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Ara es mostren els items 9913-9932 de 245706

    • Adaptive energy management front-ends for variable-distance assymetric wireless power transfer links 

      Egidos Plaja, Nuria (Universitat Politècnica de Catalunya, 2014-07-22)
      Treball Final de Grau
      Accés obert
      [ANGLÈS] Resonant Inductive Coupling Wireless Power Transfer (RIC-WPT) is a leading field of research due to the growing number of applications that can benefit from this technology: from biomedical implants to consumer ...

    • Adaptive energy management in 5G network slicing: Requirements, architecture, and strategies 

      Tipantuña Tenelema, Christian José; Hesselbach Serra, Xavier (2020-08-02)
      Article
      Accés obert
      Energy consumption is a critical issue for the communications network operators, impacting deeply the cost of the services, as well as the ecological footprint. Network slicing architecture for 5G mobile communications ...

    • Adaptive envelope shaping for low and medium power amplifiers with dynamic supply 

      Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Ruiz Lavin, Maria de las Nieves; García Antón, José A. (2016-07-01)
      Article
      Accés obert
      This letter presents an adaptive envelope shaping (AES) method to linearize low and medium power amplifiers (PAs) with dynamic supply. This straightforward linearization solution results very useful for small cell or handset ...

    • Adaptive estimation of the stable boundary layer height using combined lidar and microwave radiometer observations 

      Saeed, Umar; Rocadenbosch Burillo, Francisco; Crewell, Susanne (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Article
      Accés obert
      A synergetic approach for the estimation of stable boundary-layer height (SBLH) using lidar and microwave radiometer (MWR) data is presented. Vertical variance of the backscatter signal from a ceilometer is ...

    • Adaptive estimation of the stable boundary-layer height using backscatter lidar data and a Kalman filter 

      Saeed, Umar; Rocadenbosch Burillo, Francisco; Crewell, Susanne (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The nocturnal stable boundary-layer height (SBLH) is estimated from the backscatter lidar data by using an adaptive-filtering approach based on an Extended Kalman Filter (EKF). Height-resolved temporal variance of the ...

    • Adaptive estimation of time-varying parameters with application to roto-magnet plant 

      Na, Jing; Xing, Yashan; Costa Castelló, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2021-02-10)
      Article
      Accés obert
      This paper presents an alternative adaptive parameter estimation framework for nonlinear systems with time-varying parameters. Unlike existing techniques that rely on the polynomial approximation of time-varying parameters, ...

    • Adaptive execution environments for application servers 

      Carrera Pérez, David (Universitat Politècnica de Catalunya, 2008-07-08)
      Tesi
      Accés obert
      El creixement experimentat tant per la web com per Internet en els últims anys ha potenciat l'introducció de servidors d'aplicacions dins de la majoria d'entorns d'execució distribuits. El servidors d'aplicacions web porten ...

    • Adaptive fault-tolerant architecture for unreliable device technologies 

      Aymerich, Nivard; Cotofana, Sorin; Rubio Sola, Jose Antonio (CRC Press, Taylor and Francis Group, 2013-06-03)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Nanoelectronic Device Applications Handbook gives a comprehensive snapshot of the state of the art in nanodevices for nanoelectronics applications. Combining breadth and depth, the book includes 68 chapters on topics that ...

    • Adaptive fault-tolerant architecture for unreliable device technologies 

      Aymerich Capdevila, Nivard; Cotofana, Sorin; Rubio Sola, Jose Antonio (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper introduces an efficient adaptive redundant architecture, which makes use of the averaging cell (AVG) principle in order to improve the reliability of nanoscale circuits and systems. We define an adaptive averaging ...

    • Adaptive fault-tolerant architecture for unreliable technologies with heterogeneous variability 

      Aymerich Capdevila, Nivard; Cotofana, Sorin; Rubio Sola, Jose Antonio (2012-07)
      Article
      Accés restringit per política de l'editorial
      This paper introduces an efficient adaptive redundant architecture, which makes use of the averaging cell (AVG) principle in order to improve the reliability of nanoscale circuits and systems. We propose an adaptive structure ...

