Ara es mostren els items 5579-5598 de 110044

  • A multivariate model of NW Mediterranean extreme events at present and future climate: hydrodynamics, energy and duration 

    Lin Ye, Jue; García León, Manuel; Gracia Garcia, Vicente; Sánchez-Arcilla Conejo, Agustín (International Association for Mathematical Geosciences (IAMG), 2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A statistical model of the future wave-extreme-climate under the RCP8.5 Climatic-Change scenario was required. Some variables of interest are energy, unitary energy, peak wave-period, duration, wave direction and growth-decay ...
  • A multivariate neural network approach to tourism demand forecasting 

    Claveria, Oscar; Monte Moreno, Enrique; Torra, Salvador (2013-12-04)
    Report de recerca
    Accés obert
    This study compares the performance of different Artificial Neural Networks models for tourist demand forecasting in a multiple-output framework. We test the forecasting accuracy of three different types of architectures: ...
  • A multivariate statistical model of extreme events: an application to the Catalan coast 

    Lin Ye, Jue; García León, Manuel; Gracia Garcia, Vicente; Sánchez-Arcilla Conejo, Agustín (2016-11)
    Article
    Accés obert
    Wave extreme events can be understood as the combination of Storm-intensity, Directionality and Intra-time distribution. However, the dependence structure among these factors is still unclear. A methodology has been developed ...
  • A multi-version algorithm for cooperative edition of hierarchically-structured documents 

    Ribó, Josep Maria; Franch Gutiérrez, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2001)
    Text en actes de congrés
    Accés obert
    Several approaches do exist to solve the problem of editing a text document cooperatively in real time. We believe that those approaches could be improved in two ways: (1) preserving the intention of the participants in a ...
  • Amygdalin analogues inhibit INF-gamma signalling reducing inflammatory response in human keratinocytes (HaCat) 

    Paoletti, Iole; De Gregorio, Vicenza; Baroni, Adone; Tufano, Maria Antonieta; Donnarumma, Giovanna; Pérez González, Juan Jesús (2013-12-02)
    Article
    Accés restringit per política de l'editorial
    Peptide T (PT), an octapeptide fragment located in the V2 region of the HIV-1 gp120- coating protein, appears to be bene fi cial in the treatment of psoriasis. Our previous investigations suggest that keratinocytes ...
  • Ana Badía : portfolio : arquitectura 2010-2016. Academic essay : mirada a través del Grau en Estudis d'Arquitectura. 

    Badía Alzuria, Ana (Universitat Politècnica de Catalunya, 2016-06)
    Treball Final de Grau
    Accés obert
  • An abstraction methodology for the evaluation of multi-core multi-threaded architectures 

    Zilan, Ruken; Verdú Mulà, Javier; García Vidal, Jorge; Nemirovsky, Mario; Milito, Rodolfo; Valero Cortés, Mateo (IEEE Computer Society Publications, 2011)
    Text en actes de congrés
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    As the evolution of multi-core multi-threaded processors continues, the complexity demanded to perform an extensive trade-off analysis, increases proportionally. Cycle-accurate or trace-driven simulators are too slow to ...
  • An abstract semantic framework for mobile component systems based on graph transformation (Extended abstract) 

    Mylonakis Pascual, Nicolás; Orejas Valdés, Fernando (2005-12)
    Report de recerca
    Accés obert
    The aim of this work is the definition of a generic framework for the modelling and development of component-based distributed applications with mobile processes in the internet. We describe component systems as typed ...
  • An accessible interface for programming an assistive robot 

    Victores, Juan G.; Morante, Sergio; Jardón Huete, Alberto; Balaguer, Carlos (C, 2014)
    Article
    Accés obert
    In this paper, we present an accessible interface in the context of our work on bringing advanced robotics closer to everyday domestic users. This interface allows inexperienced users to be capable of programming ...
  • An accounting system to support process improvements: transition to lean accounting 

