 PRODUCTS DELIVERED TO IDS....
17.3.1 WEEKLY SINEX
17.3.2 WEEKLY COORDINATE TIME SERIES.
17.3.3 ORBITS..
18 REPORT OF THE NEWCASTLE UNIVERSITY ANALYSIS CENTER (NCL).
19REFERENCES
20PUBLICATIONS (2006-2008)
APPENDIX: DORIS STATIONS COLOCATION WITH TIDE GAUGES.Numéro de notice : 15455 Affiliation des auteurs : IGN (1940-2011) Thématique : POSITIONNEMENT Nature : Rapport d'activité En ligne : http://ids-doris.org/documents/report/IDS_Report_2006_2008.pdf Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=40693 Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 15455-01 RO.08 Livre Centre de documentation En réserve M-103 Disponible
Titre : Rénovation de la station DORIS de Toulouse (France), version 1 Type de document : Rapport Auteurs : Jean-Claude Poyard, Auteur Mention d'édition : 1 Editeur : Paris : Institut Géographique National - IGN (1940-2007) Année de publication : 2007 Collection : Publications techniques en géodésie Sous-collection : Comptes rendus num. 28272 Importance : 20 p. Format : 21 x 30 cm Langues : Français (fre) Descripteur : [Vedettes matières IGN] Systèmes de référence et réseaux
[Termes IGN] rattachement de station
[Termes IGN] station DORIS
[Termes IGN] ToulouseRésumé : (Auteur) La monumentation et le type d'antenne de la balise maitresse de Toulouse sont obsolètes et ne répondent plus aux exigences du système DORIS. Le présent rapport décrit la mission de rénovation DORIS réalisée en juillet 2007. Numéro de notice : 12756 Affiliation des auteurs : IGN (1940-2011) Thématique : POSITIONNEMENT Nature : Rapport de mission Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=40342 Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 12756-01 7D Livre SGM K001 Exclu du prêt Documents numériques
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12756_cr220_v1_poyard_renovationdoris-toulouse.pdfAdobe Acrobat PDF Error analysis of weekly station coordinates in the DORIS network / Simon D.P. Williams in Journal of geodesy, vol 80 n° 8-11 (November 2006)
[article]
Titre : Error analysis of weekly station coordinates in the DORIS network Type de document : Article/Communication Auteurs : Simon D.P. Williams, Auteur ; Pascal Willis , Auteur Année de publication : 2006 Article en page(s) : pp 525 - 539 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] bruit blanc
[Termes IGN] bruit rose
[Termes IGN] calcul d'erreur
[Termes IGN] données DORIS
[Termes IGN] International Terrestrial Reference Frame
[Termes IGN] méthode du maximum de vraisemblance (estimation)
[Termes IGN] série temporelle
[Termes IGN] station DORIS
[Termes IGN] traitement du signalRésumé : (Auteur) Twelve years of DORIS data from 31 selected sites of the IGN/JPL (Institut Géographique National/Jet Propulsion Laboratory) solution IGNWD05 have been analysed using maximum likelihood estimation (MLE) in an attempt to understand the nature of the noise in the weekly station coordinate time-series. Six alternative noise models in a total of 12 different combinations were used as possible descriptions of the noise. The six noise models can be divided into two natural groups, temporally uncorrelated (white) noise and temporally correlated (coloured) noise. The noise can be described as a combination of variable white noise and one of flicker, first-order Gauss–Markov or power-law noise. The data set as a whole is best described as a combination of variable white noise plus flicker noise. The variable white noise, which is white noise with variable amplitude that is a function of the weekly formal errors multiplied by an estimated scale factor, shows a dependence on site latitude and the number of DORIS-equipped satellites used in the solution. The latitude dependence is largest in the east component due to the near polar orbit of the SPOT satellites. The amplitude of the flicker noise is similar in all three components and equal to about 20 mm/year1/4. There appears to be no latitude dependence of the flicker noise amplitude. The uncertainty in rates (site velocities) after 12 years is just under 1 mm/year. These uncertainties are around 3–4 times larger than if only variable white noise had been assumed, i.e., no temporally correlated noise. A rate uncertainty of 1 mm/year after 12 years in the vertical is similar to that achieved using Global Positioning System (GPS) data but it takes DORIS twice as long to reach 1 mm/year than GPS in the horizontal. The analysis has also helped to identify sites with either anomalous noise characteristics or large noise amplitudes, and tested the validity of previously proposed discontinuities. In addition, several new offsets were found in the time-series that should be used or at least flagged in future work. Copyright Springer Numéro de notice : A2006-534 Affiliation des auteurs : IGN (1940-2011) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-006-0056-6 En ligne : http://doi.org/10.1007/s00190-006-0056-6 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28257
