Now showing items 10481-10500 of 66796

  • Capacitor voltage balance limits in a multilevel-converter-based energy storage system 

    Burusteta, Sendoa; Pou Félix, Josep; Ceballos Recio, Salvador; Marino, Iker; Alzola, José Ángel (2011)
    Conference report
    Open Access
    This paper studies an energy storage system based on a three-level DC-DC converter and a gridconnected neutral-point-clamped inverter. The main advantages of this multilevel power conversion system are highlighted and ...
  • Capacitor voltage balancing in a three-level-converter-based energy storage system 

    Burusteta, Sendoa; Pou Félix, Josep; Ceballos Recio, Salvador; Marino, Iker; Anzola, Jose Angel; Agelidis, Vassilios (2013-10-01)
    Article
    Restricted access - publisher's policy
    This paper discusses a grid-connected energy storage system based on two three-level (3L) converters: a DC-DC one and a neutral-point-clamped inverter. When compared to a system using standard two-level converters, the ...
  • Capacitorless DC-DC regulator as a candidate topology for photovoltaic solar facilities 

    Martínez García, Herminio (2015-03)
    Article
    Open Access
    Linear-assisted DC/DC converters (or linearswitching hybrid DC/DC converters) consist of a voltage linear regulator (classic NPN or nMOS topologies and LDO) connected in parallel with a switching DC/DC converter. They are ...
  • Capacity and coverage trade-off in WCDMA environments with repeaters deployment 

    García Lozano, Mario; Alonso Zárate, Luis Gonzaga; Casadevall Palacio, Fernando José; Ruiz Boqué, Sílvia (WPMC, 2005)
    Conference lecture
    Open Access
    This work derives the analytic expression of the feasibility condition for the uplink of a WCDMA mobile communications system with repeaters deployment in a multiservice environment with a general heterogeneous layout. ...
  • Capacity and coverage tradeoff in WCDMA environments with repeaters deployment 

    García, Lozano M; Alonso Zárate, Luis Gonzaga; Casadevall Palacio, Fernando José; Ruiz Boqué, Sílvia (Institute of Electrical and Electronics Engineers (IEEE), 2005-09-30)
    Conference lecture
    Restricted access - publisher's policy
    This paper derives the analytic expression of the feasibility condition for the uplink of a WCDMA mobile communications system with repeaters in a multiservice environment with a general heterogeneous layout. In particular, ...
  • Capacity and coverage tradeoff in WCDMA environments with repeaters deployment. 

    García Lozano, Mario; Alonso Zárate, Luis Gonzaga; Casadevall Palacio, Fernando José; Ruiz Boqué, Sílvia (2007-02)
    Article
    Open Access
  • Capacity and delay of bacteria-based communication in nanonetworks 

    Mestres Sugrañes, Albert (Universitat Politècnica de Catalunya, 2012-02-10)
    Master thesis (pre-Bologna period)
    Open Access
    English: the objective is to perform a theoretical analysis of the capacity and the delay on flagellated bacteria communication.
  • Capacity and quality effects from installing radiation detection equipment at the land access of a container terminal 

    Morales Fusco, Pau; Saurí Marchán, Sergi; Spuch, Beatriz (2012)
    Conference report
    Restricted access - publisher's policy
    The tragic events of 2001/9/11 threw the United States into a state of anti-terrorism war. From that moment onwards multiple acts, laws and regulations have been approved not only in the US but worldwide aiming to regulate ...
  • Capacity of coherent free-space optical links ¿using diversity-combining techniques: errata 

    Belmonte Molina, Aniceto; Kahn, Joseph M. (2010-08-16)
    Article
    Open Access
  • Capacity of coherent laser downlinks 

    Belmonte Molina, Aniceto (2014-06-01)
    Article
    Restricted access - publisher's policy
    Accurate knowledge of information data capacity between a spacecraft and optical ground stations is of utmost importance for assessing the feasibility of laser downlinks in future high bandwidth communication systems from ...
  • Capacity of MIMO Channels: asymptotic evaluation under correlated fading 

