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Titre : Multi-dimensional B-spline modeling of spatio-temporal Ionospheric signals Type de document : Monographie Auteurs : C. Zeilhofer, Auteur Editeur : Munich : Bayerische Akademie der Wissenschaften Année de publication : 2008 Collection : DGK - A Sous-collection : Theoretische Geodäsie num. 123 Importance : 86 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-3-7696-8203-8 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement du signal
[Termes IGN] B-Spline
[Termes IGN] décomposition
[Termes IGN] géodésie spatiale
[Termes IGN] ionosphère
[Termes IGN] modélisation 3D
[Termes IGN] signal GPS
[Termes IGN] traitement du signalIndex. décimale : 24.20 Traitement du signal Résumé : (Auteur) Nowadays, ionospheric phenomena can be monitored globally from data of various satellite missions with an unprecedented accuracy. In many applications, like modeling the equatorial anomaly, regional processes are of special interest. To study regional phenomena multi-dimensional mathematical tools may be applied. In this report a regional multi-dimensional representation based on quadratic B-splines is derived and applied to spatio-temporal data sets.
At first the theory of a multiscale analysis is introduced, i.e. the decomposition of signals into a smoother version arid a number of detail signals for the 1-dimensional case. To develop a multiscale analysis we introduce B-splines as scaling functions. The corresponding base functions, i.e. the B-spline wavelets can be computed via the so-called two-scale relations from the scaling functions. Series coefficients of the B-spline expansion can be computed by evaluating inner products using the dual base functions or by applying parameter estimation procedures. To generalize a 1-dimensional B-spline representation to the multi-dimensional case tensor product techniques are used. A data compression algorithm is derived from the multiscale analysis, i.e. we gain a tool to handle huge digital data sets.
In our applications we decompose ionospheric functions, e.g. the electron density or the vertical total electron content, into a reference part and an unknown correction term. We apply our approach regionally to the correction term, i.e. we expand it in a multi-dimensional series expansion in terms of B-splines. Since our observations are located rather unbalanced with respect to space and time finer structures are modelable only in regions with a sufficient number of observation sites. The multiscale analysis derived from the wavelet analysis allows monitoring the ionospheric signals at different resolution levels.Numéro de notice : 15413 Affiliation des auteurs : non IGN Thématique : IMAGERIE/POSITIONNEMENT Nature : Monographie Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=62713 Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15413-01 24.20 Livre Centre de documentation Physique Disponible 15413-02 24.20 Livre Centre de documentation Physique Disponible Mutual validation of satellite-geodetic techniques and its impact on GNSS orbit modeling / Claudia Flohrer (2008)
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Titre : Mutual validation of satellite-geodetic techniques and its impact on GNSS orbit modeling Type de document : Thèse/HDR Auteurs : Claudia Flohrer, Auteur Editeur : Zurich : Schweizerischen Geodatischen Kommission / Commission Géodésique Suisse Année de publication : 2008 Collection : Geodätisch-Geophysikalische Arbeiten in der Schweiz, ISSN 0257-1722 num. 75 Importance : 198 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-3-908440-19-2 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] données TLS (télémétrie)
[Termes IGN] erreur systématique
[Termes IGN] orbitographie par GNSS
[Termes IGN] positionnement par GLONASS
[Termes IGN] positionnement par GNSS
[Termes IGN] précision du positionnement
[Termes IGN] série temporelleIndex. décimale : 30.61 Systèmes de Positionnement par Satellites du GNSS Résumé : (Auteur) Dans cette présente publication, en se basant sur des séries temporelles de différent types d'observations satellitaires ainsi que sur le calcul des orbites correspondants, Claudia Flohrer-Urschl s'est principalement intéressée à la problématique de la validation de la précision des orbites des satellites et des possibles erreurs systématiques qui entachent les observations. Claudia Flohrer a notamment utilisé (a) des observations micro-ondes des systèmes globaux de navigation par satellites (GNSS), en particulier à celles des systèmes américains (GPS) et russes (GLONASS), (b) des mesures temps de vol (SLR) sur les satellites GNSS qui sont équipés de réflecteurs laser ainsi que sur les satellites laser spécialisés, et finalement, (c) des observations astrométriques de tous ces satellites. Par conséquent, Claudia Flohrer a dû travailler avec toutes les observables de l'astronomie fondamentale moderne (à l'exception de celles du système Very Long Baseline Interferometry, l'observation de quasars à l'aide de radiotélescopes), plus spécialement avec les subtilités des trois techniques d'observations, et des propriétés et particularités des résultats qui en découlent. Les résultats majeurs de ses recherches sont : Validation des orbites des satellites GPS et GLONASS, déterminés par le centre de calcul CODE, à l'aide d'observations SLR du réseau global des stations SLR (y compris celles de Zimmerwald). Claudia Flohrer a pu prouver pour la première fois qu'il n'y a pas seulement un écart systématique de 3-5 cm entre les observations SLR et les distances dérivées des orbites micro-ondes GNSS, comme décrit par Tim Springer (CGS, volume 60, 2000), mais également des erreurs systématiques périodiques orbitales d'une amplitude de 5 à 10 cm. Cela a permis une meilleure compréhension de la structure de tels systématismes et plus important encore, cela a offert la possibilité de pouvoir assigner, sans ambiguïté, la source de ces erreurs aux orbites GNSS. C'est seulement une fois ce fait identifié, qu'il a été pertinent de remettre en question la modélisation des forces des modèles d'orbites GNSS utilisés par le CODE (et les autres centres de calculs) et de les soumettre à des analyses en profondeur. Examen des modèles du CODE. Claudia Flohrer a réalisé une impressionnante série d'expériences avec différents modèles en utilisant de longue