Relevant bibliographies by topics / Space geodetic techniques

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Space geodetic techniques'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Space geodetic techniques"

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Lösler, Michael, Cornelia Eschelbach, and Stefan Riepl. "A modified approach for automated reference point determination of SLR and VLBI telescopes." tm - Technisches Messen 85, no. 10 (October 25, 2018): 616–26. http://dx.doi.org/10.1515/teme-2018-0053.

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AbstractThe International Terrestrial Reference Frame (ITRF) is derived by combining several space geodetic techniques. Basically, a meaningful combination of the geodesic space techniques is impossible without further geometrical information, i. e. local-ties. Local-tie vectors are defined between the geometrical reference points of space geodetic techniques at co-location stations. These local-ties are introduced during the inter-technique combination process, to overcome the weak physical connection between the space geodetic techniques. In particular, the determination of the reference point of radio telescopes or laser telescopes is a challenging task and requires indirect methods. Moreover, the Global Geodetic Observing System (GGOS) strives for an automated and continued reference point determination with sub-millimeter accuracy, because deviations in local-ties bias global results.This investigation presents a modified approach for automated reference point determination. The new approach extends the prior work of Lösler but evades the synchronization between the terrestrial instrument and the telescope. Thus, synchronization errors are omitted and the technical effort is reduced. A proof of concept was carried out at Geodetic Observatory Wettzell in 2018. Using a high-precision, mobile laser-tracker, the reference point of the Satellite Observing System Wettzell (SOS-W) was derived. An extended version of the in-house developed software package HEIMDALL was employed for a mostly automated data collection. To evaluate the estimated reference point, the derived results are compared with the results of two approved models.
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Bianco, G., R. Devoti, M. Fermi, C. Ferraro, R. Lanotte, V. Luceri, A. Nardi, et al. "Investigation on the combination of space geodetic techniques." Journal of Geodynamics 30, no. 3 (February 2000): 337–53. http://dx.doi.org/10.1016/s0264-3707(99)00070-8.

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Lösler, Michael, Cornelia Eschelbach, Thomas Klügel, and Stefan Riepl. "ILRS Reference Point Determination Using Close Range Photogrammetry." Applied Sciences 11, no. 6 (March 20, 2021): 2785. http://dx.doi.org/10.3390/app11062785.

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A global geodetic reference system (GGRS) is realized by physical points on the Earth’s surface and is referred to as a global geodetic reference frame (GGRF). The GGRF is derived by combining several space geodetic techniques, and the reference points of these techniques are the physical points of such a realization. Due to the weak physical connection between the space geodetic techniques, so-called local ties are introduced to the combination procedure. A local tie is the spatial vector defined between the reference points of two space geodetic techniques. It is derivable by local measurements at multitechnique stations, which operate more than one space geodetic technique. Local ties are a crucial component within the intertechnique combination; therefore, erroneous or outdated vectors affect the global results. In order to reach the ambitious accuracy goal of 1 mm for a global position, the global geodetic observing system (GGOS) aims for strategies to improve local ties, and, thus, the reference point determination procedures. In this contribution, close range photogrammetry is applied for the first time to determine the reference point of a laser telescope used for satellite laser ranging (SLR) at Geodetic Observatory Wettzell (GOW). A measurement campaign using various configurations was performed at the Satellite Observing System Wettzell (SOS-W) to evaluate the achievable accuracy and the measurement effort. The bias of the estimates were studied using an unscented transformation. Biases occur if nonlinear functions are replaced and are solved by linear substitute problems. Moreover, the influence of the chosen stochastic model onto the estimates is studied by means of various dispersion matrices of the observations. It is shown that the resulting standard deviations are two to three times overestimated if stochastic dependencies are neglected.
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IWATA, Takahiro, Koji MATSUMOTO, Yoshiaki ISHIHARA, Fuyuhiko KIKUCHI, Yuji HARADA, and Sho SASAKI. "Measurements of Martian Rotational Variations by Space Geodetic Techniques." TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 10, ists28 (2012): Pk_25—Pk_29. http://dx.doi.org/10.2322/tastj.10.pk_25.