    Mestre Pons, Francesc X.; Rodríguez Fonollosa, Javier; Pagès Zamora, Alba Maria (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-06-30)
    Article
    Open Access
    This paper investigates the asymptotic uniform power allocation capacity of frequency nonselective multiple-input multiple-output channels with fading correlation at either the transmitter or the receiver. We consider ...
  • Capacity planning with competitive decision-makers: trilevel MILP formulation and solution approaches 

    Florensa Campo, Carlos (Universitat Politècnica de Catalunya, 2015-07)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee: Carnegie Mellon University. Center for Advanced Process Decision-making
    Capacity expansion addresses the decision problem of a producer investing on infrastructure intended to fulfill future demand at the highest profit. The simplest formulation of such a problem assumes passive competitors ...
  • Capacity planning with working time accounts in services 

    Corominas Subias, Albert; Olivella Nadal, Jordi; Pastor Moreno, Rafael (2006-10)
    External research report
    Open Access
    This paper presents, formalises and classifies working time accounts (WTA’s), means of achieving flexible production capacity through the flexible organization of working time. We propose linear programming models to plan ...
  • Capacity, fairness, and QoS trade-offs in wireless networks with applications to LTE 

    Bezerra Rodrigues, Emanuel; Lima, Francisco J. M.; Casadevall Palacio, Fernando José; Cavalcanti, Rodrigo (2013-11-01)
    Part of book or chapter of book
    Restricted access - publisher's policy
    Wireless mobile network optimization is a complex task that consists in achieving different design objectives such as spectral efficiency, energy efficiency, fairness, and quality of service. Radio resource allocation is ...
  • Capas de CulnSe2 para células solares: análisis por espectroscopia Raman de capas pobres en Cu 

    Arias Montenegro, Francisco Javier (Universitat Politècnica de Catalunya, 2009-06)
    Master thesis (pre-Bologna period)
    Open Access
    En este trabajo se presenta un estudio mediante espectroscopía Raman de capas CuInSe2 sintetizadas en condiciones de defecto de Cu, en función de su composición. El interés del estudio viene motivado por el potencial de ...
  • Capes primes, transparents i flexibles de nanotubs de carboni: impedància elèctrica i xarxes aleatòries 

    Pérez Puigdemont, Jordi (Universitat Politècnica de Catalunya, 2010-06-04)
    Master thesis (pre-Bologna period)
    Open Access
  • CAPEX study for grid dependent multi-layer IP/MPLS-over-EON using relative BV-WSS costs 

    Pedrola Escribà, Òscar; Velasco Esteban, Luis Domingo; Fernández-Palacios, Juan Pedro; Castro Casales, Alberto; Careglio, Davide; Junyent Giralt, Gabriel (2012)
    Conference report
    Open Access
    The impact of the frequency grid on the CAPEX required to deploy a multi-layer IP/MPLS-over-EON is analyzed. Results showing significant savings at the electronic layer motivate the introduction of narrower grids with ...
  • La capilla de la Universidad Laboral de A Coruña : del proyecto original a la pérdida del espacio de culto 

    Río Vázquez, Antonio S. (ADIPPACOAC, 2014-12)
    Conference lecture
    Open Access
    Las Universidades Laborales son centros educativos promovidos por el Ministerio de Trabajo durante la segunda mitad del siglo veinte destinados a la formación de los jóvenes en la triple dimensión humana, técnica y ...
  • Capital budgeting problems with fuzzy cashflows 

    Carlsson, Christer; Fuller, Robert (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1999)
    Article
    Open Access
    We consider the {\em internal rate of return} (IRR) decision rule in capital budgeting problems with fuzzy cash flows. The possibility distribution of the IRR at any $r\geq0$,is defined to be the degree of possibility ...
  • Capital instrumental: el garrote y la piedra de la Nueva Economía 

    Ureña, Gabriel Valerio (Intangible Capital, 2005-01)
    Article
    Open Access
    A través de la historia de la humanidad, desde nuestros primeros ancestros, las herramientas han representado la posibilidad de alcanzar objetivos que están más allá de nuestro alcance. En la llamada Nueva Economía, donde ...