Academic literature on the topic 'Satellites artificiels en géodésie'
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Journal articles on the topic "Satellites artificiels en géodésie"
Exertier, Pierre, and Gilles Métris. "Dynamique des satellites artificiels et ses applications." Comptes Rendus de l'Académie des Sciences - Series IV - Physics 1, no. 4 (May 2000): 523–36. http://dx.doi.org/10.1016/s1296-2147(00)00161-x.
Full textEl kharki, Omar. "Panorama sur les méthodes de classification des images satellites et techniques d'amélioration de la précision de la classification." Revue Française de Photogrammétrie et de Télédétection, no. 210 (April 7, 2015): 23–38. http://dx.doi.org/10.52638/rfpt.2015.259.
Full textKilani, Mondher. "Culture." Anthropen, 2019. http://dx.doi.org/10.17184/eac.anthropen.121.
Full textDissertations / Theses on the topic "Satellites artificiels en géodésie"
Lucchesi, David. "Effets des forces non-gravitationnelles sur les satellites LAGEOS : impact sur la détermination de l'effet Lense-Thirring." Nice, 2001. http://www.theses.fr/2001NICE5691.
Full textThis Ph. D. Thesis has been concentrated upon the study of the non-gravitational perturbative effects on LAGEOS satellites orbit and on the influence of these perturbations with regard to the geodynamical applications and to the Lense-Thirring effect determination. Indeed, laser ranging from Earth bound stations of these passive satellites has allowed the first direct measurement of the relativistic precession of the satellite orbital plane due to the Earth angular momentum, the so called Lense-Thirring effect. In this work we have investigated the perturbative effects due to the following non-conservative forces: i) direct solar radiation pressure, ii) Earth albedo radiation pressure, iii) solar Yarkovsky thermal thrust, iv) Earth Rubincam thermal thrust and v) anisotropic reflectivity of the satellite hemispheres. Our studies and analyses have been focused on the subsequent elements of the satellites orbit: a) eccentricity vector excitations components, b) argument of perigee rate, c) inclination rate and d) node rate. These studies have been performed both analytically and numerically, integrating the satellites orbits over a 7 years period. We have been particularly interested to LAGEOS II orbit analysis, and indeed these studies are new for several of the cited elements in the case of LAGEOS II. We have analysed 4. 7 years of LAGEOS II perigee and node residuals with respect to a reference orbit and we estimated from their fit the satellite parameters characteristic of the Yarkovsky effect and of the anisotropic reflectivity. The results obtained are totally new for LAGEOS II. Then we have estimated how the uncertainties of these non-gravitational effects influence the measurement of the Lense-Thirring effect. Finally we have given – over a 7-year period – the error budget estimate for the Lense-Thirring effect measurement due to different perturbations
Perosanz, Félix. "Utilisation des mesures GPS pour la restitution dynamique précise d'orbites et l'amélioration des modèles globaux de champ de gravité terrestre : application au satellite TOPEX/POSEIDON et à la simulation des performances des futures missions géodésiques." Toulouse 3, 1995. http://www.theses.fr/1995TOU30183.
Full textExertier, Pierre. "Orbitographie des satellites artificiels sur de grandes périodes de temps : possibilités d'applications." Observatoire de Paris, 1988. https://hal.archives-ouvertes.fr/tel-02095278.
Full textSoudarin, Laurent. "Positionnement précis et tectonique des plaques à partir du système spatial DORIS." Toulouse 3, 1995. http://www.theses.fr/1995TOU30169.
Full textZoulida, Myriam. "Determination of terrestrial frames by optimal combination of GNSS, DORIS and SLR measurements." Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC050.
Full textIn the present approach used to produce the International Terrestrial Reference Frame (ITRF), observations of the different space geodetic techniques are reduced in independent analyses. The only mean to tie the resulting technique-specific frames into a homogeneous combined frame is then to use local topometric ties between stations of different techniques co-located at the same observatory. However, inconsistencies between these local ties and space geodesy estimates of the station positions are today a major limiting factor of the ITRF quality. An alternative way of tying the different space geodetic techniques together is through the use of multitechnique satellites equipped with instruments of more than one technique. The main challenge of using such a satellite as an inter-technique link resides in the accurate knowledge (or estimation) of the vectors between the satellite's center of mass and the reference points of its different instruments (i. E. Space ties). In this thesis we present the results from multi-technique (GPS+SLR+DORIS) analyses involving the Jason-2 satellite, and we compare them to the results from traditional single-technique analyses. We assess in particular the effect of simultaneously processing the observations of the three techniques with Jason-2 as inter-technique link on the resolution of the GPS phase ambiguities, on the estimation of the GPS and Jason-2 satellite orbits and on the estimation of the ground station positions. Moreover, results of the estimation of the Jason-2 space ties are presented, in order to assess the quality of the presently available values
Vaz, De Almeida Flavio-Guilherm. "Etudes des variations temporelles du champ de pesanteur terrestre à partir des données de la mission GRACE : application au bassin amazonien." Toulouse 3, 2009. http://thesesups.ups-tlse.fr/583/.
