Recent Submissions

  • Monitoring forest above-ground biomass from multifrequency vegetation optical depth: a preliminary study 

    Olivares Cabello, Claudia Lily; Chaparro Danon, David; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    Vegetation Optical Depth (VOD) is highly sensitive to Above-ground Biomass (AGB), particularly at L-band, as this band is more sensitive to the canopy layer and has greater ca pacity to penetrate the vegetation. However, ...
  • Parameter considerations for the retrieval of surface soil moisture from spaceborne GNSS-R 

    Muñoz Martin, Joan Francesc; Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José; Rudiger, Christoph; Walker, Jeffrey; Monerris Belda, Alessandra (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    The Microwave Interferometric Reflectometer (MIR) is an airborne GNSS-R instrument developed by Universitat Politècnica de Catalunya. In 2018, it was flown twice over the agricultural Yanco area, New South Wales, Australia, ...
  • Untangling the GNSS-R coherent and incoherent components: Experimental evidences over the ocean 

    Muñoz Martin, Joan Francesc; Onrubia Ibáñez, Raul; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José; Rudiger, Christoph; Walker, Jeffrey; Monerris Belda, Alessandra (2020)
    Conference report
    Open Access
    Global Navigation Satellite Systems Reflected (GNSS-R) signals exhibit an incoherent and a coherent components [1], [2]. Current models assume that one or the other are dominant, and the calibration, and geophysical parameter ...
  • First experimental evidence of wind and swell signatures in L5 GPS and E5A Galileo GNSS-R waveforms 

    Muñoz Martin, Joan Francesc; Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José; Rudiger, Christoph; Walker, Jeffrey; Monerris Belda, Alessandra (2020)
    Conference report
    Open Access
    As compared to the using L1C/A signals, L5/E5a Global Navigation Satellite System - Reflectometry (GNSS-R), gives improved resolution over the Earth's surface due to the sharper auto-correlation function. Furthermore, the ...
  • Global L-band vegetation volume fraction estimates for modeling vegetation optical depth 

    Chaparro Danon, David; Jagdhuber, Thomas; Piles Guillem, María; Entekhabi, Dara; Jonard, François; Fluhrer, Anke; Feldman, Andrew F.; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Restricted access - publisher's policy
    The attenuation of microwave emissions through the canopy is quantified by the vegetation optical depth (VOD), which is related to the amount of water, the biomass and the structure of vegetation. To provide microwave-derived ...
  • Exploring the performance of a miniature 3D wind sensor under extreme martian winds up to the dust devil scale 

    Domínguez Pumar, Manuel; Kowalski, Lukasz; Jiménez Serres, Vicente; Rodríguez Pérez, Ivette María; Soria Guerrero, Manel (2019)
    Conference report
    Open Access
    The objective of this paper is to explore the performance of a miniature 3D spherical wind sensor for Mars atmosphere, working under extreme wind speeds, up to the Dust Devil scale. The experimental campaign has been made ...
  • Testing campaign of a martian spherical wind sensor at the AWTSII Wind Tunnel Facility 

    Kowalski, Lukasz; Gorreta Mariné, Sergio; Atienza García, María Teresa; Jiménez Serres, Vicente; Castañer Muñoz, Luis María; Domínguez Pumar, Manuel (2018)
    Conference report
    Open Access
  • Sensitivity to soil moisture of spaceborne GNSS-R observables 

    Camps Carmona, Adriano José; Vall-Llossera Ferran, Mercedes Magdalena; Hyuk, Park; Portal González, Gerard; Rossato, Luciana (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    The potential of GNSS-R techniques to estimate land surface parameters such as Soil Moisture (SM) is experimentally studied using 2014-2017 global data from the UK TechDemoSat-1 (TDS-1) mission. The approach is based on ...
  • Antena Bi-banda con conformación de dos haces simultáneos para sistemas GNSS-R 

    Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Querol Borràs, Jorge; Hyuk, Park; Camps Carmona, Adriano José (Unión Científica Internacional de Radio (URSI), 2018)
    Conference report
    Restricted access - publisher's policy
    Global Navigation Satellite Systems – Reflectometry (GNSS-R) is a relatively new remote sensing technique that benefits from GNSS signals as signals of opportunity as a bistatic radar. These signals can be processed as ...
  • Microwave and optical data fusion for global mapping of soil moisture at high resolution 

    Portal González, Gerard; Vall-Llossera Ferran, Mercedes Magdalena; Piles Guillem, Maria; Camps Carmona, Adriano José; Chaparro Danon, David; Pablos Hernánez, Miriam; Rossato, Luciana; Aabouch, Khalid (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    After more than 8 years in orbit the Soil Moisture and Ocean Salinity (SMOS) satellite is still in good health and several algorithms for improving its spatial resolution have been proposed and validated in a variety of ...
  • Instrument needs for the Copernicus space infrastructure in the timeframe 2020–2030 

    Lancheros Sepulveda, Estefany Maria; Camps Carmona, Adriano José; Hyuk, Park; Rodríguez, Pedro; Tonetti, Stefania; Matevosyan, H.; Lluch, I.; Sicard, Michaël; Mangin, A. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    This work is part of “Operational Network of Individual Observation Nodes” (ONION). ONION is an H2020 project devoted to identify solutions and to satisfy emerging needs of the European Earth Observation (EO) market. In ...
  • Preliminary end- to-end results of the MIR instrument: the microwave interferometric reflectometer 

    Onrubia Ibáñez, Raúl; Pascual, D.; Querol Borràs, Jorge; Hyuk, Park; Camps Carmona, Adriano José; Rudiger, Christoph; Walker, Jeffrey (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Global Navigation Satellite Systems - Reflectometry (GNSS-R) has shown his potential for remote sensing. Since new wider band signals are being broadcasted, and new systems are becoming available, a performance comparison ...

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