séries temporelles d'observations GNSS sur une durée d'environ quatre ans. Aucun modèle ne peut expliquer de manière satisfaisante les erreurs systématiques mentionnées plus haut. Nous avons toutefois beaucoup appris de ses expériences et pouvons nous baser sur ses résultats pour de futures investigations. Validation des techniques d'observations CCD sur GNSS et satellites lasers. De longues séries temporelles d'observations directionnelles de satellites (objets en mouvement rapide) ont pu être validées à l'aide d'orbites estimées avec GPS et laser. Toutes les observations CCD utilisées (CCD = Charge-Coupled Devices = senseurs semi-conducteurs des caméras digitales) proviennent de l'observatoire de Zimmerwald. Trois résultats peuvent être mentionnés : (a) la précision des observations de 0.2 secondes d'arc obtenue par une autre méthode a pu être confirmée de façon indépendante ; (b) les erreurs systématiques occasionnelles des déterminations de l'époque des observations ont pu être confirmées et identifiées (et en grande partie corrigées) ; (c) une erreur systématique dépendante de la déclinaison a pu être assignée, sans aucun doute possible, à l'un des catalogues d'étoiles utilisé pour la détermination des positions des étoiles et des objets. De plus, une routine de calibration des images CCD est proposée sur la base de (b). Etudes sur la combinaison de différentes techniques d'observations (en particulier GNSS et SLR): Claudia Flohrer a pu montrer que si un nombre suffisant d'observations SLR sont disponibles, le système SLR est en mesure d'apporter une importante contribution à la détermination des orbites des satellites GNSS. Note de contenu : 1. Introduction and Motivation
2. Modeling the Observables in Satellite Geodesy
2.1 The Dynamic Orbit Model for Artificial Satellites
2.1.1 Orbital Elements
2.1.2 Equations of Motion of an Artificial Earth Satellite
2.1.3 Perturbing Forces Acting on a Satellite
2.1.4 Variational Equations
2.2 Station Coordinates
2.3 Reference Systems
2.3.1 The Terrestrial Reference System
2.3.2 The Celestial Reference Systems
2.3.3 Earth Orientation Parameters
2.4 Parameter Estimation
2.4.1 Method of Least Squares
2.4.2 Observation Equations
3. Observing GNSS Satellites
3.1 Characteristics of the Global Navigation Satellite Systems (GNSS)
3.1.1 GNSS Overview
3.1.2 GNSS Satellite Attitude
3.1.3 GNSS Solar Radiation Pressure Modeling
3.2 GNSS Orbit Determination Based on Microwave Observations
3.2.1 The IGS Orbit Products
3.2.2 GNSS Orbit Determination at CODE
3.2.3 GNSS Orbit Accuracy
3.3 Astrometric CCD Observations of GNSS Satellites
3.4 SLR Observations of GNSS Satellites
4. Mutual Validation of the Different Satellite-Geodetic Techniques
4.1 Validating the Astrometric Observation Technique
4.1.1 Validation Procedure for Astrometric Observations
4.1.2 Validation Results for Astrometric Observations Using Microwave-based GNSS Orbits
4.1.3 Validation Results for Astrometric Observations Using SLR-based Orbits
4.2 Validating Microwave-based GNSS Orbits Using SLR Observations
4.2.1 SLR Validation Procedure
4.2.2 SLR Validation Results
5. Improvement of the GNSS Orbit Model
5.1 Different Solar Radiation Pressure Models
5.2 Assessing the Quality of the Orbit Model
5.2.1 by Analyzing SLR Residuals
5.2.2 by Analyzing Orbit Differences
5.2.3 by Analyzing Orbit Predictions
5.2.4 by Analyzing Orbit Overlap Errors of One-day and Three-day Arcs
5.2.5 by Analyzing the Geocenter Coordinates
5.3 Estimating Different Sets of Dynamic Orbit Parameters
5.4 Conclusions
6. Improving GNSS Orbits with SLR
6.1 GNSS Orbit Determination Based on Combined Microwave and SLR Data Analysis
6.1.1 Combination Strategy
6.1.2 Combined Analysis of Microwave and SLR Observations
6.1.3 Variance-Covariance Studies for the Combined Analysis of Microwave and SLR Observations of GPS and GLONASS Satellites
6.1.4 Variance-Covariance Studies for the Combined Analysis of Microwave and SLR Observations of the GIOVE-A Satellite
6.2 GIOVE-A Orbit Determination Based on SLR Observations
7. Conclusions and RecommendationsNuméro de notice : 13748 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Thèse étrangère En ligne : https://www.sgc.ethz.ch/sgc-volumes/sgk-75.pdf Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=62563 Réservation
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Titre : On generalized signal waveforms for satellite navigation Type de document : Thèse/HDR Auteurs : José Avila-Rodriguez, Auteur Editeur : Munich : Universität der Bundeswehr Année de publication : 2008 Importance : 438 p. Format : 21 x 30 cm Note générale : bibliographie
Vollständiger Abdruck der bei der Fakultät für Luft- und Raumfahrttechnik der Universität der Bundeswehr München zur Erlangung des akademischen Grades eines Doktor-Ingenieurs (Dr.-Ing.) eingereichten Dissertation / A thesis submitted to the faculty of aerospace engineering in fulfillment of the requirements for the degree of doctor of engineeringLangues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement du signal
[Termes IGN] bande spectrale
[Termes IGN] forme d'onde
[Termes IGN] modulation de fréquence
[Termes IGN] modulation du signal
[Termes IGN] onde porteuse
[Termes IGN] signal GNSSRésumé : (auteur) This thesis provides a comprehensive overview of all current and planned satellite navigation systems, either global or regional, putting special emphasis on their signal structure. Particular attention is paid to the European Global Navigation Satellite System Galileo, under development at the moment. The results of this work can be considered as a significant contribution to the design and development of the Galileo’s Open Service (OS) in the E1 frequency band. The present work provides as main contribution a generally valid theoretical framework with which all current and future navigation signals can be described. Generalized signal waveforms and their corresponding time and spectral characteristics are derived and investigated. Complete families of signals are presented and analyzed regarding their spectral and performance characteristics, underlining their potential for future generations of satellite navigation systems. This thesis proves that the generalized signal waveforms proposed in this work cover any current and other optimized signals that could be proposed in the future. In this sense, it is shown that all