Full textThe objective of this work is to analyze the temporal variations of the gravitational field, determined by the space mission Gravity Recovery and Climate Experiment (GRACE), and its relationships to the dynamics of water in the Amazon basin area. For this reason, was developed a methodology to estimate the water level in not controlled stocks or difficult to reach floodplains. With this intention, the Stokes coefficients, calculated by the Groupe de Recherche de Geodesie Spatiale (GRGS) Toulouse-FR, were converted into equivalent water height (EWH) for a ~4-year period (July-2002 to May-2006). In this basin, the amplitudes of EWH signal are the largest on Earth and can reach about 1250mm at the center of the basin. Analysis of the uncertainties indicate that it represents ~160 mm of EWH in this basin, including Stokes coefficient uncertainties (~130 mm), leakage errors (12 ~ 21 mm) and spectrum truncation (10 ~ 15 mm). This amplitude was indirectly validated by the comparison between equivalent vertical crustal displacements due to surface water load and the vertical movements of the Manaus GPS permanent monitoring stations, near to the center of the basin. The values of EWH thus obtained were compared with the in-situ water level collected by the Brazilian National Agency of Water (ANA) at 233 ground-based hydrometric stations (HS). Although EWH and HS measure different water bodies, high correlation, up to ~80% in most of the cases, is detected. This high correlation allows adjusting linear relationships between both series for the major tributaries of the Amazon. The regression coefficients decrease from upstream to downstream along the rivers reaching the theoretical value 1 at the mouth of the Amazon in the Atlantic Ocean
Crétaux, Jean-François. "Orbitographie de satellites d'altitudes 500 à 1500 kilomètres à l'aide du système de positionnement global (GPS)." Toulouse 3, 1993. http://www.theses.fr/1993TOU30164.
Full textRémy, Frédérique. "Etude des calottes polaires par altimétrie satellitaire." Toulouse 3, 1989. http://www.theses.fr/1989TOU30223.
Full textMelachroinos, Stavros A. "Positionnement géodésique à haute fréquence de réseaux GNSS terrestres et marins." Observatoire de Paris (1667-....), 2007. https://hal.science/tel-02071426.
Full textThe surface deformations of the Earth’s crust and the sea-level variations measured by terrestrial or maritime GNSS networks are a subject that the CNES/GRGS team wanted to investigate thoroughly. In the first part, the main characteristics and differences of four global positioning systems that will constitute the future Global Navigation Satellite System of Systems are presented. In the second part, I concentrate in the definition of the basic geodetic components of GNSS used in positioning. In the third part, GINS scientific software package the basic tool used in this PhD study is presented. Updated modifications implemented for the needs of my research are overseen. Then validations tests of the modifications on the level of precise orbit determination (for GPS and GIOVE-A) and positioning are presented. In the fourth part, the main study of ocean tide loading – OTL in a complex coastal area that of Brittany, in France is presented. The implemented method aims to use a dedicated dense GPS network in order to evaluate/validate the performances of ocean tide models in the region. The impact of OTL on tropospheric parameters, the datum stability used to align the GNSS solution and the aliasing affects on the campaign stations’ time-series of unmodeled vertical displacement are analyzed. In the final and last part, the preliminary results of a GPS kinematic data set designated to cross compare and validate altimetric and oceanographic observations of the Antarctic Circumpolar Current are analyzed
Tahayt, Abdelilah. "Apport des mesures de la géodésie spatiale dans l'étude des déformations tectoniques actuelles dans la Méditerranée occidentale." Toulouse 3, 2008. http://thesesups.ups-tlse.fr/291/.