in Journal of geodesy > vol 80 n° 8-11 (November 2006) . - pp 525 - 539[article]Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 266-06102 RAB Revue Centre de documentation En réserve L003 Disponible 266-06101 RAB Revue Centre de documentation En réserve L003 Disponible Estimating the noise in space-geodetic positioning: the case of DORIS / Karine Le Bail in Journal of geodesy, vol 80 n° 8-11 (November 2006)
[article]
Titre : Estimating the noise in space-geodetic positioning: the case of DORIS Type de document : Article/Communication Auteurs : Karine Le Bail , Auteur Année de publication : 2006 Article en page(s) : pp 541 - 565 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] bruit blanc
[Termes IGN] bruit rose
[Termes IGN] données DORIS
[Termes IGN] ENVISAT
[Termes IGN] filtrage du bruit
[Termes IGN] méthode du maximum de vraisemblance (estimation)
[Termes IGN] positionnement par DORIS
[Termes IGN] série temporelle
[Termes IGN] SPOT
[Termes IGN] station DORIS
[Termes IGN] TOPEX-Poseidon
[Termes IGN] traitement du signalRésumé : (Auteur) The noise spectrum in DORIS ground-station motion is investigated by means of the Allan variance method applied to the decomposition of the 3D signal into its principal components in the time domain. Sets of weekly position time-series from 1994 to 2005 derived by three IDS Analysis Centres (IGN-JPL, INASAN, and LEGOS-CLS) for 119 stations at 69 sites are considered. The observing satellites are SPOT-2, SPOT-3, SPOT-4, and SPOT-5, TOPEX/Poseidon, and ENVISAT. Annual and semi-annual perturbations, as well as the 117.3-day term associated with the TOPEX/Poseidon orbit, are found at most stations. Their amplitudes reach up to 19.3, 23.7, and 13.3 mm, respectively, for the three analysis centres (ACs). When corrected for these components and a linear drift, the time-series dominantly show white noise (WN) at the 10-45mm level the noise level is the highest in the East direction, probably in connection with the high orbit inclinations. The noise level is minimum for the high latitude stations, mostly and intensively observed by the SPOT satellites, and the determination of the noise type is unclear; longer observation spans would be needed to decide between interannual variations and flicker noise. The improvement in positioning due to the DORIS constellation extension from three to five satellites in 2002, and the network rejuvenation program initiated in 2000, results in a decrease of the noise level by a factor of 1.7 in a WN context, both before and after the changes. One example of the benefit of studying the signal in the time eigenspace domain is the detection of anomalously large WN in the East direction for station HBKB (Hartebeesthoek, Africa) that masks the above-mentioned improvement. Studying the projection on the local frame of the second and third time-eigenspace components, a noise excess is detected in the North direction for some of the ACs. Station stability derived from our time-series analysis confirms, in general, the expected performance based on the careful technical review of the station components (antenna, pillar, etc.). The respective merits of our noise qualification method, based on direct time-series analysis in the time-eigenspace domain without any a priori statistical model, in comparison with other methods, such as the selection of a mixed-noise model by maximum likelihood estimation, are discussed. Copyright Springer Numéro de notice : A2006-535 Affiliation des auteurs : IGN (1940-2011) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-006-0088-y En ligne : https://doi.org/10.1007/s00190-006-0088-y Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28258