    Ruiz de Arbulo-López, Patxi; Fortuny i Santos, Jordi (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2010-12)
    Article
    Accés obert
    From the last two decades of the 20th Century on, many companies have adopted production strategies that could be termed “lean manufacturing”. Lean team leaders state that traditional costing systems fail to properly assess ...
  • An accurate and Verilog-A compatible compact model for graphene field-effect transistors 

    Landauer, Gerhard Martin; González Jiménez, José Luis; Jiménez Jiménez, David (2014-06-04)
    Article
    Accés restringit per política de l'editorial
    The present paper provides an accurate drift-diffusion model of the graphene field-effect transistor (GFET). A precise yet mathematically simple current-voltage relation is derived by focusing on device physics at energy ...
  • An accurate FIC-FEM formulation for the 1D convection-diffusion-reaction equation 

    Oñate Ibáñez de Navarra, Eugenio; Miquel Canet, Juan; Nadukandi, Prashanth (2016-01)
    Article
    Accés obert
    In this paper we present an accurate stabilized FIC-FEM formulation for the 1D advection-diffusion-reaction equation in the exponential and propagation regimes using two stabilization parameters. Both the steady-state and ...
  • An acoustic valve within the nose of sperm whales Physeter macrocephalus 

    Huggenberger, Stefan; André, Michel; Oelschläger, Helmut A. (2014-04-01)
    Article
    Accés restringit per política de l'editorial
    Sperm whales Physeter macrocephalus emit impulsive sound signals in short series of rhythmic clicks (codas) for communication, and in long series of single acoustic events (usual clicks) for echolocation. Both click types ...
  • An acousto-ultrasonics pattern recognition approach for damage detection in wind turbine structures 

    Anaya Vejar, Maribel; Tibaduiza Burgos, Diego Alexander; Forero, Edwin; Castro, Rafael; Pozo Montero, Francesc (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Comunicació de congrés
    Accés obert
    The design of a Structural Health Monitoring (SHM) systems is a requirement in the task of improving the safety and maintainability of the structures. Among the multiple techniques available for health monitoring, ...
  • An active power self-synchronizing controller for grid-connected converters emulating inertia 

    Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Renewable energy sources are increasing their penetration in power systems, making necessary new control systems that offer services usually provided only by conventional generators. In this paper, an active power controller ...
  • An active power synchronization control loop for grid-connected converters 

    Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The increasing penetration of renewable energy sources in power systems requires new control systems that provide services similar to those of conventional generators. This paper proposes an active power controller that ...
  • An active power synchronizing controller for grid-connected power converters with configurable natural droop characteristics 

    Zhang, Weiyi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Improving the dynamics of the widely applied gridconnected power converters has been drawing a lot of interests in recent years. Since the currently installed grid-connected converters doesn’t shown inertia effect in power ...
  • An adaptative deterministic sequence for sampling-based motion planners 

    Rosell Gratacòs, Jan; Iñíguez Galbete, Pedro (2004-09)
    Report de recerca
    Accés obert
    This paper presents a deterministic sequence with good and useful features for sampling-based motion planners, On the one hand, the proposed sequence is able to generate samples over a hierarchical grid structure of the ...
  • An adaptative fuzzy logic enhancer for rejection of narrowband interference in DS-Spread Spectrum 

    Pérez Neira, Ana Isabel; Antón Haro, Carles; Lagunas Hernandez, Miguel A. (1998)
    Text en actes de congrés
    Accés obert
    This work develops a novel adaptive fuzzy line enhancer that, based on a fuzzy basis function expansion, successfully solves the non-linear problem of narrowband interference estimation and rejection in direct sequence-spread ...
  • An adaptative user interface for genealogical document transcription 

    Mayol Sarroca, Enric (Information Science Reference, 2011)
    Capítol de llibre
    Accés restringit per política de l'editorial
    Lately, genealogy has become a hobby not only in the United States, UK or France but also in many other countries where it is now widespread. The main sources of information for genealogists are different kinds of genealogical ...