Now showing items 38385-38404 of 78940

  • Hardware-Accelerated neural network 

    Expósito Piñol, Luis (Universitat Politècnica de Catalunya, 2016-04-21)
    Master thesis
    Open Access
    This work presents a parametrizable design of a neural network on an FPGA, being trained previously in the CPU using backpropagation. We test different configurations and report delay, power and area.
  • Hardware-efficient implementation of a femtocell/macrocell interference-mitigation technique for high-performance LTE-based systems 

    Font Bach, Oriol; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; Payaró Llisterri, Miquel (2013)
    Conference report
    Restricted access - publisher's policy
    This paper presents the FPGA design of an interference-aware digital front end tailored for heterogeneous multi-cell LTE-based systems. A resource-optimized RTL architecture has been implemented and validated under realistic ...
  • Hardware-Software Co-Design for Fingerprint Biometric Identification 

    Unknown author (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems. Technical University of Catalonia (UPC)., 2005-04-01)
    Article
    Open Access
    This paper describes the design of a specific architecture for fingerprint identification based on a hardware-software co-design. This work summarizes the main stages involved in a classical fingerprint feature extraction ...
  • Hardware-software co-design of an iris recognition algorithm 

    López García, Mariano; Daugman, J.; Canto Navarro, Enrique Fernando (2011-04-07)
    Article
    Open Access
    This paper describes the implementation of an iris recognition algorithm based on hardware-software co-design. The system architecture consists of a general-purpose 32- bit microprocessor and several slave coprocessors ...
  • Hardware-software coherence protocol for the coexistence of caches and local memories 

    Álvarez, Lluc; Vilanova, Lluís; González Tallada, Marc; Martorell Bofill, Xavier; Navarro, Nacho; Ayguadé Parra, Eduard (2015-01-01)
    Article
    Open Access
    Cache coherence protocols limit the scalability of multicore and manycore architectures and are responsible for an important amount of the power consumed in the chip. A good way to alleviate these problems is to introduce ...
  • Hardware/software mechanisms for protecting an IDS against algorithmic complexity attacks 

    Sreekar Shenoy, Govind; Tubella Murgadas, Jordi; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    Intrusion Detection Systems (IDS) have emerged as one of the most promising ways to secure systems in the network. An IDS like the popular Snort[17] detects attacks on the network using a database of previous attacks. So ...
  • Hardware/software-based diagnosis of load-store queues using expandable activity logs 

    Carretero Casado, Javier Sebastián; Vera Rivera, Francisco Javier; Abella Ferrer, Jaume; Ramírez García, Tanausu; Monchiero, Matteo; González Colás, Antonio María (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
    Conference report
    Restricted access - publisher's policy
    The increasing device count and design complexity are posing significant challenges to post-silicon validation. Bug diagnosis is the most difficult step during post-silicon validation. Limited reproducibility and low testing ...
  • Harmonic balance algorithm to model nonlinear effects in HTS filters subject to CDMA signals 

    Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; O'Callaghan Castellà, Juan Manuel (Institute of Electrical and Electronics Engineers, 2003-06)
    Conference report
    Open Access
    We discuss an harmonic balance algorithm to analyze High Temperature Superconducting (HTS) circuits subject to wideband signals, such as the ones used in CDMA wireless systems. Undersampling is used to discretize and ...
  • Harmonic balance algorithms for the nonlinear simulation of HTS devices 

    Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Parrón Granados, Josep; Pons, J.; O'Callaghan Castellà, Juan Manuel; Rius Casals, Juan Manuel (KLUWER ACADEMIC/PLENUM PUBL, 2001-02-28)
    Article
    Open Access
    This paper describes the application of Harmonic Balance algorithms to predict nonlinear effects in planar High Temperature Superconductors (HTS) microwave circuits. The resulting algorithms are fast and efficient and can ...
  • Harmonic balance-based control of a boost DC/AC converter 