Full textThe plate boundaries are characterized by important tectonic and seismic activities. The present-day tectonic movements have been evaluated in the Western Mediterranean (Africa–Iberia–Eurasia plate limits) using three satellite techniques : GPS, InSAR (ENVISAT), Optical Imagery (SPOT5). This evaluation concerned different spatio-temporal scales, taking into account geological and geophysical knowledges in the region. The GPS used in one hand to estimate velocity field of deformations in oriental Pyrenees and Morocco with southern part of Iberia, in other hand for calculating coseismic displacements in Al Hoceima region. InSAR and Optical Imagery have been employed in the detailed study on the Al Hoceima earthquake (Mw = 6. 5) of 24 February 2004. At first, we show the potential of each technique in precise quantification of deformation in several cases of tectonic plate limits studied in this work. Then, we consider an approach of combination of the data sets. The last approach allowed us to suggest two new models : (1) A model on the block movements at the regional scale of the Africa–Iberia convergence zone, where we underlined in the Rif individualization of three blocks cinematically distinct ; (2) A model on the source parameters of the earthquake in the local scale of Al Hoceima region, suggesting a rupture with two abating faults. The last model can be integrated in the first one since it concerns a seismogenic limit of individualized blocks
Books on the topic "Satellites artificiels en géodésie"
Chetty, P. R. K. Satellite technology and its applications. 2nd ed. Blue Ridge Summit, PA: TAB Professional and Reference Books, 1991.
Find full textChetty, P. R. K. Satellite technology and its applications. Blue Ridge Summit, PA: TAB Books, 1988.
Find full textC, Hughes Peter. Des satellites qui en endommagent d'autres. Ottawa, Ont: Affaires extérieures et commerce extérieur Canada, 1991.
Find full textG, Evans B., and Institution of Electrical Engineers, eds. Satellite communication systems. 3rd ed. London, United Kingdom: Institution of Electrical Engineers, 1999.
Find full textBlonstein, Larry. Communications satellites: The technology of space communications. New York: John Wiley, 1987.
Find full textCommunications satellites: The technology of space communications. London: Heinemann, 1987.
Find full textCanada. Dept. of Foreign Affairs and International Trade. Telecommunications : agreement between the Government of Canada and the Government of Argentine Republic concerning the provision of satellite facilities and the transmission and reception of signals to and from satellites for the provision of satellite services to users in Canada and the Argentine Republic (with protocol), Buenos Aires, October 17, 2000, in force October 17, 2000 =: Télécommunications : accord entre le gouvernement du Canada et le gouvernement de la République Argentine concernant la fourniture d'installations de satellite de même que la transmission et la réception de signaux à destination et en provenance de satellites pour la fourniture de services par satellite aux utilisateurs du Canada et de la République Argentine (avec protocole), Buenos Aires, le 17 octobre 2000, en vigueur le 17 octobre 2000. Ottawa, Ont: Minister of Public Works and Government Services Canada = Ministre des travaux publics et services gouvernementaux Canada, 1998.
Find full textCanada. Dept. of Foreign Affairs and International Trade. Telecommunications : agreement between the Government of Canada and the Government of the United States of America concerning the operation of commercial remote sensing satellite systems (with annex), Washington, June 16, 2000, in force June 16, 2000 =: Télécommunications : accord entre le gouvernement du Canada et le gouvernement des États-Unis d'Amérique concernant l'exploitation de systèmes commerciaux de télédétection par satellite (avec annexe), Washington, le 16 juin 2000, en vigueur le 16 juin 2000. Ottawa, Ont: Minister of Public Works and Government Services Canada = Ministre des travaux publics et services gouvernementaux Canada, 1998.
Find full textJ, Butrica Andrew, and United States. National Aeronautics and Space Administration. History Office., eds. Beyond the ionosphere: Fifty years of satellite communication. Washington, D.C: National Aeronautics and Space Administration, NASA History Office, 1997.
Find full textGuyot, Gérard. Signatures spectrales des surfaces naturelles. Caen: Paradigme, 1989.
Find full textBook chapters on the topic "Satellites artificiels en géodésie"
Capderou, Michel. "Géodésie." In Satellites : de Kepler au GPS, 23–48. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-287-99050-2_2.
Full text"8. Satellites artificiels." In Introduction aux éphémérides et phénomènes astronomiques, 547–96. EDP Sciences, 2021. http://dx.doi.org/10.1051/978-2-7598-2656-8.c013.
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