current navigation signals can be mathematically described as Multilevel Coded spreading Symbols or, in particular, as Binary Coded Symbols. Using the analytical expressions of the generalized signal model, the corresponding generalized signal waveforms are further studied regarding their Spectral Separation Coefficients (SSCs). This parameter is of great interest in satellite navigation to understand the compatibility between different signals. Generalized formulas for smooth spectra are also derived to calculate the SSCs between any two arbitrary signals. Particular cases of interest are computed following the obtained analytical expressions and by means of simulations with real Pseudo Random Noise (PRN) codes. Results from this comparison show a perfect matching between the predicted analytical results and the numerical computations. Realistic scenarios are carried out to assess the impact of non-ideal PRN codes and navigation data onto the spectral properties that have been derived analytically. Finally, current and new multiplexing schemes are studied in detail together with the feasibility to introduce optimized signal waveforms. Special attention is paid to understand the required changes that are necessary to multiplex non-binary signals. Pros and Cons of the different solutions are discussed and investigated with regard to the application of future signal waveforms. Among these last ones, the Composite Binary Offset Carrier (CBOC) implementation of the Multiplexed Binary Offset Carrier (MBOC) modulation for the Galileo’s Open Service signal in the E1 frequency band deserves an important chapter. In addition, some chapters are dedicated to analyze receiver structures optimized to work with MBOC for both GPS and Galileo. Note de contenu : 1. Introduction
1.1 Objectives of this Thesis
1.2 Contributions of this Thesis
1.3 Thesis Outline
2. Global Navigation Satellite Systems (GNSS)
2.1 GNSS – Thinking global
2.2 Scenes from the Present
2.3 The Global Positioning System (GPS
2.4 Galileo
2.5 GLONASS
2.6 Compass
2.7 Summary on Global Navigation Satellite Systems
2.8 Regional Satellite Navigation Systems
2.9 GNSS Augmentation Systems
2.10 Pseudolites
3. Galileo Baseline Evolution
3.1 Introduction
3.2 Square-Root Raised Cosine (SRRC) Signal waveforms for Galileo ?
3.3 Galileo Baseline of 2002
3.4 The Long Way to the Agreement
3.5 Agreement of 2004: BOC(1,1)+BOCcos(15, 2.5)
3.6 The Way to Today’s Baseline
3.7 MBOC(6,1)
4. GNSS Signal Structure
4.1 GNSS Modulation Schemes
4.2 Multilevel Coded Spreading Symbols (MCS)
4.3 Binary Coded Symbols (BCS)
4.4 Sinusoidal Multilevel Coded Symbol (SMCS) Signals
4.5 Generalized Multilevel Coded Symbols (GMCS)
4.6 CBCS Modulation definition and analysis of performance
4.7 MBOC modulation definition and analysis
4.8 Other Modulation Schemes
5. Spectral Separation Coefficient (SSC)
5.1 Definition
5.2 Derivation of analytical expressions
6. Spectral Separation Coefficients with data and non ideal codes
6.1 Analytical expressions when data is present
6.2 Computation of non-ideal Spectral Separation Coefficients
7. Signal Multiplex Techniques for GNSS
7.1 Introduction
7.2 Multiplexing Schemes
7.3 Linear Modulation (Spatial Combining)
7.4 Majority Signal Voting
7.5 Hard Limiting
7.6 Quadrature Product Sub-carrier Modulation
7.7 Coherent Adaptive Sub-Carrier Modulation (CASM) and Interplex
7.8 Intervoting (Interplex + Majority Voting
7.9 FDMA vs. CDMA
8. Conclusions and Recommendations
8.1 Conclusions
8.2 Recommendations for Future WorkNuméro de notice : 14903 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Thèse étrangère Note de thèse : PhD : aerospace engineering : Universität der Bundeswehr München : 2008 DOI : sans En ligne : http://athene-forschung.unibw.de/node?id=86167 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=76793
Titre : Principles of GNSS, inertial, and multisensor integrated navigation systems Type de document : Monographie Auteurs : Paul D. Groves, Auteur Editeur : Londres, Washington : Artech House Année de publication : 2008 Collection : GNSS Technology and applications series Importance : 518 p. Format : 18 x 26 cm ISBN/ISSN/EAN : 978-1-58053-255-6 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] alignement
[Termes IGN] appariement de données localisées
[Termes IGN] centrale inertielle
[Termes IGN] détection d'erreur
[Termes IGN] données multicapteurs
[Termes IGN] erreur de positionnement
[Termes IGN] filtre de Kalman
[Termes IGN] Galileo
[Termes IGN] Global Navigation Satellite System
[Termes IGN] Global Orbitography Navigation Satellite System
[Termes IGN] Global Positioning System
[Termes IGN] GNSS assisté pour la navigation
[Termes IGN] GPS-INS
[Termes IGN] mesurage de phase
[Termes IGN] navigation
[Termes IGN] navigation à l'estime
[Termes IGN] navigation inertielle
[Termes IGN] navigation terrestre
[Termes IGN] positionnement différentiel
[Termes IGN] positionnement intégré
[Termes IGN] positionnement par GNSS
[Termes IGN] repère de référence
[Termes IGN] système d'extension
[Termes IGN] système de positionnement par satellites
[Termes IGN] traitement de données GNSSIndex. décimale : 30.61 Systèmes de Positionnement par Satellites du GNSS Résumé : (Editeur) Navigation systems engineering is a red-hot area. More and more technical professionals are entering the field and looking for practical, up-to-date engineering know-how. This single-source reference answers the call, providing both an introduction to overall systems operation and an in-depth treatment of architecture, design, and component integration. The book explains how satellite, on-board, and other navigation technologies operate, and it gives practitioners insight into performance issues such as processing chains and error sources. Providing solutions to systems designers and engineers, the book describes and compares different integration architectures, and explains how to diagnose errors. Moreover, this hands-on book includes appendices filled with terminology and equations for quick referencing. Note de contenu : Introduction
Navigation Mathematics:
- Co-Ordinate Frames, Kinematics and The Earth.
- The Kalman Filter.
Navigation Systems:
- Inertial Sensors.
- Inertial Navigation.
- Satellite Navigation Systems.
- Satellite Navigation Processing, Errors and Geometry.
- Advanced Satellite Navigation.
- Terrestrial Radio Navigation.
