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Investigation of physical sensor models for modelling SPOT 3 orbits / T. Kim in Photogrammetric record, vol 22 n° 119 (September - November 2007)
[article]
Titre : Investigation of physical sensor models for modelling SPOT 3 orbits Type de document : Article/Communication Auteurs : T. Kim, Auteur ; H. Kim, Auteur ; S. Rhee, Auteur Année de publication : 2007 Article en page(s) : pp 257 - 273 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] capteur (télédétection)
[Termes IGN] compensation par faisceaux
[Termes IGN] erreur géométrique
[Termes IGN] étude de faisabilité
[Termes IGN] image SPOT
[Termes IGN] modélisation géométrique de prise de vue
[Termes IGN] orbite précise
[Termes IGN] orientation du capteurRésumé : (Auteur) This paper investigates the feasibility of modelling entire image strips, instead of individual scenes, that have been acquired from the same orbital pass through bundle adjustments. The focus differs from previous researches in the following aspects: firstly, in modelling image strips when control points are available only on a small portion of the strips and, secondly, in comparing the performance of two types of physical sensor models with various sets of adjustment parameters. The models tested were based on modified collinear equations and on satellite orbit and attitude. For each model seven adjustment parameter sets were defined and checked against two SPOT 3 strips of 420 km in length. Results showed that the accuracy of orbit modelling is highly dependent on the choice of parameters to be adjusted. Models with high-order parameters showed exponential error patterns whereas models with low-order parameters showed linear error patterns. Among the two types of sensor models, those based on satellite orbit and attitude yielded better orbit modelling performance. In particular, the best performance was achieved by the model that adjusts attitude biases only; a nearly constant accuracy of better than 2 pixels was maintained over the whole orbital segment of 420 km. This supports the feasibility of orbit modelling. Copyright RS&PS + Blackwell Publishing Numéro de notice : A2007-482 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1111/j.1477-9730.2007.00441.x En ligne : https://doi.org/10.1111/j.1477-9730.2007.00441.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28845
in Photogrammetric record > vol 22 n° 119 (September - November 2007) . - pp 257 - 273[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 106-07031 RAB Revue Centre de documentation En réserve L003 Disponible The International DORIS Service / Gilles Tavernier in Advances in space research, vol 36 n° 3 (March 2005)
[article]
Titre : The International DORIS Service Type de document : Article/Communication Auteurs : Gilles Tavernier, Auteur ; Hervé Fagard, Auteur ; Martine Feissel-Vernier , Auteur ; F. Lemoine, Auteur ; Carey E. Noll, Auteur ; John Ries, Auteur ; Laurent Soudarin, Auteur ; Pascal Willis , Auteur Année de publication : 2005 Article en page(s) : pp 333 - 341 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] International DORIS Service
[Termes IGN] International Terrestrial Reference Frame
[Termes IGN] orbite précise
[Termes IGN] positionnement par DORISRésumé : (auteur) The DORIS system was initially developed for precise orbit determination and precise positioning on the Earth. In continuation of the DORIS Pilot Experiment initiated in 1999, the International DORIS Service (IDS) officially started on July 1, 2003 as an IAG Service after an official acceptance from the IAG Executive Committee at the IUGG General Assembly in Sapporo, Japan. Following this decision, the IERS Directing board accepted the DORIS Service as a new IERS external service. Six satellites carrying DORIS receivers are currently in orbit, permanently observed by 56 well-distributed tracking stations. Among these, three satellites (Jason-1, ENVISAT and SPOT5) are equipped with the new generation of DORIS receivers and were launched between December 2001 and May 2002. The DORIS receivers on these three spacecraft include a navigation function, called DIODE. The permanent tracking network has been constantly improved and specific campaigns of observations have been conducted in Wettzell, Gads and in Antarctica. Recent DORIS performances for precise positioning were improved by this large increase in the satellite constellation, leading to almost 1 cm precision for weekly station coordinates. Significant improvements were also obtained in Polar Motion estimations, leading to 1.0–1.5 mas daily results. In 2003 and 2004, several steps were taken to improve the operations of the IDS, as well as its international cooperation, by organizing several specific analysis campaigns. The International DORIS Service has now started its scientific activity on a routine basis for the International Earth Rotation and Reference Systems Service (IERS) and the Global Geodetic Observing System (GGOS). Numéro de notice : A2005-616 Affiliation des auteurs : LAREG+Ext (1991-2011) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.asr.2005.03.102 Date de publication en ligne : 24/05/2005 En ligne : https://doi.org/10.1016/j.asr.2005.03.102 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102911
