Exploració per autor "Juan Zornoza, José Miguel"
Ara es mostren els items 68-87 de 118
-
Long-baseline (> 400Km) on the fly ambiguity resolution using ionospheric corrections with high geomagnetic activity
Colombo, Oscar L.; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2001)
Comunicació de congrés
Accés obertA procedure for resolving carrier phase ambiguities, even under unfavorable geomagnetic conditions, has been tested. Precise ionospheric corrections have been made using dual-frequency data from control stations. Successful ... -
Looking for efficient and accurate ways of computing the global ionospheric electron density distribution from huge amounts of GNSS observations
Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Monte Moreno, Enrique; Aragón Ángel, María Ángeles (2011)
Presentació
Accés obertIn this work the authors will explore different potential ways of estimating efficiently and accurately the global number density of ionospheric free electrons from the most part of nowadays available GNSS ... -
Measuring phase scintillation at different frequencies with conventional GNSS receivers operating at 1 Hz
Nguyen, Viet Khoi; Rovira Garcia, Adrià; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; González Casado, Guillermo; Hai Tung, Ta; The Vinh, La (2019-10-01)
Article
Accés obertIonospheric scintillation causes rapid fluctuations of measurements from Global Navigation Satellite Systems (GNSSs), thus threatening space-based communication and geolocation services. The phenomenon is most intense in ... -
Methods and other considerations to correct higher order ionospheric delay terms in GNSS
Hernández Pajares, Manuel; Fritsche, M.; Hoque, M.M.; Jakowski, Norbert; Juan Zornoza, José Miguel; Kedar, S.; Krankowski, A.; Petrie, E.; Sanz Subirana, Jaume (2008-06-02)
Presentació
Accés obert -
Model Design
Barbosa, José; Camps Carmona, Adriano José; Juan Zornoza, José Miguel; Orús Pérez, Raul (2017-07-10)
Report de recerca
Accés restringit per acord de confidencialitat -
Multi-satellite cycle-slip detection and exclusion using the noise subspace of residual dynamics
Riba Sagarra, Jaume; Cabrera Estanyol, Ferran de; Juan Zornoza, José Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertReal-time detection of cycle-slips on undifferenced carrier-phase measurements is an important task to properly exclude wrong phase trackers from precise positioning algorithms. The detection is especially challenging in ... -
Navegando con satélites : (o cómo posicionarse con GPS y Galileo con errores de pocos centímetros, en tiempo-real y a escala continental)
Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2003)
Article
Accés obert -
Network-based High Accuracy Positioning with the GPSTk
Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (European Space Agency (ESA), 2010)
Text en actes de congrés
Accés obertThis paper presents an implementation of a postprocess kinematic positioning technique similar to PPP (Precise Point Positioning) but based on a network of stations. This technique is independent of precise clock ... -
Network-based ionospheric gradient monitoring to support GBAS
Caamaño Albuerne, María; Juan Zornoza, José Miguel; Felux, Michael; Gerbeth, Daniel; González Casado, Guillermo; Sanz Subirana, Jaume (2021-02-11)
Article
Accés obertLarge ionospheric gradients acting between a Ground Based Augmentation System (GBAS) reference station and an aircraft on approach could lead to hazardous position errors if undetected. Current GBAS stations provide solutions ... -
Network-based ionospheric gradient monitoring to support GBAS
Caamaño Albuerne, María; Felux, Michael; Gerbeth, Daniel; Juan Zornoza, José Miguel; González Casado, Guillermo; Sanz Subirana, Jaume (ION Publications (The Institute of navigation), 2019)
Text en actes de congrés
Accés obertIonospheric anomalies, like large ionospheric gradients, might produce a difference between the ionospheric error experienced bythe Ground Based Augmentation System (GBAS) reference station and the aircraft on approach. ... -
Novel ionospheric activity indicator specifically tailored for GNSS users
Sanz Subirana, Jaume; Juan Zornoza, José Miguel; González Casado, Guillermo; Prieto Cerdeira, Roberto; Schlüter, S.; Orús Pérez, Raul (The Institute of Navigation, 2014)
Text en actes de congrés
Accés restringit per decisió de l'autorThis work introduces a novel ionospheric activity indicator useful for identifying disturbed periods affecting performance for GNSS users, at regional level. This indicator is based in the “Along Arc TEC Rate (AATR) and ... -
Open source precise point positioning with GNSS data structures and the GPSTk
Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (EGU, 2008-04-13)
Comunicació de congrés
Accés obert -
Open source precise point positioning with GNSS data structures and the GPSTk
Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (European Geoscience Union, 2008-04)
Article
Accés obert -
Plasmaspheric Electron Content contribution inferred from ground and radio occultation derived Total Electron Content
Aragón Ángel, María Ángeles; Sanz Subirana, Jaume; Juan Zornoza, José Miguel; Hernández Pajares, Manuel; Altadill, D. (2012)
Text en actes de congrés
Accés obertThe FORMOSAT-3/COSMIC satellite constellation has become an important source of remote sensing data globally distributed for the sounding of the atmosphere of the Earth and, in particular, the ionosphere. In this study, ... -
Preliminary NeQuick assessment for future single frequency users of GALILEO
Aragón Ángel, María Ángeles; Orús Pérez, Raül; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2005)
Text en actes de congrés
Accés obertThe NeQuick model is the ionospheric mo del that will be used by the GALILEO single frequency user to compute ionospheric corrections. In this framework, the aim of this study is to show a preliminary assessment of the ... -
Procesado de Datos GPS: código y fase. Algoritmos, técnicas y recetas.
Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (gAGE/UPC, 2005-07)
Llibre
Accés restringit per política de l'editorial -
PRTODTS monthly progress report no 1 (February 2009)
Hernández Pajares, Manuel; Ramos Bosch, Pedro; Sanz Subirana, Jaume; Juan Zornoza, José Miguel (2009-03-03)
Report de recerca
Accés restringit per acord de confidencialitat -
PRTODTS monthly progress report no 2 (March 2009)
Hernández Pajares, Manuel; Ramos Bosch, Pedro; Sanz Subirana, Jaume; Juan Zornoza, José Miguel (2009-04-01)
Report de recerca
Accés restringit per acord de confidencialitat -
Rapid Open Source GPS software development for modern embedded systems:using the GPSTk with the Gumstix
Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2006-12)
Text en actes de congrés
Accés obertThis work shows how the combination of GPS Open Source Software (GOSS) and advanced full function miniature computers (FFMC) allows rapid development, implementation and testing of advanced embedded GNSS data processing ... -
Real time application of Tomion model
Orús Pérez, Raül; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Aragón Ángel, María Ángeles; García Rigo, Alberto (2010)
Comunicació de congrés
Accés obertSince the first development of the TOMION(TOmographic Model of the IONosphere),in1995,gAGE/UPC has been improving the performance and reliability of this technique. The TOMION kernel relies on the computation of the ...