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Govind, R., J. Dawson, D. Sproule, and G. Luton. "Combination of high precision space geodetic techniques: The Asia and Pacific Regional Geodetic Project 1997." Advances in Space Research 23, no. 4 (January 1999): 797–807. http://dx.doi.org/10.1016/s0273-1177(99)00157-x.

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Lagler, K., M. Schindelegger, J. Böhm, H. Krásná, and T. Nilsson. "GPT2: Empirical slant delay model for radio space geodetic techniques." Geophysical Research Letters 40, no. 6 (March 22, 2013): 1069–73. http://dx.doi.org/10.1002/grl.50288.

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Guo, Jinyun, Qiaoli Kong, Jian Qin, and Yu Sun. "On precise orbit determination of HY-2 with space geodetic techniques." Acta Geophysica 61, no. 3 (January 24, 2013): 752–72. http://dx.doi.org/10.2478/s11600-012-0095-8.

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Robaudo, Stefano, and Christopher G. A. Harrison. "Measurements of strain at plate boundaries using space based geodetic techniques." Geophysical Research Letters 20, no. 17 (September 3, 1993): 1811–14. http://dx.doi.org/10.1029/93gl01380.

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Robbins, J. W. "Geophysics 1990: Regional deformation and global tectonics from space geodetic techniques." Eos, Transactions American Geophysical Union 72, no. 14 (1991): 162. http://dx.doi.org/10.1029/90eo00125.

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Boucher, C., and Z. Altamimi. "The use of space techniques for the connection of geodetic datums." Advances in Space Research 6, no. 9 (January 1986): 23–27. http://dx.doi.org/10.1016/0273-1177(86)90345-5.

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Dissertations / Theses on the topic "Space geodetic techniques"

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Wijaya, Dudy Darmawan. "Atmospheric correction formulae for space geodetic techniques." Aachen Shaker, 2009. http://d-nb.info/1002018986/04.

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Wijaya, Dudy D. [Verfasser]. "Atmospheric correction formulae for space geodetic techniques / Dudy D Wijaya." Aachen : Shaker, 2010. http://d-nb.info/1122546718/34.

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Turney, J. F. "Simultaneous adjustment of space and terrestrial observations in large geodetic networks." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381099.

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Modiri, Sadegh [Verfasser], Harald [Akademischer Betreuer] Schuh, Harald [Gutachter] Schuh, José M. [Gutachter] Ferrándiz, and Alireza A. [Gutachter] Ardalan. "On the improvement of earth orientation parameters estimation : using modern space geodetic techniques / Sadegh Modiri ; Gutachter: Harald Schuh, José M. Ferrándiz, Alireza A. Ardalan ; Betreuer: Harald Schuh." Berlin : Technische Universität Berlin, 2021. http://d-nb.info/1238143199/34.

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Modiri, Sadegh [Verfasser], Harald [Gutachter] Schuh, José M. [Gutachter] Ferrándiz, and Alireza A. [Gutachter] Ardalan. "On the improvement of earth orientation parameters estimation: using modern space geodetic techniques / Sadegh Modiri ; Gutachter: Harald Schuh, José M. Ferrándiz, Alireza A. Ardalan ; GFZ German Research Centre for Geosciences." Potsdam : Deutsches GeoForschungsZentrum GFZ, 2021. http://d-nb.info/1237615275/34.

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Balidakis, Kyriakos [Verfasser], Harald [Akademischer Betreuer] Schuh, Harald [Gutachter] Schuh, Rüdiger [Gutachter] Haas, and Daniela [Gutachter] Thaller. "On the development and impact of propagation delay and geophysical loading on space geodetic technique data analysis / Kyriakos Balidakis ; Gutachter: Harald Schuh, Rüdiger Haas, Daniela Thaller ; Betreuer: Harald Schuh." Berlin : Technische Universität Berlin, 2019. http://d-nb.info/1200466640/34.

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Luong, Ngoc-Dung. "Analyse d'erreurs de constellations de satellites en termes de positionnement global et d'orbitographie." Thesis, Nice, 2015. http://www.theses.fr/2015NICE4112/document.

