Now showing items 1-13 of 13

  • A generic simulator for aperture synthesis radiometers: Radiative transfer module and end-to-end tests 

    Camps Carmona, Adriano José; Hyuk, Park; Barbosa, José; Bandeiras, J.; Sousa, Ana; d'Addio, Salvatore; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference lecture
    Restricted access - publisher's policy
    The Synthetic Aperture Interferometric Radiometer (SAIR) Performance Simulator (SAIRPS) is a very versatile software tool developed by Deimos Engenharia (Portugal) and the Universitat Politècnica de Catalunya-Barcelona ...
  • Feasibility of precise navigation in high and low latitude regions under scintillation conditions 

    Juan Zornoza, José Miguel; Sanz Subirana, Jaume; González Casado, Guillermo; Rovira Garcia, Adrià; Camps Carmona, Adriano José; Riba Sagarra, Jaume; Barbosa, José; Blanch Llosa, Estefania; Altadill, David; Orús Pérez, Raul (2018-02-06)
    Article
    Open Access
    Scintillation is one of the most challenging problems in Global Navigation Satellite Systems (GNSS) navigation. This phenomenon appears when the radio signal passes through ionospheric irregularities. These irregularities ...
  • Improved characterization and modeling of equatorial plasma depletions 

    Blanch Llosa, Estefania; Altadill, David; Juan Zornoza, José Miguel; Camps Carmona, Adriano José; Barbosa, José; González Casado, Guillermo; Riba Sagarra, Jaume; Sanz Subirana, Jaume; Vázquez Grau, Gregorio; Orús Pérez, Raul (2018-08-22)
    Article
    Open Access
    This manuscript presents a method to identify the occurrence of Equatorial Plasma Bubbles (EPBs) with data gathered from receivers of Global Navigation Satellite System (GNSS). This method adapts a previously existing ...
  • Improved modelling of ionospheric disturbances for remote sensing and navigation 

    Camps Carmona, Adriano José; Barbosa, José; Juan Zornoza, José Miguel; Blanch Llosa, Estefania; Altadill, David; González Casado, Guillermo; Vázquez Grau, Gregorio; Riba Sagarra, Jaume; Orus-Perez, Raul (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    A generic software tool to evaluate the impact of ionospheric disturbances is presented, including low and high latitude physically-based models, and low and high frequency fluctuations. This tool has been developed ...
  • Ionospheric scintillation monitoring using GNSS-R? 

    Camps Carmona, Adriano José; Hyuk, Park; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; González Casado, Guillermo; Barbosa, José; Fabbro, V; Lemorton, J; Orús Pérez, Raul (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    The characterization of the ionosphere and its impact on the propagation of radio-wave signals has received an increasing interest for satellite communications, Global Navigation Satellite Systems (GNSS) applications (i.e. ...
  • Microwave imaging radiometers by aperture synthesis— performance simulator (part 1): radiative transfer module 

    Camps Carmona, Adriano José; Hyuk, Park; Bandeiras, J.; Barbosa, José; Sousa, Anna; d'Addio, Salvatore; Martin-Neira, Manuel (2016-05-11)
    Article
    Open Access
    The Synthetic Aperture Interferometric Radiometer Performance Simulator (SAIRPS) is a three-year project sponsored by the European Space Agency (ESA) to develop a completely generic end-to-end performance simulator of ...
  • Microwave imaging radiometers by aperture synthesis performance simulator (part 2): instrument modeling, calibration, and image reconstruction algorithms 

    Camps Carmona, Adriano José; Hyuk, Park; Kang, Yujin; Bandeiras, J.; Barbosa, José; Vieira, Paula; Friaças, Ana; d'Addio, Salvatore (2016-05-12)
    Article
    Open Access
    The Synthetic Aperture Interferometric Radiometer Performance Simulator (SAIRPS) has been a three-year project sponsored by the European Space Agency (ESA) to develop a completely generic end-to-end performance simulator ...
  • Model Design 

    Barbosa, José; Camps Carmona, Adriano José; Juan Zornoza, José Miguel; Orús Pérez, Raul (2017-07-10)
    External research report
    Restricted access - confidentiality agreement
  • SAIRPS: a generic simulator for evaluation of synthetic aperture interferometric radiometers 

    Camps Carmona, Adriano José; Hyuk, Park; Kang, Yujin; Barbosa, José; Bandeiras, J.; Vieira, Paula; Friaças, Ana; D'Addio, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Restricted access - publisher's policy
    ESA's SMOS mission has been a cornerstone in passive Earth Observation, since it has provided for the first time ever with global and frequent observations of Soil Moisture and Ocean Salinity (where the mission acronym ...
  • SMOS instrument performance after more than 8 years in orbit and lessons learnt for future L-band missions 

    Martín Neira, Manuel; Oliva Balagué, Roger; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; Durán Martínez, Israel; Kainulainen, Juha; Closa Soteras, Josep; Zurita Campos, Alberto Manuel; Cabot, François; Khazaal, Ali; Anterrieu, E.; Barbosa, José; Tenerelli, Joseph; Díez, Raúl; Turiel, Antonio; González Gambau, Verónica (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
  • SMOS instrument performance and calibration after 6 years in orbit 

    Martín Neira, Manuel; Oliva, Roger; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; Durán Martínez, Israel; Kainulainen, Juha; Closa, Josep; Zurita Campos, Alberto Manuel; Cabot, François; Khazaal, Ali; Anterrieu, E.; Barbosa, José; Tenerelli, Joseph (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
    ESA’s Soil Moisture and Ocean Salinity (SMOS) mission has been in orbit for over 6 years, and its Microwave Imaging Radiometer with Aperture Synthesis (MIRAS) in two dimensions keeps working well. The data for almost this ...
  • SMOS instrument performance and calibration after six years in orbit 

    Martín Neira, Manuel; Oliva, Roger; Corbella Sanahuja, Ignasi; Duffo Ubeda, Núria; Durán Martínez, Israel; Torres Torres, Francisco; Kainulainen, Juha; Closa, Josep; Zurita Campos, Alberto Manuel; Cabot, François; Khazaal, Ali; Anterrieu, E.; Barbosa, José; Tenerelli, Joseph; Turiel, Antonio; Delwart, Steven (2016-07-01)
    Article
    Open Access
    ESA's Soil Moisture and Ocean Salinity (SMOS) mission, launched 2-Nov-2009, has been in orbit for over 6 years, and its Microwave Imaging Radiometer with Aperture Synthesis (MIRAS) in two dimensions keeps working well. The ...
  • Validation Plan 

    Barbosa, José; Camps Carmona, Adriano José; Juan Zornoza, José Miguel; Orús Pérez, Raul (2017-07-10)
    External research report
    Restricted access - confidentiality agreement