in Advances in space research > vol 36 n° 3 (March 2005) . - pp 333 - 341[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 38017-01 30.82 Tiré à part Centre de documentation Géodésie Disponible Absolute calibration of Jason-1 and TOPEX/Poseidon altimeters in Corsica / Pascal Bonnefond in Marine geodesy, vol 26 n°3-4 (July - December 2003)
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Titre : Absolute calibration of Jason-1 and TOPEX/Poseidon altimeters in Corsica Type de document : Article/Communication Auteurs : Pascal Bonnefond, Auteur ; Pierre Exertier, Auteur ; Olivier Laurain, Auteur ; Y. Menard, Auteur ; Alain Orsoni , Auteur ; Gwénaële Jan, Auteur ; E. Jeansou, Auteur Année de publication : 2003 Article en page(s) : pp 261 - 284 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] altimètre radar
[Termes IGN] bouée
[Termes IGN] Corse
[Termes IGN] erreur systématique
[Termes IGN] étalonnage d'instrument
[Termes IGN] orbite précise
[Termes IGN] source d'erreur
[Termes IGN] télémétrie laser sur satelliteRésumé : (auteur) The double geodetic Corsica site, which includes Ajaccio-Aspretto and Cape Senetosa (40 km south Ajaccio) in the western Mediterranean area, has been chosen to permit the absolute calibration of radar altimeters. It has been developed since 1998 at Cape Senetosa and, in addition to the use of classical tide gauges, a GPS buoy is deployed every 10 days under the satellites ground track (10 km off shore) since 2000. The 2002 absolute calibration campaign made from January to September in Corsica revealed the necessity of deploying different geodetic techniques on a dedicated site to reach an accuracy level of a few mm: in particular, the French Transportable Laser Ranging System (FTLRS) for accurate orbit determination, and various geodetic equipment as well as a local marine geoid, for monitoring the local sea level and mean sea level. TOPEX/Poseidon altimeter calibration has been performed from cycle 208 to 365 using M-GDR products, whereas Jason-1 altimeter calibration used cycles from 1 to 45 using I-GDR products. For Jason-1, improved estimates of sea-state bias and columnar atmospheric wet path delay as well as the most precise orbits available have been used. The goal of this article is to give synthetic results of the analysis of the different error sources for the tandem phase and for the whole studied period, as geophysical corrections, orbits and reference frame, sea level, and finally altimeter biases. Results are at the millimeter level when considering one year of continuous monitoring; they show a great consistency between both satellites with biases of 6 ± 3 mm (ALT-B) and 120 ± 7 mm, respectively, for TOPEX/Poseidon and Jason-1. Numéro de notice : A2003-460 Affiliation des auteurs : IGN+Ext (1940-2011) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/714044521 Date de publication en ligne : 21/06/2010 En ligne : https://doi.org/10.1080/714044521 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101125
in Marine geodesy > vol 26 n°3-4 (July - December 2003) . - pp 261 - 284[article]Topex-Jason combined GPS-DORIS orbit determination in the TanDEM phase / Pascal Willis in Advances in space research, vol 31 n° 8 (14/03/2003)
[article]
Titre : Topex-Jason combined GPS-DORIS orbit determination in the TanDEM phase Type de document : Article/Communication Auteurs : Pascal Willis , Auteur ; Bruce J. Haines, Auteur ; Yoaz E. Bar-Sever, Auteur ; Willy I. Bertiger, Auteur ; Ron Muellerschoen, Auteur ; Da Kuang, Auteur ; Shailen Desai, Auteur Année de publication : 2003 Article en page(s) : pp 1941 - 1946 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Techniques orbitales
[Termes IGN] balise DORIS
[Termes IGN] GIPSY-OASIS
[Termes IGN] Jason
[Termes IGN] orbite précise
[Termes IGN] orbitographie
[Termes IGN] récepteur DORIS
[Termes IGN] récepteur GPS