- Dead Reckoning, Attitude and Height Measurement.
- Feature Matching.
Integrated Navigation:
- INS/GNSS Integration.
- INS Alignment and Zero Velocity Updates.
- Multi-Sensor Integrated Navigation.
- Fault Detection and Integrity Monitoring.Numéro de notice : 20105 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Monographie Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=62914 Réservation
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Titre : Proceedings of the 15th international workshop on laser ranging, Canberra, Australia, 15 - 20 October 2006 : Extending the range Type de document : Actes de congrès Auteurs : J. Luck, Éditeur scientifique ; C. Moore, Éditeur scientifique ; P. Wilson, Éditeur scientifique Editeur : Griffith (Australie) : EOS Space systems Année de publication : 2008 Conférence : IWLR 2006, 15th international workshop on laser ranging, Extending the range 15/10/2006 20/10/2006 Canberra Australie OA proceedings Importance : 298 p. Format : 21 x 30 cm Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] Lageos
[Termes IGN] orbitographie
[Termes IGN] orbitographie par GNSS
[Termes IGN] réfraction atmosphérique
[Termes IGN] série temporelle
[Termes IGN] télémétrie laser sur satellite
[Termes IGN] téléscope
[Termes IGN] trajectographie par DORIS
[Termes IGN] transpondeurNote de contenu : Science Products Session
Summary / S Klosko
Enhanced Modelling of the Non-Gravitational Forces Acting on LAGEOS / J Andres, R Noomen
Calibrating GNSS Orbts with SLR Tracking Data / C Urschl, G Beutler, W Gurtner, U Hugentobler, S Schaer
GIOVE-A and GPS-35/36 Orbit Determination and Analysis of Dynamical Properties Based on SLR-only Tracking Data / S Melachroinos, F Perosanz, F Deleflie, R Biancalel, O Laurain, P Exertier
Orbit Determination and Analysis for Giove-A using SLR Tracking Data / R Govind
Orbit Determination for GIOVE-A using SLR Tracking Data / C Urschl, G Beutler, W Gurtner, U Hugentobler, M Ploner
Satellite Laser Ranging in the National (Australian) Collaborative Research Infrastructure Proposal for Geospatial R&D / K Lambeck
Time-Variable Gravity from SLR and DORIS Tracking / F Lemoine, S Klosko, C Cox, T Johnson
Global Glacial Isostatic Adjustment: Target Fields for Space Geodesy / W Peltier
Recent Results from SLR Experiments in Fundamental Physics: Frame Dragging Observed with Satellite Laser Ranging / E Pavlis, I Ciufolini, R Konig
A "Web Service" to Compare Geodetic Time Series / F Deleflie
Least-Square Mean Effect: Application to the Analysis of SLR Time Series / D Coulot, P Berio, A Pollet
Some Aspects Concerning the SLR Part of ITRF2005 / H Mueller, D Angermann
Determination of the Temporal Variations of the Earth's Centre of Mass from Multi-Year Satellite Laser Ranging Data / R Govind
Contribution of Satellite and Lunar Laser Ranging to Earth Orientation Monitoring / D Gambis, R Biancale
Station Positioning and the ITRF / Z Altamimi
Station Coordinates, Earth Rotation Parameters and Low Degree Harmonics from SLR within GGOS-D / R Koenig, H Mueller
An Original Approach to Compute Satellite Laser Ranging Biases / D Coulot, P Berio, O Laurain, D Feraudy, P Exertier
Analysis of 13 Years (1993-2005) of Satellite Laser Ranging Data on the Two LAGEOS Satellites for Terrestrial Reference Frames and Earth Orientation Parameters / D Coulot, P Berio, O Laurain, D Feraudy, P Exertier, F Deleflie
Network Performance and Results Session
Summary / C Luceri, M Torrence
The SLR Network from a QC Perspective / R Noomen
The ILRS Standard Products: a Quality Assessment / G Bianco, V Luceri, C Sciarretta
Systematic Range Bias 2005-06 / T Otsubo, N Obara
A Reassessment of Laser Ranging Accuracy at SGF Herstmonceux, UK / P Gibbs, G Appleby, C Potter
The Global SLR Network and the Origin and Scale of the TRF in the GGOS Era / E Pavlis
FTLRS Ajaccio Campaigns: Operations and Positioning Analysis over 2002/2005 / F Pierron, B Gourine, P Exertier, P Berio, P Bonnefond, D Coulot et al
SLR-based Evaluation and Validation Studies of Candidate ITRF2005 Products / E Pavlis, M Kuzmicz-Cieslak, D Pavlis
An Optimised Global SLR Network for Terrestrial Reference Frame Definition / R Govind
Performance of Southern Hemisphere Stations / J Luck
The Evolution of SLR/LLR in Response to Mission Needs / P Shelus
Assessment of SLR Network Performance / M Torrence, P Dunn
Performance of WPLTN Stations / J Luck
Archiving and Infrastructure Support at the ILRS Data Centers / C Noll, M Torrence, W Seemueller
Minico Calibration of System Delay Calibration at Mount Stromlo SLR / J Luck
A Summary of Observations of Giove A, taken from Mt Stromlo SLR Station / C Moore
Lasers and Detectors Session
Summary / J Degnan, I Prochaska
Photon Counting Module for Laser Time Transfer Space Mission / K Hamal, I Prochazka, L Kral, Y Fumin
Picosecond Lasers with Raman Frequency and Pulsewidth Conversion for Range Finding / N Andreev, E Grishin, O Kulagin, A Sergeev, M Valley
Advanced Solid State Laser System for Space Tracking / Y Gao, Y Wang, B Greene, C Smith, A Chan, A Gray, J Vear, M Blundell
Altimetry Session
Summary / F Lemoine
Second-Generation, Scanning, 3D Imaging Lidars Based on Photon-Counting / J Degnan, D Wells, R Machan, E Leventhal, D Lawrence, Y Zheng, S Mitchell, C Field, W Hasselbrack
