Now showing items 1-10 of 10

  • Altimetry performance and error budget of the PARIS in-orbit demonstration mission 

    Camps Carmona, Adriano José; Pascual Biosca, Daniel; Hyuk, Park; Martín Alemany, Francisco; Rius, Antonio; Ribó Vedrilla, Serni; Benito, Javier; Andrés, A.; Saameno, Paula; Staton, Gavin; Martín Neira, Manuel; D'Addio, Salvatore; Willemsen, P. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Restricted access - publisher's policy
    Reflectometry using Global Navigation Satellite System's signals of opportunity (GNSS-R) was originally conceived for mesoscale altimetry [1], although its applicability to sea state determination, soil moisture, vegetation, ...
  • Altimetry with GNSS-R interferometry: first proof of concept experiment 

    Martín Neira, Manuel; Altena, B.; van Bree, R.; Van Der Marel, H.; Camps Carmona, Adriano José; Rius, Antonio; Nogués Correig, O.; Ribó Vedrilla, Serni; Cardellach, Estel; Oliveras, S.; Valencia Domènech, Enric; Hyuk, Park; Tarongí Bauzá, José Miguel (2012-04)
    Article
    Restricted access - publisher's policy
    The Global Navigation Satellite System Reflectometry (GNSS-R) concept was conceived as a means to densify radar altimeter measurements of the sea surface. Until now, the GNSS-R concept relied on open access to GNSS ...
  • Consolidating the precision of interferometric GNSS-R ocean altimetry using airborne experimental data 

    Cardellach, Estel; Rius, Antonio; Martín Neira, Manuel; Fabra Cervellera, Fran; Nogués Correig, O.; Ribó Vedrilla, Serni; Kainulainen, Juha; Camps Carmona, Adriano José; D'Addio, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2014-08)
    Article
    Restricted access - publisher's policy
    This paper revises the precision of altimetric measurements made with signals of the Global Navigation Satellite Systems (GNSS) reflected (GNSS-R) off the sea surface. In particular, we investigate the performance of two ...
  • Feasibility of GNSS-R ice sheet altimetry in Greenland using TDS-1 

    Rius, Antonio; Cardellach, Estel; Fabra, Fran; Li, Weiqiang; Ribó Vedrilla, Serni; Hernández Pajares, Manuel (2017-07-19)
    Article
    Open Access
    Radar altimetry provides valuable measurements to characterize the state and the evolution of the ice sheet cover of Antartica and Greenland. Global Navigation Satellite System Reflectometry (GNSS-R) has the potential to ...
  • GEROS-ISS: GNSS REflectometry, radio occultation, and scatterometry onboard the International Space Station 

    Wickert, Jens; Cardellach, Estel; Martín-Neira, Manuel; Bandeiras, J.; Bertino, Laurent; Baltazar Andersen, Ole; Camps Carmona, Adriano José; Catarino, Nuno; Chapron, Bertrand; Fabra, Francisco; Floury, Nicolas; Foti, Giuseppe; Gommenginger, Christine; Hatton, Jason; Høeg, Peter; Jaggi, A.; Lee, T.; Li, Z.; Hyuk, Park; Pierdicca, Nazzareno; Ressler, Gerhard; Rius, Antonio; Font-Rosselló, Josep; Saynisch, Jan; Soulat, François; Shum, C. K.; Semmling, Maximilian; Sousa, Anna; Xie, Jiping; Zuffada, Cinzia (2016-10-01)
    Article
    Open Access
    GEROS-ISS stands for GNSS REflectometry, radio occultation, and scatterometry onboard the International Space Station (ISS). It is a scientific experiment, successfully proposed to the European Space Agency in 2011. The ...
  • PAU instrument aboard INTA MicroSat-1: A GNSS-R demonstration mission for sea state correction in L-band radiometry 

    Rius, Antonio; Angulo, Manuel; Chavero, Sergio; Martinez, Pedro; Galindo, Juan Jose; Mollfulleda, Antonio; Camps Carmona, Adriano José; Marchán Hernández, Juan Fernando; Valencia Domènech, Enric; Ramos Pérez, Isaac; Bosch Lluís, Xavier; Rodríguez Álvarez, Nereida; Hyuk, Park; Alcayde Egea, Antonio (IEEE, 2011)
    Conference lecture
    Restricted access - publisher's policy
    Global Navigation Satellite System (GNSS) Reflectometry was originally proposed for mesoscale altimetry, but today its feasibility for sea state, soil moisture, vegetation and snow height has already been demonstrated. ...
  • PAU instrument aboard INTA MicroSat-1: flight model tests 

    Alonso González, Alberto; Camps Carmona, Adriano José; Pascual Biosca, Daniel; Hyuk, Park; Alcayde Egea, Antonio; Chavero, Sergio; Martinez, Pedro; Crespo, Luis; Angulo, Manuel; Rius, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    This work presents the PAU instrument aboard the satellite INTA MicroSAT-1. The PAU instrument is a combination of a Radiometer and a GNSS Reflectometer designed to study the relationship GNSS-R observables (Delay Doppler ...
  • PAU instrument aboard INTA MicroSAT-1: initial results of the FM model from an airborne experiment 

    Alonso Arroyo, Alberto; Camps Carmona, Adriano José; Pascual Biosca, Daniel; Hyuk, Park; Alcayde Egea, Antonio; Chavero, Sergio; Martinez, Pedro; Crespo, Luis; Angulo, Manuel; Rius, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    This work presents the PAU instrument aboard the satellite INTA MicroSAT-1. The PAU instrument is a combination of a Radiometer and a GNSS Reflectometer designed to study the relationship GNSS-R observables (Delay Doppler ...
  • Preliminary error budget of a GNSS-r spaceborne mission 

    Camps Carmona, Adriano José; Hyuk, Park; Valencia Domènech, Enric; Rius, Antonio (IEEE, 2011)
    Conference report
    Restricted access - publisher's policy
    Reflectometry using Global Navigation Satellite System's (GNSS) opportunity signals was originally conceived for altimetry [1], but it has been demonstrated today that it can be applied to sea state determination, soil ...
  • Submeter ocean altimetry with GPS L1 C/A signal 

    Carreño Luengo, Hugo; Hyuk, Park; Camps Carmona, Adriano José; Fabra Cervellera, Fran; Rius, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    The ultimate accuracy and precision of conventional1 and interferometric2 Global Positioning Satellite System Rerflectometry (GNSS-R) techniques for mesoscale ocean altimetry are still a matter of debate in the scientific ...