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Grâce au développement des techniques spatiales (GNSS, DORIS, laser et le VLBI), la géodésie apporte quantité d’informations sur la forme de la Terre (sa géométrie et sa gravité), sa rotation et son orientation dans l’espace, aux échelles globales comme aux échelles régionales. L’étude des déformations de chaînes de montagne par GPS, des courants marins cartographiés par altimétrie satellitaire, des variations temporelles du champ de gravité, ainsi que l’établissement du repère de référence terrestre international, sont les exemples de l’apport de ces techniques à l’observation de la Terre et au changement global. Notre travail a pour but de faire un bilan des erreurs résiduelles de la géodésie spatiale, en séparant les causes des effets. Le but est de montrer comment les erreurs d’orbite se propagent d’abord dans la trajectoire, puis dans des produits globaux comme le repère de référence (via les mesures de poursuite de satellites) et la surface topographique (via les mesures altimétriques). Nous avons développé une approche analytique qui traite du transfert des erreurs d’origines géométrique et dynamique. En partant des équations du mouvement orbital, nous proposons une solution analytique d’ordre un du mouvement orbital circulaire, qui est appliquée pour propager les erreurs de modèle dynamique. Ensuite, les résultats sont transférés (ou projetés) sur plusieurs types de fonction de mesure : l’altimétrie, les mesures de distance et les mesures de vitesse radiale. L’originalité de ce travail tient pour beaucoup dans les méthodes purement analytiques qui ont été développées spécifiquement pour effectuer les analyses
Thanks to the development of space techniques (GNSS, DORIS, laser and VLBI) geodesy provides amount of information to determine and to study the shape of the Earth (its geometry and its gravity), its rotation and orientation in space at global scales as well as at regional scales. The study of crustal deformations by using GPS, the ocean topography by satellite altimetry, the temporal variations of the gravity field (mass transports) as well as the construction and monitoring of the International Terrestrial Reference Frame (ITRF), are some examples of the contribution of these techniques to the Earth observation including the current global change. Our work aims to separate causes and consequences. We developed a dedicated approach in which different source of errors, of geometrical and dynamical natures, are treated by analytical expressions. Starting from the dynamical satellite equation of motion, we propose to integrate and propagate the model errors and then to project the results into different measurement functions: altimetry, tracking distances and radial velocities. It results in a complex but comprehensive way that enables the propagation of prediction errors into some general geodetic products as the terrestrial reference frame or the ocean surface topography. The originality of this work lies in the development of a purely analytical method for circular orbits, which has been used to propagate errors from dynamical models. In addition, the resulting orbit errors were projected at the measurement level in order to deduce the impacts on some global geodetic products
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Arcostanzo, Marc. "Rigidité et prolongement au disque d'une distance sur le bord." Université Joseph Fourier (Grenoble), 1994. http://www.theses.fr/1994GRE10216.

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Etant donne une distance d sur le bord d'un disque de dimension deux, nous cherchons dans cette these a prolonger d en une distance sur le disque tout entier, de telle sorte que l'espace metrique obtenu soit un espace de longueur, par exemple une metrique riemannienne ou finslerienne. Le prolongement est dit rigide s'il est unique a isometrie pres. Des resultats de rigidite ont ete obtenus par r. Michel, j. P. Otal et c. B. Croke en se restreignant aux metriques riemanniennes. Nous prouvons ici la rigidite des metriques euclidiennes a singularites coniques de courbures negatives. Nous donnons egalement des exemples de metriques riemanniennes non rigides. Nous montrons ensuite qu'un tel prolongement est entierement determine par la donnee de ses courbes geodesiques, ce qui permet de decrire l'ensemble des solutions du probleme. En imposant des conditions sur la distance sur le bord et le systeme de geodesiques, l'espace de longueur obtenu provient en fait d'une metrique finslerienne ou riemannienne. On obtient finalement un critere pour que deux prolongements ne soient pas isometriques
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Picaud, Jean-Claude. "Un aspect géométrique du deuxième groupe de cohomologie bornée réelle des surfaces." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10174.

