Exploració per autor "Hernández Pajares, Manuel"Més informacióMés informació

Ara es mostren els items 152-171 de 202

    • SEPsFLAREs: Abstract 

      Nuñez, Marlon; Qahwaji, Rami; Ashamari, Omar W; García Rigo, Alberto; Hernández Pajares, Manuel (2015-04-06)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • SEPsFLAREs: AR meeting presentation 

      García Rigo, Alberto; Hernández Pajares, Manuel; Nuñez, Marlon; Qahwaji, Rami; Ashamari, Omar W (2015-03-25)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • SEPsFLAREs: Executive Summary 

      Nuñez, Marlon; Qahwaji, Rami; Ashamari, Omar W; García Rigo, Alberto; Hernández Pajares, Manuel (2015-04-06)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • SEPsFLAREs: Final Report 

      Nuñez, Marlon; Qahwaji, Rami; Ashamari, Omar W; García Rigo, Alberto; Hernández Pajares, Manuel (2015-04-06)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • SEPsFLAREs: Finalised Design Definition File (DDF) 

      García Rigo, Alberto; Hernández Pajares, Manuel; Nuñez, Marlon; Qahwaji, Rami; Ashamari, Omar W (2015-04-04)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • SEPsFLAREs: Migration File (MF-v2) 

      Pérez, Gustau; García Rigo, Alberto; Hernández Pajares, Manuel (2015-04-06)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • SEPsFLAREs: Technical Specification 

      García Rigo, Alberto; Hernández Pajares, Manuel; Nuñez, Marlon; Qahwaji, Rami; Ashamari, Omar W (2015-02-24)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • SHPTS: towards a new method for generating precise global ionospheric TEC map based on spherical harmonic and generalized trigonometric series functions 

      Li, Zishen; Yuan, Yunbin; Wang, Ningbo; Hernández Pajares, Manuel; Huo, Xingliang (2015-04)
      Article
      Accés restringit per política de l'editorial
      To take maximum advantage of the increasing Global Navigation Satellite Systems (GNSS) data to improve the accuracy and resolution of global ionospheric TEC map (GIM), an approach, named Spherical Harmonic plus generalized ...

    • Sibsonian and non-Sibsonian natural neighbour interpolation of the total electron content value 

      Kotulak, Kacper; Fron, Adam; Krankowski, Andrzej; Olivares Pulido, Germán; Hernández Pajares, Manuel (2017-03)
      Article
      Accés obert
      In radioastronomy the interferometric measurement between radiotelescopes located relatively close to each other helps removing ionospheric effects. Unfortunately, in case of networks such as LOw Frequency ARray (LOFAR), ...

    • Solar EUV flux rate estimation during mid and strong flares from the ionospheric electron content response signature in GNSS observations 

      Hernández Pajares, Manuel; García Rigo, Alberto; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Monte Moreno, Enrique; Aragón Ángel, María Ángeles (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A simple and precise technique to measure the sudden Extreme Ultraviolet (EUV) radiation increase of the Sun, during mid and strong flares, has been formulated and demonstrated for the most active part of the last Solar ...

    • Solar flare detection system based on global positioning system data: first results 

      Hernández Pajares, Manuel; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (Elsevier, 2006-09-30)
      Article
      Accés obert
      A solar flare detector has been developed using the Global Positioning System (GPS) capabilities to monitor the ionospheric Total Electron Content (TEC). It is based on obtaining the variation of the vertical TEC data ...

    • Space Weather Prediction System providing forecasts and alerts on solar flares and SEP events 

      García Rigo, Alberto; Nuñez, Marlon; Qahwaji, Rami; Ashamari, Omar W; Jiggens, Piers; Pérez, Gustau; Hernández Pajares, Manuel; Hilgers, Alain (2015)
      Comunicació de congrés
      Accés obert
      A web-based prototype system for predicting Solar Flares and Solar Energetic Particle (SEP) events for its use by space launcher operators or any interested user has been implemented. The main goal of this system, called ...

    • Spatial and temporal features of the topside ionospheric electron density by a new model based on GPS radio occultation data 

      Prol, Fabricio dos Santos; Hernández Pajares, Manuel; Camargo, Paulo de Oliveira; Honorato Muella, Marcio Tadeu de Assis (2018-03)
      Article
      Accés obert
      A new method for probing the spatial and temporal features of the topside ionosphere is presented. The Vary-Chap model given by linear functions was used to discover and report features of the topside scale height and its ...

