Enviaments recents

  • Walking solitons 

    Torner Sabata, Lluís; Santos Blanco, M. Concepción; Mihalache, Dumitru; Mazilu, D; Crasovan, L C (1997-12)
    Article
    Accés restringit per política de l'editorial
    By and large, optical
  • Superconductividad: historia y fundamentos 

    O'Callaghan Castellà, Juan Manuel (1996-12)
    Article
    Accés obert
  • CI de microondas. Aplicaciones y mercado 

    Artal, Eduardo; Comerón Tejero, Adolfo; Corbella Sanahuja, Ignasi (1988-10)
    Article
    Accés obert
  • The use of rapid prototyping techniques (RPT) to manufacture micro channels suitable for high operation pressures and uPIV 

    Farré Lladós, Josep; Casals Terré, Jasmina; Voltas Aguilar, Jordi; G. Westerberg, Lars (2016)
    Article
    Accés restringit per política de l'editorial
    This paper aims to present a new methodology to manufacture micro-channels suitable for high operating pressures and micro particle image velocimetry (µPIV) measurements using a rapid-prototyping high-resolution 3D printer. ...
  • 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
    Accés restringit per política de l'editorial
    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 ...
  • Nodal sampling: a new image reconstruction algorithm for SMOS 

    Gonzalez Gambau, Verónica; Turiel, Antonio; Olmedo Casal, Estrella; Martinez, Justino; Corbella Sanahuja, Ignasi; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016-04-01)
    Article
    Accés obert
    Soil moisture and ocean salinity (SMOS) brightness temperature (TB) images and calibrated visibilities are related by the so-called G -matrix. Due to the incomplete sampling at some spatial frequencies, sharp transitions ...
  • CI de microondas. Tecnologías 

    Artal, Eduardo; Comerón Tejero, Adolfo; Corbella Sanahuja, Ignasi (1988-09)
    Article
    Accés obert
    Los circuitos integrados monolíticos de microondas presentan ventajas potenciales respecto de los circuitos híbridos habituales en cuanto a fiabilidad, reducido tamaño y peso, banda ancha y bajo coste. Se describe el estado ...
  • Full wave analysis of the image hybrid dielectric/HTS resonator 

    Sans, C; O'Callaghan Castellà, Juan Manuel; Sancho, D; Pous Andrés, Rafael; Fontcuberta, J; Ji-Fuh, Liang; Guo-Chun, Liang (Institution of Electrical Engineers, 1997-06)
    Article
    Accés obert
    An analysis of the image hybrid dielectric/HTS resonator is carried out. A full-wave radial mode-matching method is used to obtain the electromagnetic fields inside the resonator for single TE01 and dual HE11 modes. The ...
  • Optimum carrier to signal power ratio for remote heterodyne DD-OFDM in PONs 

    Cano Valadéz, Iván Nicolás; Santos Blanco, M. Concepción; Prat Gomà, Josep Joan (2013-07)
    Article
    Accés restringit per política de l'editorial
    The carrier to signal power ratio (CSPR) in a directdetection optical orthogonal frequency division multiplexing (OFDM) system based on remote heterodyne scheme is optimized in a passive optical network (PON) downlink. ...
  • Closed-form expressions for the optimization of high speed electro-optical modulators 

    Ibarra Fusté, Jose Antonio; Santos Blanco, M. Concepción (2013-07)
    Article
    Accés restringit per política de l'editorial
    Compact closed-form mathematical expressions for the propagation parameters (characteristic impedance, effective permittivity and attenuation) of coplanar waveguides (CPW) are presented. The formulas take into account ...

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