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M. Gromov, dans un article publie au debut des annees 80, met en evidence la notion de cohomologie bornee dans un contexte geometrique. Depuis, un certain nombre de travaux ont revele la complexite et la richesse de cette notion. Precisement, l'objet de ce travail est de rendre compte de la geometrie contenue dans le deuxieme groupe de cohomologie bornee reelle des surfaces. Lorsqu'une surface admet une metrique hyperbolique, ce groupe, qui est muni d'une structure d'espace de banach, est de dimension infinie. Nous proposons d'interpreter certaines de ses classes (de nature geometrique mais aussi algebriques) en termes de classes de mesures sur le bord du revetement universel de la surface. Nous montrons egalement que cette construction apparait naturellement dans le contexte de la dynamique symbolique
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Botai, J. O. (Joel Ongego). "Analysis of geodetic and model simulated data to describe non-stationary moisture fluctuations over Southern Africa." Thesis, 2011. http://hdl.handle.net/2263/28907.

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Recent advances in space geodetic techniques such as Very Long Baseline Interferometry, Global Navigation Satellite Services, Satellite Laser Ranging and advanced numerical weather prediction model simulations, provide huge tropospheric data sets with improved spatial temporal resolution. These data sets exhibit unique fluctuations that have a spatial-temporal structure which are thought to mimic the complex behaviour of the atmosphere. As a result, the analysis of non-stationary structure in the tropospheric parameters derived from geodetic and numerical model simulations could be used to probe the extent of universality in the dynamics of the atmosphere, with applications in space geodesy. In order to identify the physical causes of variability of tropospheric parameters, parametric and nonparametric data analyses strategies which are investigated and reported in this thesis, are used to inform on the geophysical signals embedded in the data structure. In the first task of this research work, it is shown that the fluctuations of atmospheric water vapour over southern Africa are non-linear and non-stationary. Secondly, the tropospheric data sets are transformed to stationarity and the stochastic behaviour of water vapour fluctuations are assessed by use of an automatic algorithm that estimates the model parameters. By using a data adaptive modelling algorithm, an autoregressive-movingaverage model was found to sufficiently characterise the derived stationary water vapour fluctuations. Furthermore, the non-linear and non-stationary properties of tropospheric delay due to water vapour were investigated by use of robust and tractable non-linear approaches such as detrended fluctuation analysis, independent component analysis, wavelet transform and empirical mode decomposition. The use of non-linear approaches to data analysis is objective and tractable because they allow data to speak for themselves during analysis and also because of the non-linear components embedded in the atmosphere system. In the thesis, we establish that the non-linear and non-stationary properties in the tropospheric data sets (i.e., tropospheric delay due to water vapour and delay gradients) could be triggered from strongly non-linear stochastic processes that have a local signature (e.g. local immediate topography, weather and associated systems) and/or exogenous. In addition, we explore and report on the presence of scaling properties (and therefore memory) in tropospheric parameters. This self-similar behaviour exhibit spatial-temporal dependence and could be associated with geophysical processes that drive atmosphere dynamics. Satellite Laser Ranging data are very sensitive to atmospheric conditions, which causes a delay of the laser pulse, hence an apparent range increase. A test for non-linearity is applied within specialised software for these data; it is found that the range residuals (i.e., the observed minus computed residuals) are improved when possible non-linearity of the locally measured meteorological parameters as applied to a range delay model are considered.
Thesis (PhD)--University of Pretoria, 2011.
Geography, Geoinformatics and Meteorology
PhD
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Books on the topic "Space geodetic techniques"

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Flechtner, Frank M. System Earth via Geodetic-Geophysical Space Techniques. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2010.

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Flechtner, Frank M., Thomas Gruber, Andreas Güntner, M. Mandea, Markus Rothacher, Tilo Schöne, and Jens Wickert, eds. System Earth via Geodetic-Geophysical Space Techniques. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10228-8.

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Kruse, Lars Peter. Spatial and temporal distribution of atmospheric water vapor using space geodetic techniques. Zürich: Schweizerische Geodätische Kommission, 2001.

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L, Cucurull, ed. Geodesy and meteorology: Using space geodetic techniques for atmospheric remote sensing. Oxford: Pergamon, 2002.

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Book chapters on the topic "Space geodetic techniques"

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Herring, Thomas A., and Michael R. Pearlman. "Future developments and synergism of space geodetic measurement techniques." In Contributions of Space Geodesy to Geodynamics: Technology, 21–25. Washington, D. C.: American Geophysical Union, 1993. http://dx.doi.org/10.1029/gd025p0021.