    • Adaptive feedback control in self-mixing interferometry using active optical elements 

      Atashkhooei, Reza; Zabit, U; Royo Royo, Santiago; Azcona Guerrero, Francisco Javier; Sergievskaya, Irina (Universidad de Murcia, 2011)
      Text en actes de congrés
      Accés obert
      A voltage-controlled liquid lens has been used as an adaptive optical element integrated in a conventional self-mixing interferometry setup. The lens is used to control the optical feedback level and the focus position of ...

    • Adaptive filter solution for processing lidar returns: optical parameter estimation 

      Rocadenbosch Burillo, Francisco; Vázquez Grau, Gregorio; Comerón Tejero, Adolfo (1998-10)
      Article
      Accés restringit per política de l'editorial
      Joint estimation of extinction and backscatter simulated profiles from elastic-backscatter lidar return signals is tackled by means of an extended Kalman filter (EKF). First, we introduced the issue from a theoretical point ...

    • Adaptive Filter Solution For Processing Lidar Returns: Optical Parameter Estimation 

      Rocadenbosch Burillo, Francisco; Vázquez Grau, Gregorio; Comerón Tejero, Adolfo (OPTICAL SOC AMER, 1998-01-31)
      Article
      Accés obert
      Joint estimation of extinction and backscatter simulated profiles from elastic-backscatter lidar return signals is tackled by means of an extended Kalman filter (EKF). First, we introduced the issue from a theoretical point ...

    • Adaptive filtrate: signal processing in the measurement of haemoglobin using non-invasive method. 

      Herruzo Lodeiro, Cristina (Universitat Politècnica de Catalunya, 2014-07-14)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   University of Limerick
      This project is part of another project which is currently running at the University of Limerick (Ireland) and who is objective is to measure the concentration of haemoglobin (Hb) in blood using a non-invasive optical ...

    • Adaptive finite element computations of hypersonic inviscid flows around a doubel ellipsoid 

      Fischer, Thomas B.; Oñate Ibáñez de Navarra, Eugenio (1995)
      Report de recerca
      Accés obert
      This report documents the potential capabilities of adaptive inviscid flow calculations on unstructured meshes in three dimensions using the finite element method. The finite element formulation of the compressible Euler ...

    • Adaptive finite element limit analysis incorporating steady state pore pressures 

      Sloan, Scott W.; Lyamin, Andrei V.; Krabbenhoft, Kristian (CIMNE, 2013)
      Text en actes de congrés
      Accés obert
      This paper describes an adaptive method for incorporating the pore pressures associated with steady-state seepage in finite element limit analysis. The formulation can model both general seepage conditions, and locating ...

    • Adaptive finite element simulation of incompressible flows by hybrid continuous-discontinuous Galerkin formulations 

      Badia, Santiago; Baiges Aznar, Joan (2013-02)
      Article
      Accés obert
      In this work we design hybrid continuous-discontinuous finite element spaces that permit discontinuities on non-matching element interfaces of non-conforming meshes. Then, we develop an equal-order stabilized finite element ...

    • Adaptive finite element simulation of multi-physics turbulent flow with applications in aerodynamics 

      Billon, L.; Mesri, Y.; Hachem, E. (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      The error magnitude and the order of accuracy of a new unsteady Variational MultiScale (VMS) solver are examined. Indeed, while vast majority of industrial simulations today are restricted to only computing a statistical ...

    • Adaptive finite element simulation of stack pollutant emissions over complex terrains 

      Oliver Serra, Albert; Montero Garcia, Gustavo; Montenegro Armas, Rafael; Rodriguez Barrera, Eduardo; Escobar Sánchez, José M.; Pérez Foguet, Agustí (2013-01-01)
      Article
      Accés obert
      A three-dimensional finite element model for the pollutant dispersion is presented. In these environmental processes over a complex terrain, a mesh generator capable of adapting itself to the topographic characteristics ...

    • Adaptive finite element strategies based on error assessment 

      Huerta, Antonio; Rodríguez Ferran, Antonio; Díez, Pedro; Sarrate Ramos, Josep (Wiley and Sons, 1999-09)
      Article
      Accés obert
      Two main ingredients are needed for adaptive finite element computations. First, the error of a given solution must be assessed, by means of either error estimators or error indicators. After that, a new spatial discretization ...