Enviaments recents

  • Incorporation of acoustic sensors in the regulation of a mobile robot 

    Luna Aguilar, Christian Alejandro; Morales Diaz, América; Castelán, Mario; Nadeu Camprubí, Climent (2019-01-17)
    Article
    Accés restringit per política de l'editorial
    This article introduces the incorporation of acoustic sensors for the localization of a mobile robot. The robot is considered as a sound source and its position is located applying a Time Delay of Arrival (TDOA) method. ...
  • Spatial mode detection by frequency upconversion 

    Sephton, Bereneice; Vallés Marín, Adam; Steinlechner, Fabian; Konrad, Thomas; Pérez Torres, Juan; Roux, Filippus S.; Forbes, Andrew (2019-02-01)
    Article
    Accés obert
    The efficient creation and detection of spatial modes of light has become topical of late, driven by the need to increase photon bit-rates in classical and quantum communications. Such mode creation/detection is traditionally ...
  • Tutorial on remote sensing using GNSS bistatic radar of opportunity 

    Zavorotny, Valery U.; Gleason, Scott; Cardellach Galí, Estel; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers, 2014-12)
    Article
    Accés restringit per política de l'editorial
    In traditional GNSS applications, signals arriving at a receiver's antenna from nearby reflecting surfaces (multipath) interfere with the signals received directly from the satellites which can often result in a reduction ...
  • Selection of the key earth observation sensors and platforms focusing on applications for Polar Regions in the scope of Copernicus system 2020-2030 

    Lancheros Sepulveda, Estefany Maria; Camps Carmona, Adriano José; Hyuk, Park; Rodríguez, Pedro; Tonetti, Stefania; Cote, Judith; Pierotti, Stéphane (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-01)
    Article
    Accés obert
    An optimal payload selection conducted in the frame of the H2020 ONION project (id 687490) is presented based on the ability to cover the observation needs of the Copernicus system in the time period 2020–2030. Payload ...
  • Sub-nanosecond tuning of microwave resonators fabricated on ruddlesden–popper dielectric thin films 

    Hagerstrom, A. M.; Lu, Xifeng; Dawley, Natalie M.; Mateu Mateu, Jordi (Wiley, 2018-08-01)
    Article
    Accés restringit per política de l'editorial
    Voltage-tunable dielectric materials are widely used for microwave-frequency signal processing. Among tunable dielectric thin films, (SrTiO3)nSrO Ruddlesden–Popper (RP) superlattices have exceptionally low loss at high ...
  • Topological properties of bound states in the continuum in geometries with broken anisotropy symmetry 

    Mukherjee, Samyobrata; Gomis Bresco, Jordi; Pujol Closa, Pilar; Artigas García, David; Torner Sabata, Lluís (2018-12-18)
    Article
    Accés obert
    Waveguiding structures made of anisotropic media support bound states in the continuum (BICs) that arise when the radiation channel of otherwise semileaky modes is suppressed. Hitherto, only structures with optical axes ...
  • Atmospheric artifacts correction with a covariance-weighted linear model over mountainous regions 

    Hu, Zhongbo; Mallorquí Franquet, Jordi Joan; Fan, Hongdong (Institute of Electrical and Electronics Engineers (IEEE), 2018-12-01)
    Article
    Accés obert
    Mitigating the atmospheric phase delay is one of the largest challenges faced by the differential synthetic aperture radar (SAR) interferometry community. Recently, many publications have studied correcting the stratified ...
  • Independent digital predistortion parameters estimation using adaptive principal component analysis 

    López Bueno, David; Pham, Thi Quynh Anh; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (IEEE Microwave Theory and Techniques Society, 2018-01-01)
    Article
    Accés obert
    This paper presents an estimation/adaptation method based on the adaptive principal component analysis (APCA) technique to guarantee the identification of the minimum necessary parameters of a digital predistorter. The ...
  • Projection to latent spaces disentangles specific cerebral morphometric patterns associated to aging and preclinical AD”, 

    Casamitjana Díaz, Adrià; Petrone, Paula; Artigues, Miquel; Molinuevo, Jose Luis; Gispert, Juan Domingo; Vilaplana Besler, Verónica (Elsevier, 2018)
    Article
    Accés restringit per política de l'editorial
  • Characteristic brain volumetric changes in the AD preclinical signature 

    Petrone, Paula; Casamitjana Díaz, Adrià; Falcón, Carlos; Artigues, Miquel; Operto, Grégory; Skouras, Stavros; Cacciaglia, Raffaele; Molinuevo, Jose Luis; Vilaplana Besler, Verónica; Gispert, Juan Domingo; Salvado, Gemma (Elsevier, 2018)
    Article
    Accés restringit per política de l'editorial
  • MRI-based screening of preclinical Alzheimer's disease for prevention clinical trials 

    Casamitjana Díaz, Adrià; Petrone, Paula; Tucholka, Alan; Falcón, Carlos; Skouras, Stavros; Molinuevo, José Luis; Vilaplana Besler, Verónica; Gispert, Juan Domingo (IOS Press, 2018)
    Article
    Accés obert
    The identification of healthy individuals harboring amyloid pathology represents one important challenge for secondary prevention clinical trials in Alzheimer’s disease (AD). Consequently, noninvasive and cost-efficient ...
  • Partial least squares identification of multi look-up table digital predistorters for concurrent dual-band envelope tracking power amplifiers 

    Pham, Thi Quynh Anh; López Bueno, David; Wang, Teng; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (IEEE Microwave Theory and Techniques Society, 2018-08-02)
    Article
    Accés obert
    This paper presents a technique to estimate the coefficients of a multiple-look-up table (LUT) digital predistortion (DPD) architecture based on the partial least-squares (PLS) regression method. The proposed 3-D distributed ...

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