    • St. Patrick’s Day 2015 geomagnetic storm analysis based on Real Time Ionosphere Monitoring 

      García Rigo, Alberto; Roma Dollase, David; Hernández Pajares, Manuel; Li, Zishen; Terkildsen, Michael; Ghoddousi Fard, Reza; Dettmering, Denise; Erdogan, Eren; Haralambous, Haris; Beniguel, Yannick; Berdermann, Jens; Kriegel, Martin; Krypiak-Gregorczyk, Anna; Gulyaeva, Tamara L.; Komjathy, Attila; Vergados, Panagiotis; Feltens, Joachim; Zandbergen, René; Olivares, German; Fuller Rowell, Tim; Altadill, David; Blanch, Estefania; Bergeot, Nicolas; Krankowski, Andrzej; Agrotis, Loukis; Galkin, Ivan; Orus-Perez, Raul; Prol, Fabricio dos Santos (2017)
      Comunicació de congrés
      Accés obert
      A detailed analysis is presented for the days in March, 2015 surrounding St. Patrick’s Day 2015 geomagnetic storm, based on the existing real-time and near real-time ionospheric models (global or regional) within the ...

    • Statistical characterization of strong and mid solar flares and sun EUV rate monitoring with GNSS 

      Monte Moreno, Enrique; Hernández Pajares, Manuel; García Rigo, Alberto; Beniguel, Yannick; Orús Pérez, Raul; Prieto Cerdeira, Roberto; Schlueter, Stefan (2015-03-16)
      Article
      Accés obert
      The global network of permanent Global Navigation Satellite Systems (GNSS) receivers has become an useful and affordable way of monitoring the Solar EUV flux rate, especially -for the time being- in the context of Major ...

    • Study of ionospheric bending angle and scintillation profiles derived by GNSS radio-occultation with MetOp-A satellite 

      Prol, Fabricio dos Santos; Mainul Hoque, Mohammed; Hernández Pajares, Manuel; Yuan, Liangliang; Olivares Pulido, Germán; von Engeln, Axel; Marquardt, Christian; Notarpietro, Riccardo (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-20)
      Article
      Accés obert
      In this work, a dedicated campaign by MetOp-A satellite is conducted to monitor the ionosphere based on radio-occultation (RO) measurements provided by the onboard GNSS (Global Navigation Satellite System) Receiver for ...

    • Study of several interpolation schemes to provide ionospheric corrections for navigation 

      Orús Pérez, Raül; García Fernández, Miquel; Prats Menéndez, Xavier; Hernández Pajares, Manuel; Juan, Miguel (2003-02)
      Text en actes de congrés
      Accés obert
      Since the development of space based geodesic techniques, the increasing of the positioning accuracy has been a major goal. In this context, the effect of the ionosphere has been a key issue to be taken into account to ...

    • Study of the self organizing map of one local stellar sample 

      Hernández Pajares, Manuel; Cubarsí Morera, Rafael; Monte Moreno, Enrique (F. MURTAGH AND A. HECK, 1992)
      Text en actes de congrés
      Accés obert

    • Systematic detection of anomalous ionospheric perturbations above LEOs from GNSS POD Data including possible tsunami signatures 

      Yang, Heng; Hernández Pajares, Manuel; Jarmolowski, Wojciech; Wielgosz, Pawel; Vadas, Sharon L.; Colombo, Oscar L.; Monte Moreno, Enrique; García Rigo, Alberto; Graffigna, Victoria; Krypiak-Gregorczyk, Anna; Milanowska, Beata; Bofill Soliguer, Pablo; Olivares Pulido, Germán; Liu, Qi; Haagmans, Roger (Institute of Electrical and Electronics Engineers (IEEE), 2022-06-13)
      Article
      Accés obert
      In this article, we show the capability of a global navigation satellite system (GNSS) precise orbit determination (POD) low Earth orbit (LEO) data to detect anomalous ionospheric disturbances in the spectral range of the ...

    • TEC forecasting based on manifold trajectories 

      Monte Moreno, Enrique; García Rigo, Alberto; Hernández Pajares, Manuel; Yang, Heng (Multidisciplinary Digital Publishing Institute (MDPI), 2018-06-22)
      Article
      Accés obert
      In this paper, we present a method for forecasting the ionospheric Total Electron Content (TEC) distribution from the International GNSS Service’s Global Ionospheric Maps. The forecasting system gives an estimation of the ...