The BELA - The First European Planetary Laser Altimeter: Conceptional Design and Technical Status / H Michaelis, T Spohn, J Oberst, N Thomas, K Seiferlin, U Christensen, M Hilchenbach, U Schreiber
Timing System for the Laser Altimeter for Planetary Exploration Technology Demonstrator / P Jirousek, I Prochazka, K Hamal, M Fedyszynova, U Schreiber, H Michaelis, Y Fumin, H Peicheng
A Compact Low Power Altimetry Laser for Lunar Applications / T Varghese, R Burnham
Lasercomm at Sea - Trident Warrior 06 / R Burris
Kilohertz Session
Summary / G Kirchner, G Appleby
Portable Pico Event Timer and SLR Control (P-PET-C) System / K Hamal, I Prochazka, Y Fumin
Some Early Results of Kilohertz Laser Ranging at Herstmonceux / P Gibbs, C Potter, R Sherwood, M Wilkinson, D Benham, V Smith, G Appleby
Performance of Liquid Crystal Optical Gate for Suppressing Laser Backscatter in Monostatic Kilohertz SLR Systems / J Degnan, D Caplan
SLR2000: The Path toward Completion / J McGarry, T Zagwodzki
Determination of AJISAI Spin Parameters using Graz kHz SLR Data / G Kirchner, W Hausleitner, E Cristea
New Methods to Determine Gravity Probe-B Spin Parameters using Graz kHz SLR Data / G Kirchner, D Kucharski, E Cristea
LAGEOS-1 Spin Determination, using Comparisons between Graz kHz SLR Data and Simulations / D Kucharski, G Kirchner
Measuring Atmospheric Seeing with KHz SLR / G Kirchner, D Kucharski, F Koidl, J Weingrill
Timing Systems Session
Summary / Y Fumin
A032-ET Experimental Test on Changchun SLR / C Fan, X Dong, Y Zhao, X Han
Event Timing System for Riga SLR Station / Y Artyukh, V Bespal'ko, K Lapushka, A Rybakov
Instrumentation for Creating KHz SLR Timing Systems / Y Artyukh, E Boole, V Vedin
OCA Event Timer / E Samain, J-M Torre, D Albanese, Ph Guillemot, F Para, J Paris, I Petitbon, P Vrancken, J Weick
The Model A032-ET of Riga Event Timers / V Bespal'ko, E Boole, V Vedin
Upgrading of Integration of Time to Digit Converter on a Single FPGA / Y Zhang, P Huang, R Zhu
High-Speed Enhancement to HTSI Event Timer Systems / D McClure, C Steggerda, S Wetzel
Low-Noise Frequency Synthesis for High Accuracy Picosecond Satellite Laser Ranging Timing Systems / J Kolbl, P Sperber, G Kirchner, F Koidl
Multiple Wavelength and Refraction Session
Summary / E Pavlis
Analysis of Multi-Wavelength SLR Tracking Data Using Precise Orbits / H Mueller
Improvement of Current Refraction Modeling in Satellite Laser Ranging (SLR) by Ray Tracing through Meterological Data / G Hulley, E Pavlis
Two-Color Calibration of the Zimmerwald SLR System / W Gurtner, E Pop, J Utzinger
Multi Color Satellite Laser Ranging / K Hamal, I Prochazka, J Blazej, Y Fumin, H Jingfu, Z Zhongping, H Kunimori, B Greene, G Kirchner, F Koidl, S Riepfel, W Gurtner
Telescopes, Stations and Upgrades Session
Summary / C Smith
Grasse Laser Stations in Evolutions to Future and Technological Developments / F Pierron, E Samain, J-M Torre, M Pierron, M Furia et al
New Russian Systems for SLR, Angular Measurements and Photometry / V Burmistrov, N Parkhomenko, V Shargorodsky, V Vasiliev
TLRS-3 Return to Operations / H Donovan, D McCollums, D Patterson, J Horvath, M Heinick, S Wetzel, D Carter
Korean Plan for SLR System Development / H-C Lim, J-U Park, S-K Jeong, B-S Kim
Study on Servo-Control System of Astronomical Telescopes / Z Li, X Zheng, Y Xiong
Russian Laser Tracking Network / V Burmistrov, A Fedotov, N Parkhomenko, V Pasinkov, V Shargorodsky, V Vasiliev
TLRS-4 Deployment to Maui, Hawaii / S Wetzell, H Donovan, M Blount, D McCollums, C Foreman, M Heinick
New SLR Station Running in San Juan of Argentina / T Wang, F Qu, Y Han, W Liu, E Actis, R Podesta
System Improvement and GIOVE-A Observation of Changchun SLR / Y Zhao, C Fan, X Han, D Yang, N Chen, F Xue, L Geng, C Liu, J Shi, Z Zhang, B Shao, H Zhang, X Dong
Advanced Concepts and Time Transfer Session
Summary / H Kunimori
Progress on Laser Time Transfer Project / Y Fumin, H Peicheng, C Wanzhen, Z Zhongping, W Yuanming, C Juping, G Fang, Z Guangnan, L Ying, I Prochazka, K Hamal
T2L2 - Time Transfer by Laser Link / E Samain, Ph Guillemot, D Albanese, Ph Berio, F Deleflie, P Exertier, F Para, J Paris, I Petitbon, J-M Torre, P Vrancken, J Weick
New Application of KHz Laser Ranging: Time Transfer via Ajisai / T Otsubo, H Kunimori, T Gotoh
A Satellite Tracking Demonstration on Ground Using 100mm Aperture Optical Antenna for Space Laser Communication / H Kunimori, M Okawa, H Watanabe,Y Yasuda
The NASA Satellite Laser Ranging Network: Current Status and Future Plans / D Carter
Possibility of Laser Ranging Support for the Next-Generation Space VLBI Mission, ASTRO-G / T Otsubo, T Kubo-oka, H Saito, H Hirabayashi, T Kato, M Yoshikawa, Y Murata, Y Asaki, S Nakamura
Electron Multiplying CCD Camera Performance Tests / D Lewova, M Nemec, I Prochazka, K Hamal, G Kirchner, F Koidl, D Kucharski, Y Fumin
LIDAR Experiments at the Space Geodesy Facility, Herstmonceux, UK / G Appleby, C Potter, P Gibbs, R Jones
Possibility of the Near Earth Objects Distance Measurement with Laser Ranging Device / M Abele, L Osipova
Transponder Session
Summary / U Schreiber
Laser Ranging at Interplanetary Distances / G Neumann, J Cavanaugh, B Coyle, J McGarry, D Smith, X Sun, M Torrence, T Zagwodski, M Zuber
Simulating Interplanetary Transponder and Laser Communications Experiments via Dual Station Ranging to SLR Satellites / J Degnan