in Journal of geodesy > vol 80 n° 8-11 (November 2006) . - pp 541 - 565[article]Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 266-06102 RAB Revue Centre de documentation En réserve L003 Disponible 266-06101 RAB Revue Centre de documentation En réserve L003 Disponible The international DORIS service: genesis and early achievements / Gilles Tavernier in Journal of geodesy, vol 80 n° 8-11 (November 2006)
[article]
Titre : The international DORIS service: genesis and early achievements Type de document : Article/Communication Auteurs : Gilles Tavernier, Auteur ; Hervé Fagard, Auteur ; Martine Feissel-Vernier , Auteur ; Karine Le Bail , Auteur ; F. Lemoine, Auteur ; Carey E. Noll, Auteur ; Ron Noomen, Auteur ; J.C. Ries, Auteur ; Laurent Soudarin, Auteur ; Jean-Jacques Valette, Auteur ; Pascal Willis , Auteur Année de publication : 2006 Article en page(s) : pp 403 - 417 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] DORIS
[Termes IGN] géodynamique
[Termes IGN] International DORIS Service
[Termes IGN] International Terrestrial Reference Frame
[Termes IGN] rotation de la Terre
[Termes IGN] station DORISRésumé : (Auteur) All space-geodetic techniques are now organized as separate services of the International Association of Geodesy (IAG), supporting the first pilot project “Global Geodetic Observing System (GGOS)”. The International DORIS (Détermination d’Orbite et Radiopositionnement Intégrés par Satellite) Service (IDS) was created in mid-2003 to organize a DORIS contribution to this project and to foster a larger international cooperation on this topic. The goal of this paper is to summarize the key steps that were taken to create this structure and to present its current organization and recent results. At present, more than 50 groups from 35 different countries participate in the IDS at various levels, including 43 groups hosting DORIS stations in 32 countries all around the globe. Four Analysis Centres (ACs) provide results, such as estimates of weekly or monthly station coordinates, geocentre variations or Earth polar motion, that will soon be used to generate IDS-combined products for geodesy and geodynamics. As a first test, a preliminary combination was performed for all the 2004 data from these four ACs. Three of them show RMS of weighted station residuals with respect to this combination solution between 1 and 2 cm. The main topic under investigation is a discrepancy in the scale factor of the terrestrial reference frame (TRF) to map the individual solutions into the combination solution, which reaches 6 cm (multiplying the unit-less scale factor by the Earth radius to get convert scale to millimetre in vertical at the Earth’s surface). Finally, foreseen improvements of the DORIS technology are discussed as well as future improvements concerning the service organization itself and the accuracy and reliability of its scientific products. Copyright Springer Numéro de notice : A2006-532 Affiliation des auteurs : IGN (1940-2011) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-006-0082-4 En ligne : https://doi.org/10.1007/s00190-006-0082-4 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28255
in Journal of geodesy > vol 80 n° 8-11 (November 2006) . - pp 403 - 417[article]Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 266-06102 RAB Revue Centre de documentation En réserve L003 Disponible 266-06101 RAB Revue Centre de documentation En réserve L003 Disponible Defining a DORIS core network for Jason-1 precise orbit determination based on ITRF2000 : methods and realization / Pascal Willis in Journal of geodesy, vol 79 n° 6-7 (September - October 2005)PermalinkApplications géodésiques du système DORIS à l'Institut Géographique National / Pascal Willis in Comptes rendus : Géoscience, vol 337 n° 7 (May 2005)PermalinkPermalinkParameter sensitivity of TOPIX orbit and derived mean sea level to DORIS stations coordinates / Laurent Morel in Advances in space research, vol 30 n° 2 (July 2002)PermalinkPermalinkWeekly DORIS solutions for stations coordinates : early results and perspectives / Pascal Willis (1998)PermalinkRattachement des balises Doris de localisation de Lifou et Tanna aux sites GPS du réseau GSLNH [Géodésie Spatiale Loyauté / Didier Maillard (1996)PermalinkRecent results for Doris processing at IGN using the GIPSY-OASIS 2 software: stations coordinates and Earth rotation determination / Pascal Willis (1994)PermalinkActivités de l'IGN en 1992 dans le domaine de la géodésie / Michel Le Pape (1993)PermalinkThe JCOD5 station coordinates solution of the Doris network / Pascal Willis (1993)Permalink