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Robbins, John W. "Regional Deformation and Global Tectonics from Space Geodetic Techniques." In Geophysics News 1990, 4–5. Washington, D.C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/sp029p0004.

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Schuh, H., G. Estermann, J. F. Crétaux, M. Bergé-Nguyen, and T. van Dam. "Investigation of Hydrological and Atmospheric Loading by Space Geodetic Techniques." In International Association of Geodesy Symposia, 123–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18861-9_15.

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Robbins, John W., David E. Smith, and Chopo Ma. "Horizontal crustal deformation and large scale plate motions inferred from space geodetic techniques." In Contributions of Space Geodesy to Geodynamics: Crustal Dynamics, 21–36. Washington, D. C.: American Geophysical Union, 1993. http://dx.doi.org/10.1029/gd023p0021.

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Rothacher, Markus, Hermann Drewes, Axel Nothnagel, and Bernd Richter. "Integration of Space Geodetic Techniques as the Basis for a Global Geodetic-Geophysical Observing System (GGOS-D): An Overview." In Advanced Technologies in Earth Sciences, 529–37. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10228-8_43.

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Hobiger, Thomas, and Toshimichi Otsubo. "Combination of Space Geodetic Techniques on the Observation Level with c5++: Common Nuisance Parameters and Data Weighting." In REFAG 2014, 31–37. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/1345_2015_152.

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Fernandes, Rui M. S., João Catalão, and António N. Trota. "The Contribution of Space-Geodetic Techniques to the Understanding of the Present-Day Geodynamics of the Azores Triple Junction." In Active Volcanoes of the World, 57–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-642-32226-6_4.

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Shi, Chuang, and Na Wei. "Satellite Navigation for Digital Earth." In Manual of Digital Earth, 125–60. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9915-3_4.

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Abstract Global navigation satellite systems (GNSSs) have been widely used in navigation, positioning, and timing. China’s BeiDou Navigation Satellite System (BDS) would reach full operational capability with 24 Medium Earth Orbit (MEO), 3 Geosynchronous Equatorial Orbit (GEO) and 3 Inclined Geosynchronous Satellite Orbit (IGSO) satellites by 2020 and would be an important technology for the construction of Digital Earth. This chapter overviews the system structure, signals and service performance of BDS, Global Positioning System (GPS), Navigatsionnaya Sputnikovaya Sistema (GLONASS) and Galileo Navigation Satellite System (Galileo) system. Using a single GNSS, positions with an error of ~ 10 m can be obtained. To enhance the positioning accuracy, various differential techniques have been developed, and GNSS augmentation systems have been established. The typical augmentation systems, e.g., the Wide Area Augmentation System (WAAS), the European Geostationary Navigation Overlay Service (EGNOS), the global differential GPS (GDGPS) system, are introduced in detail. The applications of GNSS technology and augmentation systems for space-time geodetic datum, high-precision positioning and location-based services (LBS) are summarized, providing a reference for GNSS engineers and users.
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Pinzón, Iván Herrera, and Markus Rothacher. "Co-location of Space Geodetic Techniques: Studies on Intra-Technique Short Baselines." In International Association of Geodesy Symposia. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/1345_2020_95.

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Smith, Victoria Anne, Graham Appleby, Marek Ziebart, and Jose Rodriguez. "Twelve Years of High Frequency Absolute Gravity Measurements at the UK’s Space Geodesy Facility: Systematic Signals and Comparison with SLR Heights." In International Association of Geodesy Symposia. Berlin, Heidelberg: Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/1345_2021_129.

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AbstractAbsolute gravity measurements taken on a near-weekly basis at a single location is a rarity. Twelve years of data at the UK’s Space Geodesy Facility (SGF) provides evidence to show that the application of results from international comparisons of absolute gravimeters should be applied to data and are critical to the interpretation of theSGF gravity time series of data from 2007 to 2019. Though residual biases in the data are seen. The SGF time series comprises near weekly data, with exceptions for manufacturer services and participation in international instrument comparisons. Each data set comprises hourly data taken over 1 day, with between 100 and 200 drops per hour. Environmental modelling indicates that the annual groundwater variation at SGFof some 2 m influences the gravity data by 3.1 μGal, based upon some measured and estimated soil parameters. The soil parameters were also used in the calculation of the effect of an additional telescope dome, built above the gravity laboratory, and have been shown to be realistic. Sited in close proximity to the long-established satellite laser ranging (SLR) system and the global navigation satellite systems (GNSS) the absolute gravimetry (AG) measurements provide a complimentary geodetic technique, which is non space-based. The SLR-derived height time series provides an independent measurement of vertical motion at the site which may be used to assess the AG results, which are impacted by ground motion as well as mass changes above and below the instruments.
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Conference papers on the topic "Space geodetic techniques"