Laser Ranging at Planetary Distances from SLR2000 / J McGarry, T Zagwodzki, P Dabney, P Dunn, J Cheek
Laser Ranging to the Lunar Reconnaissance Orbiter (LRO) / D Smith, M Zuber, M Torrence, J McGarry, M Pearlman
Un-cooperative Targets Session
Summary / C Smith
The Experimental Laser Ranging System for Space Debris at Shanghai / Y Fumin, C Wanzhen, Z Zhongping, C Juping, W Yuanming, K Hamal, I Prochazka
Simultaneous Optical and Laser Space Objects Tracking / M Nemec, I Prochazka, K Hamal, G Kirchner, F Koidl, W Voller
Software and Automation Session
Summary / W Gurtner, J McGarry
A Comparison of Performance Statistics for Manual and Automated Operations at Mt. Stromlo / C Moore
EOS Software Systems for Satellite Laser Ranging and General Astronomical Observatory Applications / M Pearson
Electro-Control System of San Juan SLR Station / P Wang, T Guo, X Li, Y Han, W Liu, T Wang, F Qu, Y Tan, T Zou
Integrated Upgrades of Control System for TROS / L Xin, G Tangyong, A Tong, W Peiyuan, T Yechun, X Jiening, Z Yunyao D Ruilin
CCD and SLR Dual-use of the Zimmerwald Tracking System / W Gurtner, M Ploner
Automated Transmitter Beam Size and Divergence Control in the SLR2000 System / J Degnan, G Jodor, H Bourges
Obtaining the High-resolution Epoch with the FPGA Technology / Q Li, F Qu, Z Wei
New FTLRS Software Tools for Tuning Observations Schedule and Remote Control / M Pierron et al
Recursive Filter Algorithm for Noise Reduction in SLR / M Heiner, U Schreiber, N Brandl
The Impact and Resolution of "Collision Bands" on Tracking Targets at Various Ranges / C Moore
Web Application for the Engineering Data Files Processing / K Salminsh
Consolidated Laser Prediction and Data Formats: Supporting New Technology / R Ricklefs
Lunar Laser Ranging Session
Summary / T Murphy
APOLLO Springs to Life: One-millimeter Lunar Laser Ranging / T Murphy, E Adelberger, J Battat, C Hoyle, E Michelsen, C Stubbs, H Swanson
Targets and Return Signal Strength Session
Summary / T Murphy
Retroreflector Studies / D Arnold
The INFN-LNF Space Climatic Facility for LARES and ETRUSCO / D Arnold, G Bellettini, A Cantone, I Ciufolini, D Currie, S Dell'Agnello, G Delle-Monache, M Franceschi, M Garattini, N Intaglietta, A Lucantoni, T Napolitano, A Paolozzi, E Pavlis, R Tauraso, R Vittori
Absolute Calibration of LLR Signal: Reflector Health Status / T Murphy, E Adelberger, J Battat, C Hoyle, E Michelsen, C Stubbs, H Swanson
Experimental Return Strengths from Optus-B and GPS / J Luck, C Moore
Spherical Glass Target Microsatellite / V Shargorodsky, V Vasiliev, M Belov, I Gashkin, N Parkhomenko
Overflow Session
Summary / M Pearlman
Current Status of "Simeiz-1873" Station / A Dmytrotsa, O Minin, D Neyachenko
Overview and Performance of the Ukrainian SLR station "Lviv-1831" / K Martynyuk-Lototsky, J Blahodyr, A Bilinskiy, O Lohvynenko
Results of the TLRS-4/Moblas-7 Intercomparison Test / J Horvath, M Blount, C Clarke, H Donovan, C Foreman, M Heinick, A Mann, D Patterson, D McCollums, T Oldham, S Wetzel, D Carter
The Accuracy Verification for GPS Receiver of ALOS by SLR / N Kudo, S Nakamura, R Nakamura
Fulfillment of SLR Daylight Tracking of Changchun Station / Y Zhao, X Han, C Fan, T Dai
GLONASS Status Update and MCC Activity in GLONASS Program / V Glotov, S Revnivykh, V MitrikasNuméro de notice : 14468 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Actes DOI : sans En ligne : http://cddis.gsfc.nasa.gov/lw15/index.html Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=34658 Contient
- Least-square mean effect: Application to the analysis of SLR time series / David Coulot (2008)
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- An original approach to compute Satellite Laser Range biases / David Coulot (2008)
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- Station Positioning and the ITRF / Zuheir Altamimi (2008)
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- Analysis of 13 years (1993-2005) of Satellite Laser Ranging data on the two LAGEOS satellites for Terrestrial Reference Frames and Earth Orientation Parameters / David Coulot (2008)
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- FTLRS Ajaccio campaigns : operations and positioning analysis over 2002/2005 / F. Pierron (2008)
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Rapport du directeur sur l'activité et la gestion du Bureau International des Poids et Mesures (BIPM), 1er juillet 2007 - 30 juin 2008 / Bureau international des poids et mesures (2008)
PermalinkPermalinkSituations des réseaux permanents d'observation des systèmes de positionnement par satellite dans les pays voisins de la France / Jonathan Chenal (2008)
PermalinkPermalinkPermalinkPermalinkVers un futur repère de référence céleste : Journées 2007, systèmes de référence spatio-temporels, Paris, 17-19 septembre 2007 / Nicole Capitaine (2008)
Permalink350 first order points selected: creation of a geodetic reference frame in WGS-84 datum for Cartosat in India / K.S. Rao in Geoinformatics, vol 10 n° 8 (01/12/2007)
Permalink3D modelling of the tropospheric refractivity using a permanent GPS network / D. Marcias-Valadez in Geomatica, vol 61 n° 4 (December 2007)
PermalinkAnimating three-D [3D] concepts in geodesy / Charles D. Ghilani in SaLIS Surveying and land information science, vol 67 n° 4 (December 2007)