    Olm Miras, Josep Maria; Biel Solé, Domingo; Spinetti Rivera, Mario de Jesús; Fossas Colet, Enric (2012-08)
    Article
    Open Access
    The achievement of step-up inversion with a boost DC/AC converter requires appropriate periodic references for inductor currents, which have to satisfy ordinary differential equations (ODE) of the Abel type. These are ...
  • Harmonic compensation analysis in offshore wind power plants using hybrid filters 

    Hasan, Khurshid N Md; Kalle, Rauma; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2014-05-16)
    Article
    Restricted access - publisher's policy
    The harmful effects of harmonics are an important issue in wind power plants (WPPs), especially in offshore applications. In offshore WPPs, the wind turbines are linked to the network through high-power converters that ...
  • Harmonic generation in metallic, GaAs-filled nanocavities in the enhanced transmission regime at visible and UV wavelengths 

    Vincenti, M. A.; de Ceglia, D.; Roppo, Vito; Scalora, M. (2011-01-19)
    Article
    Open Access
    We have conducted a theoretical study of harmonic generation from a silver grating having slits filled with GaAs. By working in the enhanced transmission regime, and by exploiting phase-locking between the pump and its ...
  • Harmonic impedance spectra identification from time-varying bioimpedance : Theory and validation 

    Sánchez Terrones, Benjamín; Louarroudi, Ebrahim; Bragós Bardia, Ramon; Pintelon, Rik (IOP PUBLISHING LTD, 2013-10)
    Article
    Restricted access - publisher's policy
    The harmonic impedance spectra (HIS) of a time-varying bioimpedance Z(ω, t ) is a new tool to better understand and describe complex time-varying biological systems with a distinctive periodic character as, for ...
  • Harmonic resonance damping in Wind Power Plant 

    Nisak, Khairul; Rauma, Kalle; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2012)
    Conference report
    Restricted access - publisher's policy
    Harmonic is one of main concern in Wind Power Plant (WPP) as growing usage of power electronic converter is observed. Besides the injection of harmonic by individual wind turbine (WT) as source of harmonic, its propagation ...
  • Harmonic resonances damping using hybrid filter for WPP 

    Nisak, Khairul; Rauma, Kalle; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2012)
    Conference report
    Restricted access - publisher's policy
    Harmonic distortion is one of important factor to consider in power system network. In a big network such as wind power plant (WPP), careful analysis and mitigation steps is essential. Many aspects including resonances ...
  • Harmonisation des procedes technologiques de l'entite assemblage integration et tests 

    Martinez de Mingo, Alejandro (Universitat Politècnica de Catalunya / Institut Supérieur de l’Aéronautique et de l’Espace, 2011)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Dans le cadre de ma formation à l’ISAE-ENSICA et de mon projet de fin d’études, je réalise un stage d’une durée de six mois à EADS Astrium France sur le site de Toulouse Palays. Ce stage a pour but d’acquérir une connaissance ...
  • Harmonization of semantic data models of electric data standards 

    Nieves Sánchez, Juan Carlos; Ortega de Mues, Mariano; Espinoza, Angelina; Rodríguez Álvarez, Daniel (2011)
    Conference report
    Restricted access - publisher's policy
    According to the Electric Power Research Institute (EPRI) a common semantics model is necessary for achieving interoperability in the Smart Grid vision. In this paper, we present an outline of two influential International ...
  • HARNESS del Satèl·lit ESEO acrònim de "European Student Earth Orbiter" 

    Alabart López, Xavier (Universitat Politècnica de Catalunya, 2005-12)
    Master thesis (pre-Bologna period)
    Open Access
  • Harnessing magneto-electric interference to direct light emission with a split-ring resonator 

    Hancu, Ion Michael (Universitat Politècnica de Catalunya, 2012-09-03)
    Master thesis
    Open Access
    [ANGLÈS] Here we show that a split-ring resonator, a structure widely known for its magnetic response at optical frequencies, can be used as a robust, unidirectional and broadband nanoantenna. By customizing its dimensions ...
  • Harry Potter i la mitologia clàssica 

    Montouto Sosa, Anna Belèn (2010-04-27)
    Audiovisual
    Open Access