Exploració per autor "Martín Neira, Manuel"

Ara es mostren els items 61-72 de 72

    • Technology developments for an advanced L-band radiometer mission 

      Martín Neira, Manuel; Catalán Artigas, Albert; Corbella Sanahuja, Ignasi; Durán Martínez, Israel; Duffo Ubeda, Núria (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Comunicació de congrés
      Accés obert
      ESA’s Soil Moisture and Ocean Salinity (SMOS) mission was launched 2 Nov 2009 and, to date, is still in good health, providing valuable L-band observations of the Earth surface [1]. A number of products are obtained from ...

    • The GRSS standard for GNSS-reflectometry 

      Carreño Luengo, Hugo; Camps Carmona, Adriano José; Flouri, Nicolas; Martín Neira, Manuel; Ruf, Chris; Wang, Tianlin; Khalsa, Siri Jodha; Clarizia, Maria Paola; Reynolds, Jennifer; Johnson, Joel (2020)
      Text en actes de congrés
      Accés obert
      In February 2019 a Project Authorization Request was approved by the Institute of Electrical and Electronics Engineers (IEEE) Standards Association with the title “Standard for Global Navigation Satellite System Reflectometry ...

    • The IEEE-SA Working Group on Spaceborne GNSS-R: Scene study 

      Carreño Luengo, Hugo; Camps Carmona, Adriano José; Ruf, Chris; Floury, Nicolas; Martín Neira, Manuel; Wang, Tianlin; Khalsa, Siri Jodha; Clarizia, Maria Paola; Reynolds, Jennifer; Johnson, Joel; O’Brien, Andrew; Galdi, Carmela; di Bisceglie, Maurizio; Dielacher, Andreas (Institute of Electrical and Electronics Engineers (IEEE), 2021-06-16)
      Article
      Accés obert
      The Institute of Electrical and Electronics Engineers (IEEE) Geoscience and Remote Sensing Society (GRSS) created the GRSS “Standards for Earth Observation Technical Committee” to advance the usability of remote sensing ...

    • The impact of antenna pattern frequency dependence in aperture synthesis microwave radiometers 

      Camps Carmona, Adriano José; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena; Martín Neira, Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-10-31)
      Article
      Accés obert

    • The impact of Antenna Pattern Frequency Dependence in Aperture Synthesis Microwave Radiometers 

      Camps Carmona, Adriano José; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena; Martín Neira, Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-10-31)
      Article
      Accés obert
      The effect of the frequency dependence of the antenna voltage patterns within the bandwidth of an aperture synthesis interferometric radiometer is studied and quantified using actual antenna voltage patterns measured at ...

    • The MIRAS “all-licef” calibration mode 

      Corbella Sanahuja, Ignasi; González Gambau, V.; Torres Torres, Francisco; Duffo Ubeda, Núria; Durán Martínez, Israel; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      Since each of the individual elements of the MIRAS array is a total power radiometer, the zero-spacing visibility can be obtained by the average of all the corresponding antenna temperatures. The main advantage of this ...

    • The WISE 2000 campaign: sea surface salinity and wind retrievals from L-band radiometry 

      Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Font Ferré, Jordi; Etcheto, Jacqueline; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena; Bará Temes, Francisco Javier; Torres Torres, Francisco; Wursteisen, Patrick; Martín Neira, Manuel (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2000)
      Text en actes de congrés
      Accés obert
      Sea surface salinity (SSS) has been recognized as a key parameter in climatological studies. SSS can be measured by passive microwave remote sensing at L band, where the sensitivity of the brightness temperatures shows a ...

    • Theoretical research on new concepts for the remote sensing of hydrometeors 

      Martín Neira, Manuel; Bará Temes, Francisco Javier; Camps Carmona, Adriano José; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Gasparini, O; Arbulino, M V (1996)
      Text en actes de congrés
      Accés obert
      There is an interest for climatology and meteorology to map hydrometeors, and in particular precipitation, both over the entire globe and across large defined regions. To achieve this goal at the proper spatial and temporal ...

    • Towards a SMOS operational mission: SMOSOps-Hexagonal 

      Zurita Campos, Alberto Manuel; Corbella Sanahuja, Ignasi; Martín Neira, Manuel; Plaza, Miguel Angel; Torres Torres, Francisco; Benito, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2013-06-03)
      Article
      Accés restringit per política de l'editorial
      The Microwave Imaging Radiometer with Aperture Synthesis (MIRAS) on-board the Soil Moisture and Ocean Salinity (SMOS) mission is providing useful data since November 2009, and proving the potential of 2D interferometry ...

    • TriHex: combining formation flying, general circular orbits and alias-free imaging, for high resolution L-band aperture synthesis 

      Martín Neira, Manuel; Scala, Francesca; Zurita Campos, Alberto M.; Suess, Martin; Piera, Miguel; Duesmann, Berthyl; Drusch, Matthias; Colombo, Camilla; De Wilde, Don; Closa Soteras, Josep; Gandini, Erio; Díez García, Raúl; Oliva Balagué, Roger; Corbella Sanahuja, Ignasi (Institute of Electrical and Electronics Engineers (IEEE), 2023-04-19)
      Article
      Accés obert
      The Soil Moisture and Ocean Salinity (SMOS) mission of the European Space Agency (ESA), together with NASA’s Soil Moisture Active Passive (SMAP) mission, is providing a wealth of information to the user community for a ...

    • Typhoon observations using the interferometric GNSS-R technique 

      Martín Alemany, Francisco; Camps Carmona, Adriano José; Hyuk, Park; Fabra Cervellera, Fran; Rius Jordán, Antonio; Martín Neira, Manuel; d'Addio, Salvatore; Li, Weiqiang; Yang, Dongkai (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Typhoon motoring using Global Navigation Satellite System (GNSS) signals is a new application of the GNSS-R technique, with increasing interest in the last years. Examples of that can be the CYGNSS (Cyclone Global Navigation ...

    • Wide field of view microwave interferometric radiometer imaging 

      Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; Durán Martínez, Israel; González Gambau, Verónica; Martín Neira, Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2019-03-02)
      Article
      Accés obert
      In microwave interferometric radiometers with a large field of view, as for example the Microwave Imaging Radiometer with Aperture Synthesis (MIRAS) onboard the Soil Moisture and Ocean Salinity (SMOS) satellite, one of the ...