PermalinkCode single point positioning using nominal GNSS constellations (future perception) / Ashraf Farah in Artificial satellites. Planetary geodesy, vol 42 n° 3 (September 2007)
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PermalinkComparison of very long baseline interferometry, GPS, and satellite laser ranging height residuals from ITRF2005 using spectral and correlation methods / Xavier Collilieux in Journal of geophysical research : Solid Earth, vol 112 n° B12 (December 2007)
PermalinkDORIS applications for solid earth and atmospheric sciences / Pascal Willis in Comptes rendus : Géoscience, vol 339 n°16 ([01/12/2007])
PermalinkFlexion and skewness in map projections of the Earth / D. Goldberg in Cartographica, vol 42 n° 4 (December 2007)
PermalinkGateway to a successful start of Galileo: gate, Galileo test environment / S. Plum in Geoinformatics, vol 10 n° 8 (01/12/2007)
PermalinkGeneration of a consistent absolute phase center correction model for GPS receiver and satellite antennas / Ralf Schmid in Journal of geodesy, vol 81 n° 12 (December 2007)
PermalinkImpact des évolutions technologiques actuelles sur les levés cadastraux / Michel Kasser in XYZ, n° 113 (décembre 2007 - février 2008)
PermalinkJournées de la topographie : état et tendances de l'art topographique / M. Koehl in XYZ, n° 113 (décembre 2007 - février 2008)
PermalinkLe Quasi-géoïde libanais (QGL06) et la référence d'altitude du NGL (RAL 06) / Mohamed Allouche in XYZ, n° 113 (décembre 2007 - février 2008)
PermalinkThe wavelet method as an alternative for reducing ionospheric effects from single-frequency GPS receivers / E.M. DE Souza in Journal of geodesy, vol 81 n° 12 (December 2007)
PermalinkTopographie : un demi-siècle d'évolution technologique : (4/4) l'avènement des satellites, la géodésie spatiale, le GPS ; la photogrammétrie / Paul Courbon in XYZ, n° 113 (décembre 2007 - février 2008)
PermalinkStudy of the statistics of water vapor mixing ratio determined from Raman lidar measurements / Pierre Bosser in Applied Optics, vol 46 n° 3 ([20/11/2007])
PermalinkPractical geodesy: part 6 software set-up / Huibert-Jan Lekkerkerk in Geoinformatics, vol 10 n° 7 (01/11/2007)
PermalinkPermalinkPermalinkCoseismic and post-seismic signatures of the Sumatra 2004 December and 2005 March earthquakes in GRACE satellite gravity / Isabelle Panet in Geophysical journal international, vol 171 n° 1 (Octobre 2007)
PermalinkDefinition and realization of terrestrial reference systems application to ITRS and ETRS89 / Zuheir Altamimi in Forum Geografico, n° 2 (Outubro 2007)
PermalinkReflecting on GPS: sensing land and ice from low Earth orbit / S.T. Gleason in GPS world, vol 18 n° 10 (October 2008)
PermalinkBrainy positioning: processing GPS data with neural networks / Rodrigo Figueiredo Leandro in GPS world, vol 18 n° 9 (September 2007)
PermalinkBringing all GNSS into line: new assistance standards embrace Galileo, Glonass, QZSS [Japanese quasi-zenith satellite system], SBAS [space-based augmentation system] / L. Wirola in GPS world, vol 18 n° 9 (September 2007)
PermalinkITRF2005: A new release of the International Terrestrial Reference Frame based on time series of station positions and Earth Orientation Parameters / Zuheir Altamimi in Journal of geophysical research : Solid Earth, vol 112 n° 9 (September 2007)
PermalinkMap projections minimizing distance errors / J.R. Gott in Cartographica, vol 42 n° 3 (September 2007)
PermalinkPermalinkPractical geodesy: part 5 chart projections / Huibert-Jan Lekkerkerk in Geoinformatics, vol 10 n° 6 (01/09/2007)
PermalinkQuantification globale des écarts géométriques entre plans cadastraux DGI et référentiels IGN dans le cadre du géoreférencement de la BD parcellaire en mode image / F. Chahuneau in XYZ, n° 112 (septembre - novembre 2007)
PermalinkQuasigeoid evaluation with improved levelled height data for Norway / D.I. Lysaker in Journal of geodesy, vol 81 n° 9 (September 2007)
PermalinkPermalinkUpdating for two recent earthquakes in California / C Pearson in SaLIS Surveying and land information science, vol 67 n° 3 (October 2007)
PermalinkDétection des haies et segmentation automatique / A. Dommanget in Géomatique expert, n° 57 (01/07/2007)
PermalinkGeneration of study of high-resolution satellite gravity over the Sumatra earthquake region / Samprit Chatterjee in International Journal of Remote Sensing IJRS, vol 28 n° 13-14 (July 2007)
PermalinkPermalinkPractical geodesy: part 4 chart projections (1) / Huibert-Jan Lekkerkerk in Geoinformatics, vol 10 n° 5 (01/07/2007)
PermalinkCombined Earth orientation parameters based on homogeneous and continuous VLBI and GPS data / Daniela Thaller in Journal of geodesy, vol 81 n° 6-8 (June - August 2007)
PermalinkEtude pour la réalisation de cartes de visibilité satellitaire GNSS / G. Bizouard in XYZ, n° 111 (juin - août 2007)
PermalinkPermalinkPermalinkPermalinkGeocentric sea-level trend estimates from GPS analyses at relevant tide gauges world-wide / Guy Wöppelmann in Global and Planetary Change, vol 57 n° 3-4 (June 2007)
PermalinkIndirect approach to invariant point determination for SLR and VLBI systems: an assessment / John Dawson in Journal of geodesy, vol 81 n° 6-8 (June - August 2007)
PermalinkPractical geodesy: part 3 The geoid / Huibert-Jan Lekkerkerk in Geoinformatics, vol 10 n° 4 (01/06/2007)