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Sindoni, Giampiero, Claudio Paris, Cristian Vendittozzi, Erricos C. Pavlis, Ignazio Ciufolini, and Antonio Paolozzi. "The Contribution of LARES to Global Climate Change Studies With Geodetic Satellites." In ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/smasis2015-8924.

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Satellite Laser Ranging (SLR) makes an important contribution to Earth science providing the most accurate measurement of the long-wavelength components of Earth’s gravity field, including their temporal variations. Furthermore, SLR data along with those from the other three geometric space techniques, Very Long Baseline Interferometry (VLBI), Global Navigation Satellite Systems (GNSS) and DORIS, generate and maintain the International Terrestrial Reference Frame (ITRF) that is used as a reference by all Earth Observing systems and beyond. As a result we obtain accurate station positions and linear velocities, a manifestation of tectonic plate movements important in earthquake studies and in geophysics in general. The “geodetic” satellites used in SLR are passive spheres characterized by very high density, with little else than gravity perturbing their orbits. As a result they define a very stable reference frame, defining primarily and uniquely the origin of the ITRF, and in equal shares, its scale. The ITRF is indeed used as “the” standard to which we can compare regional, GNSS-derived and alternate frames. The melting of global icecaps, ocean and atmospheric circulation, sea-level change, hydrological and internal Earth-mass redistribution are nowadays monitored using satellites. The observations and products of these missions are geolocated and referenced using the ITRF. This allows scientists to splice together records from various missions sometimes several years apart, to generate useful records for monitoring geophysical processes over several decades. The exchange of angular momentum between the atmosphere and solid Earth for example is measured and can be exploited for monitoring global change. LARES, an Italian Space Agency (ASI) satellite, is the latest geodetic satellite placed in orbit. Its main contribution is in the area of geodesy and the definition of the ITRF in particular and this presentation will discuss the improvements it will make in the aforementioned areas.
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Kowalczyk, Kamil, and Janusz Bogusz. "Application of PPP Solution to Determine the Absolute Vertical Crustal Movements: Case Study for Northeastern Europe." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.207.

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To estimate the relationship between vertical movements of the Earth’s crust, geoid temporal changes and Mean Sea Level (MSL) variations, a knowledge about the absolute (determined from satellite and space techniques) height changes over time is required. In this paper, we give an idea of determining the height changes with a use of Vertical Switching Edge Detection (VSED) algorithm. On the basis of the least squares estimation, the VSED method detects the discontinuities in time series and determines the values of jumps at the same time. We used the time series from PPP (Precise Point Positioning) solution obtained in NGL (Nevada Geodetic Laboratory) using satellite data gathered at more than 50 permanent stations located in Latvia, Lithuania and northeastern Poland. The minimum time span of data was set up to 3 years. Data were pre-analyzed by removing outliers and interpolating small gaps. The obtained results give an overview of a possibility of the proposed method to be used and the ongoing vertical movements on the area we considered.
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MÜLLER, JÜRGEN. "LUNAR LASER RANGING: A SPACE GEODETIC TECHNIQUE TO TEST RELATIVITY." In Proceedings of the MG11 Meeting on General Relativity. World Scientific Publishing Company, 2008. http://dx.doi.org/10.1142/9789812834300_0463.

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Rovira-Garcia, A., J. M. Juan, J. Sanz, and G. Gonzalez-Casado. "The Geodetic Detrending technique: enabling high-accuracy navigation under scintillation." In 2020 IEEE International Conference on Wireless for Space and Extreme Environments (WiSEE). IEEE, 2020. http://dx.doi.org/10.1109/wisee44079.2020.9262461.