[Termes IGN] TOPEX-PoseidonRésumé : (Auteur) In December 2001, the Jason-1 satellite was launched to extend the long-term success of the TOPEX/POSEIDON (T/P) oceanographic mission. The goals for the Jason-1 mission represent both a significant challenge and a rare opportunity for precise orbit determination (POD) analysts. Like its predecessor, Jason-1 carries three types of POD systems: a GPS receiver, a DORIS receiver and a laser retro-reflector. In view of the 1-cm goal for radial orbit accuracy, several major improvements have been made to the POD systems: 1) the GPS "BlackJack" TurboRogue Space Receiver (TRSR) tracks up to 12 GPS spacecraft using advanced codeless tracking techniques; 2) a newly developed DORIS receiver can track two ground beacons simultaneously with lower noise. In addition, the satellite itself features more straightforward attitude behavior, and a symmetric shape, simplifying the orbit determination models compared to T/P. On the other hand, the area-to-mass ratio for Jason-1 is larger, implying larger potential surface-force errors. This paper presents Jason-1 POD results obtained at JPL using the GIPSYOASIS II (GOA) software package. Results from standard tests (orbit overlaps, laser control points) suggest that 1 to 2 cm radial orbit precision is already being achieved using the JPL reduced-dynamic estimation approach. We also report new DORIS POD strategies that make full profit of the additional number of common DORIS observations due to the T/P-Jason-1 tandem mode of orbit as well the additional dual-channel capability of the upgraded JASON receiver (allowing simultaneous tracking of two ground stations). New information on the satellite's time scale is availed through this new estimation strategy. Results show that a significant improvement to DORIS-based orbits could be gained using this strategy. Building on these results, we have extended the GIPSY/OASIS II software capability to more fully exploit the combined benefit of both GPS and DORIS measurements from UP and Jason-1 in their preliminary tandem mode. POD test results are used to demonstrate the accuracy of these orbits and to compare results in different cases: DORIS-alone, and GPS and DORIS together in both single- and multi-satellite modes. On the other, we have demonstrated and explained an anomalous behavior of the on-board oscillator when crossing the South Atlantic Anomaly region. Finally, plans for future software enhancements, processing strategies and modeling improvements are presented. Numéro de notice : 54856 Affiliation des auteurs : IGN+Ext (1940-2011) Thématique : IMAGERIE/POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/S0273-1177(03)00156-X Date de publication en ligne : 28/10/2003 En ligne : https://doi.org/10.1016/S0273-1177(03)00156-X Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=34308
in Advances in space research > vol 31 n° 8 (14/03/2003) . - pp 1941 - 1946[article]Parameter 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)
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Titre : Parameter sensitivity of TOPIX orbit and derived mean sea level to DORIS stations coordinates Type de document : Article/Communication Auteurs : Laurent Morel, Auteur ; Pascal Willis , Auteur Année de publication : 2002 Article en page(s) : pp 255 - 263 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Techniques orbitales
[Termes IGN] niveau de la mer
[Termes IGN] orbite précise
[Termes IGN] orbitographie
[Termes IGN] station DORISRésumé : (auteur) When determining precise orbits from altimetric satellites, the choice of the terrestrial reference frame is a key issue but still an open scientific topic. The terrestrial reference frame realization choice in the precise orbit determination processing will usually lead to systematic effects coming from the adoption of translations, scale factor and rotations but also others effects more difficult to assess, coming from a possible erroneous choice of a station coordinate. The goal of this paper is to try to characterize the effect of an erroneous individual station coordinate in vertical and horizontal components on the satellite orbit determination (characterization of the error, order of magnitude, consequences assessment of the on derived oceanographic products). Simulations have been realized at Institut Géographique National using the GIPSY/OASIS software from actual TOPEX DORIS data. These studies show that the stations whose latitude are close to the orbit inclination have the largest effect on the orbit error. These simulations will also help us to better estimate the required accuracy of a new tracking station. Additionally the study has been extended to try to predict the future uncertainty in the mean sea level determination in the 2000–2010 period derived for the present accuracy of the ITRF97 coordinates and velocities. Present uncertainties in the ITRF97 realization will create systematic errors in the TOPEX derived mean sea level at the 1 mm level in 2010. Numéro de notice : A2002-404 Affiliation des auteurs : LAREG (1991-2011) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/S0273-1177(02)00293-4 Date de publication en ligne : 22/08/2002 En ligne : https://doi.org/10.1016/S0273-1177(02)00293-4 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102910
in Advances in space research > vol 30 n° 2 (July 2002) . - pp 255 - 263[article]Traitement de données GPS en Antarctique : comment calculer les mouvements du sol / Marie-Noëlle Bouin (1998)PermalinkPrecise orbit computation, gravity model adjustment and altimeter data processing for the ERS-1 altimetry mission / K.F. Wakker (1987)Permalink