Recent Submissions

  • Refining the methodology to correct the faraday rotation angle from SMOS measurements 

    Rubino, Roselena; Duffo Ubeda, Núria; González Gambau, Verónica; Corbella Sanahuja, Ignasi; Durán Martínez, Israel; Torres Torres, Francisco; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference report
    Restricted access - publisher's policy
    In this work, a refined methodology to correct the Faraday Rotation angle (FRA) for the SMOS mission is proposed. The method is based on calculating the FRA using the SMOS full-pol radiometric data to obtain VTEC maps ...
  • Characterization of THz radiation by collimated wavefront aperture raster scanning 

    Nuño Gómez, Daniel-Juan; Santos Blanco, M. Concepción; Gomez Diaz, J. Sebastian; Romeu Robert, Jordi; Jofre Roca, Lluís (Universidad de Málaga, 2020)
    Conference report
    Open Access
    We present measurements for characterization of the beam profile and polarization pattern of lens-coupled photoconductive antennas (PCAs) at THz frequencies using a setup with antennas at fixed positions and a movable ...
  • 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)
    Conference lecture
    Open Access
    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 ...
  • Optical beam steering network with multiband capability 

    Vega, Sara; Nuño Gómez, Daniel-Juan; Santos Blanco, M. Concepción (Universidad de Málaga, 2020)
    Conference report
    Open Access
    A multiwavelength (MW) optical true time delay Network (OTTDN) to feed a phased array antenna (PAA) is presented. Beam steering capabilities can be demonstrated when applying MW tuning. A Dual Electrode Mach Zehnder Modulator ...
  • Deriving VTEC maps from SMOS radiometric data 

    Rubino, Roselena; Duffo Ubeda, Núria; González Gambau, Verónica; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Durán Martínez, Israel; Martín Neira, Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2020-05-01)
    Conference lecture
    Open Access
    In this work, a new methodology is proposed in order to derive vertical total electron content (VTEC) maps from the radiometric measurements of the Soil Moisture and Ocean Salinity (SMOS) mission as an alternative approach ...
  • A 3D printed lens antenna for 5G applications 

    Ballesteros, Christian; Maestre, Marcos; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference lecture
    Open Access
    A switchable multi-antenna architecture for lens-assisted beamsteering in the Ka-band region allocated for 5G communications (24-30 GHz) is proposed. The radiating elements are bow-tie antennas mounted with a 3D printed ...
  • A model for photocurrent generation in photoconductive antennas 

    López Menchón, Héctor; Revuelta Martinez, Sergio; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Rius Casals, Juan Manuel (2019)
    Conference lecture
    Restricted access - publisher's policy
    The laser-induced current carrier generation and transport under large biasing voltages in photoconductive materials located in electrode gap region of photoconductive antennas is a complex process involving many different ...
  • An architecture analysis for millimeter-wave optically steerable antenna array 

    Ballesteros Sánchez, Christian; Maestre, Marcos; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference lecture
    Restricted access - publisher's policy
    A lens-based integrated photodiode-antenna array for a Radio over Fiber (RoF) 5G wireless base station at millimeter-wave frequencies is proposed and analyzed. The elements of the array are based on slot bow-tie antennas ...
  • Benefits of applying nodal sampling to SMOS data over semi-enclosed seas and strongly RFI-contaminated regions 

    González Gambau, Verónica; Olmedo, Estrella; Martinez, J.; Turiel, Antonio; Corbella Sanahuja, Ignasi; Oliva, Roger; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Radio Frequency Interferences (RFI) are still an important source of contamination in SMOS data. The application of nodal sampling (NS) to brightness temperature images helps to mitigate the degradation that RFIs produce ...
  • Small footprint evaluation of metal coatings for additive manufacturing 

    Krkotic, Patrick; Aguasca Solé, Alberto; O'Callaghan Castellà, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference lecture
    Restricted access - publisher's policy
    Rutile resonators have been used in the past to characterize high-temperature superconductors. In this work we describe a novel use of this type of resonator: the characterization of surface resistance in metal coatings ...
  • New methodology for the Faraday rotation angle retrieval in the SMOS field of view 

    Rubino, Roselena; Duffo Ubeda, Núria; González Gambau, Verónica; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference lecture
    Restricted access - publisher's policy
    In this work, a new methodology to estimate the Faraday Rotation Angle (FRA) from SMOS full-pol brightness temperature is presented. This approach is focused on retrieving the Vertical Total Electron Content (VTEC) and ...
  • 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

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