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Ceolin, Simone, William A. P. Smith, and Edwin Hancock. "Facial Shape Spaces from Surface Normals and Geodesic Distance." In 9th Biennial Conference of the Australian Pattern Recognition Society on Digital Image Computing Techniques and Applications (DICTA 2007). IEEE, 2007. http://dx.doi.org/10.1109/dicta.2007.4426827.

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Cabanes, Jose Luis, Federico Iborra-Bernad, and Carlos Bonafé-Cervera. "Reconstrucción virtual de ambientes urbanos a partir de fotografías históricas a través de Image Based Animations (IBA). La Plaza de la Virgen de Valencia alrededor de 1870." In 24th ISUF 2017 - City and Territory in the Globalization Age. Valencia: Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/isuf2017.2017.6055.

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Abstract:
Reconstrucción virtual de ambientes urbanos a partir de fotografías históricas a través de Image Based Animations (IBA). La Plaza de la Virgen de Valencia alrededor de 1870. Jose Luis Cabanes Ginés¹, Federico Iborra Bernad², Carlos Bonafé Cervera3 ¹Departamento de Expresión Gráfica Arquitectónica. Universidad Politécnica de Valencia. Caminio de Vera s/n 46022 Valencia. 2Departamento de Composición Arquitectónica. Universidad Politécnica de Valencia. Caminio de Vera s/n 46022 Valencia 3Departamento de Ing. Cartográf. Geodesia y Fotogramtría. Universidad Politécnica de Valencia. Caminio de Vera s/n 46022 Valencia E-mail: jlcabane@ega.upv.es, f_iborra@yahoo.es, carboce1@topo.upv.es Keywords (3-5): virtual reconstruction, historical urban environment, image based animations Conference topics and scale: City transformations / Tools of analysis in urban morphology The recreation of the historical environment of emblematic urban spaces in our cities through interactive technologies, allows to extend their knowledge among the interested users while contributing to its assessment. When the documentary bases are photographs it is possible to carefully model the recorded elements using photogrammetry techniques based on 3D primitives, so that by means of an immersive navigation limited to certain points of view, an appearance of acceptable tridimensionality is obtained, where only isolated images of dispersed frames are available. The virtual recreation can be completed increasing its realistic appearance through its edition with animations of objects (for example, carriages) and characters, texts, musical setting, etc. The results can be presented in formats such as video or navigation through virtual reality helmets. From a selection of the first historical photographs of the Plaza de la Virgen, that we have obtained searching in several documentary sources, our multidisciplinary team is interested in a reliable, realistic and pleasant presentation of the urban environment of one of the most representative places in the city of Valencia, whose spatial configuration has changed significantly over the years. References (100 words) Braun, C., Kolbe, T. H., Lang, F., Schickler, W., Steinhage, V., Cremers, A. B., Förstner, W., Plümer, L., 1995. Models for photogrammetric building reconstruction. Computers & Graphics, Volume 19, Issue 1, pp. 109-118. Debevec, P., Taylor, C. J. and Malik, J., 1996. Modeling and rendering architecture from photographs: A hybrid geometry and image-based approach. SIGGRAPH’96, pp. 11–20. De Mesa, A., Regot, J., Nuñez, M. A. and Buill, F., (2009). Métodos y procesos para el levantamiento de reconstrucción tridimensional gráfica de elementos del patrimonio cultural. La iglesia de Sant Sever de Barcelona. Revista EGA, nº 14, pp. 82-89. Drap, P., Grussenmeyer, P. and Gaillard, G., 2001. Simple Photogrammetric Methods with ARPENTEUR: 3-D Plotting and Orthoimage generation. XVIII International Symposium CIPA 2001, Potsdam (Germany). International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, nº 34 (Part 5/C7), pp. 47-54. El-Hakim, S., Beraldin, J. and Lapointe, A., 2002. Towards Automatic Modeling of Monuments and Towers. IEEE Proceedings of the International Symposium on 3D Data Processing Visualization and Transmission, 3DPVT 2002, Padua, Italy, pp. 526-531. Proyecto Barcelona Darrera Mirada, http://darreramirada.ajuntament.barcelona.cat/#historia/8/1 The Old New York, http://vimeo.com/160024074, https://vimeo.com/162572088
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