Recent Submissions

  • Radio-frequency interference location, detection and classification using deep neural networks 

    Pérez Portero, Adrián; Querol Borràs, Jorge; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Open Access
    Global Navigation Satellite System (GNSS) signals are used in Earth Observation for Radio Occultation and Reflectometry. The increasing effects of Radio-Frequency Interferences (RFI) on the performance of these receivers ...
  • Snow and ice thickness retrievals using GNSS-R: Preliminary results of the mosaic experiment 

    Muñoz Martin, Joan Francesc; Pérez Portero, Adrián; Camps Carmona, Adriano José; Ribó Vedrilla, Serni; Cardellach Galí, Estel; Stroeve, Julienne; Nandan, Vishnu; Itkin, Polona; Tonboe, Rasmus; Hendricks, Stefan; Huntemann, Marcus; Spreen, Gunnar; Pastena, Massimiliano (Multidisciplinary Digital Publishing Institute (MDPI), 2020-12-02)
    Article
    Open Access
    The FSSCat mission was the 2017 ESA Sentinel Small Satellite (S^3) Challenge winner and the Copernicus Masters competition overall winner. It was successfully launched on 3 September 2020 onboard the VEGA SSMS PoC (VV16). ...
  • Concept design of a multiwavelength aerosol lidar system with mitigated diattenuation effects and depolarization-measurement capability 

    Comerón Tejero, Adolfo; Sicard, Michaël; Vidal Calvo, Eric; Barragán Cuesta, Rubén; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Tiana Alsina, Jordi; Rocadenbosch Burillo, Francisco; García Vizcaíno, David (EDP Sciences, 2015)
    Conference lecture
    Open Access
    It is known that the retrieval of aerosol extinction and backscatter coefficients from lidar data acquired through so-called total-power channels – intended to measure the backscattered power irrespective of the polarization ...
  • Low-rank data matrix recovery with missing values and faulty sensors 

    Lopez Valcarce, Roberto; Sala Álvarez, José (2019)
    Conference lecture
    Open Access
    In practice, data gathered by wireless sensor networks often belongs in a low-dimensional subspace, but it can present missing as well as corrupted values due to sensor malfunctioning and/or malicious attacks. We study the ...
  • Estimation of polar depletion regions by VTEC contrast and watershed enhancing 

    Monte Moreno, Enrique; Hernández Pajares, Manuel; Lyu, Haixia; Yang, Heng; Aragon-Angel, Angela (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Article
    Open Access
    This article presents a method for determining near-Pole ionization depletion regions and troughs from global navigation satellite system (GNSS) vertical total electron content (VTEC) maps. To define the regions, we use ...
  • A model-free four component scattering power decomposition for polarimetric SAR data 

    Dey, Subhadip; Bhattacharya, Avik; Frery, Alejandro C.; López Martínez, Carlos; Rao, Yalamanchili S. (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Article
    Open Access
    Target decomposition methods of polarimetric Synthetic Aperture Radar (PolSAR) data explain scattering information from a target. In this regard, several conventional model-based methods utilize scattering power components ...
  • Urban applications 

    Colin-Koeniguer, Elise; Trouve, Nicolas; Yamaguchi, Yoshio; Huang, Yue; Ferro Famil, Laurent; Navarro Sánchez, Víctor Diego; López Sánchez, Juan Manuel; Monells Miralles, Daniel; Iglesias González, Rubén; Fabregas Canovas, Francisco Javier; Mallorquí Franquet, Jordi Joan; Aguasca Solé, Alberto; López Martínez, Carlos (Springer, 2021)
    Part of book or chapter of book
    Open Access
    The experimental result reported in this chapter review the application of (high resolution) Synthetic Aperture Radar (SAR) data to extract valuable information for monitoring urban environments in space and time. Full ...
  • Optical power budget enhancement in 50-90 Gb/s IM-DD PONs with NOMA-CAP and SOA-Based amplification 

    Delgado Mendinueta, José Manuel; Altabas, Jose Antonio; Spadaro, Salvatore; Shinada, Satoshi; Furukawa, Hideaki; Vegas Olmos, Juan José; Lázaro Villa, José Antonio; Wada, Naoya; Sarmiento Hernández, Samael (2020-05-15)
    Article
    Open Access
    We report experimental results of a semiconductor optical amplifier (SOA) for optical amplification in a 50-90 Gb/s IM-DD optical access system using non-orthogonal multiple access multiplexing combined with multi-band ...
  • 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 ...
  • Estimation of vegetation structure parameters from SMAP radar intensity observations 

    Jagdhuber, Thomas; Montzka, Carsten; López Martínez, Carlos; Baur, Martin J.; Link, Moritz; Piles de la Fuente, María Pilar; Das, Narendra Narayan; Jonard, François (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
    Article
    Open Access
    In this article, we present a multipolarimetric estimation approach for two model-based vegetation structure parameters (shape A and orientation distribution ψ of the main canopy elements). The approach is based on a reduced ...
  • Basic principles of SAR polarimetry 

    López Martínez, Carlos; Pottier, Eric (Springer, 2021)
    Part of book or chapter of book
    Open Access
    This chapter critically summarizes the main theoretical aspects necessary for a correct processing and interpretation of the polarimetric information towards the development of applications of synthetic aperture radar (SAR) ...
  • Frequency domain analysis and filtering of business and consumer survey expectations 

    Claveria González, Oscar; Monte Moreno, Enrique; Torra Porras, Salvador (Elsevier, 2021-08)
    Article
    Restricted access - publisher's policy
    The main objective of this study is two-fold. First, we aim to detect the underlying existing periodicities in business and consumer survey expectations by means of spectral analysis. We use the Welch method to extract the ...

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