PermalinkSurveillance tectonique par GPS à la jonction des plaques Afrique, Arabie et Anatolie au sud-est de la Turquie / S. Bertrand in XYZ, n° 111 (juin - août 2007)
PermalinkThe impact of radio source structure on European geodetic VLBI measurements / V. Tornatore in Journal of geodesy, vol 81 n° 6-8 (June - August 2007)
PermalinkMultiscale analysis of precipitable water vapor over Africa from GPS data and ECMWF analyses / Olivier Bock in Geophysical research letters, vol 34 n° 9 (16 May 2007)
PermalinkAnalysis of a possible future degradation in the DORIS geodetic results related to changes in the satellite constellation / Pascal Willis in Advances in space research, vol 39 n° 10 (May 2007)
PermalinkA comparison of GPS, VLBI and model estimates of ocean tide loading displacements / I.D. Thomas in Journal of geodesy, vol 81 n° 5 (May 2007)
PermalinkDORIS satellite phase center determination and consequences on the derived scale of the Terrestrial Reference Frame / Pascal Willis in Advances in space research, vol 39 n° 10 (May 2007)
PermalinkPermalinkPermalinkLe GPS dans les pratiques artistiques contemporaines / Françoise de Blomac in SIG la lettre, n° 87 (mai 2007)
PermalinkGPS sidereal filtering: coordinate- and carrier-phase-level strategies / A.E. Ragheb in Journal of geodesy, vol 81 n° 5 (May 2007)
PermalinkInfluence of ambiguity precision on the success rate of GNSS integer ambiguity bootstrapping / Peter J.G. Teunissen in Journal of geodesy, vol 81 n° 5 (May 2007)
PermalinkPermalinkPermalinkThe topographic bias by analytical continuation in physical geodesy / Lard Erik Sjöberg in Journal of geodesy, vol 81 n° 5 (May 2007)
PermalinkAirborne LaCoste & Romberg gravimetry: a space domain approach / M. Abbasi in Journal of geodesy, vol 81 n° 4 (April 2007)
PermalinkAnalysis of DORIS range-rate residuals for TOPEX/Poseidon, Jason, Envisat and SPOT / Eelco Doornbos in Acta Astronautica, vol 60 n° 8-9 (April - May 2007)
PermalinkGNSS : Update, Giove-B Bom Bursts / Huibert-Jan Lekkerkerk in Geoinformatics, vol 10 n° 3 (01/04/2007)
PermalinkHigher order ionospheric effects in precise GNSS positioning / M. Mainul Hoque in Journal of geodesy, vol 81 n° 4 (April 2007)
PermalinkNetwork RTK: getting ready for GNSS modernization / H. Landau in GPS world, vol 18 n° 4 (April 2007)
PermalinkPermalinkPermalinkPractical geodesy : Part 2 The ellipsoid / Huibert-Jan Lekkerkerk in Geoinformatics, vol 10 n° 3 (01/04/2007)
PermalinkLa carte topographique française de 1887 à nos jours / Gérard Chappart in Le monde des cartes, n° 191 (mars - mai 2007)
PermalinkDetermination of the free core nutation period from tidal gravity observations of the GGP superconducting gravimeter network / B. Ducarme in Journal of geodesy, vol 81 n° 3 (March 2007)
PermalinkEfficient maintenance of the Japanese datum 2000 using crustal deformation models : Patch JGD & semi-dynamic datum / Yoshiyuki Tanaka in Bulletin of the Geographical survey institute, vol 54 (March 2007)
PermalinkGestion des liens entre la représentation spatiale et les informations alphanumériques associées à un objet géographique : Généralisation aux représentations composites et non simplement connexes / J. Lecoq in Revue internationale de géomatique, vol 17 n° 1 (mars – mai 2007)
PermalinkPermalinkPermalinkNetwork real-time kinematic performance analysis using RTCM 3.0 and the Southern Alberta network / Kyle O'Keefe in Geomatica, vol 61 n° 1 (March 2007)
PermalinkNouvelles technologies : quelles (r)évolutions pour la topographie ? / Tania Landes in XYZ, n° 110 (mars - mai 2007)
PermalinkPermalinkPractical geodesy: Part 1 The basics / Huibert-Jan Lekkerkerk in Geoinformatics, vol 10 n° 2 (01/03/2007)
PermalinkRéseaux GPS temps réel centimétrique en concertation / Anne Fantuzzi in Géomètre, n° 2035 (mars 2007)
PermalinkPermalinkAn integrated approach for modelling and global registration of point clouds / T. Rabbani in ISPRS Journal of photogrammetry and remote sensing, vol 61 n° 6 (February 2007)
PermalinkCalibration errors on experimental slant total electron content (TEC) determined with GPS / L. Ciraolo in Journal of geodesy, vol 81 n° 2 (February 2007)
PermalinkDiurnal Cycle of Water Vapor as Documented by a Dense GPS Network in a Coastal Area during ESCOMPTE IOP2 / Sophie Bastin in Journal of Applied Meteorology and Climatology, vol 46 n° 2 (February 2007)
PermalinkEfficiency of carrier-phase integer ambiguity resolution for precise GPS positioning in noisy environments / L. Zhu in Journal of geodesy, vol 81 n° 2 (February 2007)
PermalinkPermalinkOfficial geoid undulations model: substitute for nationwide orthometric control network / G. Steinberg in GIM international, vol 21 n° 2 (February 2007)
PermalinkThe geopotential value W 0 for specifying the relativistic atomic time scale and a global vertical reference system / M. Bursa in Journal of geodesy, vol 81 n° 2 (February 2007)
PermalinkAn Improved mean-gravity model for GPS hydrostatic delay calibration / Pierre Bosser in IEEE Geoscience and Remote Sensing Letters, vol 4 n° 1 (2007)
PermalinkAufbau der neuen Landesvermessung der Schweiz 'LV95'. Teil 12 Landeshöhennetz 'LHN95' / A. Schlatter (2007)
PermalinkChamp de vitesses de l'ITRF, propriétés cinématiques de la croute terrestre et condition de non rotation globale / Juliette Legrand (2007)
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