Ara es mostren els items 5698-5717 de 90077

  • An analysis of Regenerator Placement strategies for a Translucent OBS network architecture 

    Pedrola Escribà, Òscar; Careglio, Davide; Klinkowski, Miroslaw; Solé Pareta, Josep (2010-09-28)
    Report de recerca
    Accés obert
    Most research works in optical burst switching (OBS) networks do not take into account the impact of physical layer impairments (PLIs) either by considering fully transparent (i.e., using optical 3R regeneration) or opaque ...
  • An analysis of selection sort using recurrence relations 

    Ferri, Francesc J.; Albert, Jesús V. (Institut d'estadística de Catalunya, 1996)
    Article
    Accés obert
    This paper presents a method for obtaining the expected number of data movements executed by the well-known Selection sort algorithm along with its corresponding variance. The approach presented here requires hardly any ...
  • An Analysis of Space-Time codes/channel codes combination 

    Carrasco Reyes, Rocío (Universitat Politècnica de Catalunya, 2014-09-12)
    Projecte/Treball Final de Carrera
    Accés obert
    [ANGLÈS] In wireless communications are used several techniques to improve the reliability of transmitted data. Space-time coding technique (as Alamouti scheme) is one of them. This technique does not necessarily lead to ...
  • An analysis of the aerodynamic performances of an ancient Spanish windmill 

    Sanchez Gil, Eva (Universitat Politècnica de Catalunya, 2014-07-11)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    The windmill generates power by extracting part of the kinetic energy of the wind, and it was aimed to satisfy the basic needs on XVIII and XIX century in Southern Spain. Wind power has been used as long as humans have put ...
  • An analysis of the design and assembly of the AAR tri-axial machine 

    Stokes, Jonathan (Universitat Politècnica de Catalunya, 2011-06-21)
    Tesina
    Accés obert
    The following work is an analysis of the design and reassembly of a tri-axial machine in the laboratory at UPC designed to test the expansive alkali-silica reactions that can occur in concrete under various conditions. The ...
  • An analysis of the perceived difficulties arising during the process of integrating management systems 

    Abad Puente, Jesús; Ricardo-Cabrera, Henrry; Medina-León, Alberto (OmniaScience, 2016-10)
    Article
    Accés obert
    Purpose: This study empirically scrutinises the difficulties that result from the integration of management systems and analyses the role of strategic actions and organisational factors on the difficulties-integration ...
  • An analysis of the perceived difficulties arising during the process of integrating management systems 

    Abad Puente, Jesús; Cabrera, Henrry Ricardo; Medina, Alberto (Universitat Politècnica de Catalunya. Departament d'Organització d'Empreses (OE), 2016)
    Article
    Accés obert
    Purpose: This study empirically scrutinises the difficulties that result from the integration of management systems and analyses the role of strategic actions and organisational factors on the difficulties-integration ...
  • An analysis of Twitter corpora and the differences between formal and colloquial tweets 

    González Bermúdez, Meritxell (CEUR-WS.org, 2015)
    Text en actes de congrés
    Accés obert
    This work reviews recent publications addressing the Twitter translation task, and highlights the lack of appropriate corpora that represents the colloquial language used in Twitter. It also discusses the most well-know ...
  • An analysis of two-phase flows in conditions relevant to microgravity 

    Arias Calderón, Santiago (Universitat Politècnica de Catalunya, 2011-09-23)
    Tesi
    Accés obert
    Promising technological applications of two-phase flows in space have captured the increasing interest of the space sector, provoking a strong demand for more fundamental knowledge. Great efforts have been made in recent ...
  • An analysis pattern for electronic marketplaces 

    Queralt Calafat, Anna; Teniente López, Ernest (2004-02)
    Report de recerca
    Accés obert
    An electronic marketplace supports the interaction among different users to exchange information about products to sell and buy. Significance of electronic marketplaces is given by the huge amount of web sites that are ...
  • An analytic-numerical method of computation of the Liapunov and period constants derived from their algebraic structure 

    Gasull Embid, Armengol; Guillamon Grabolosa, Antoni; Mañosa Fernández, Víctor (1996)
    Article
    Accés obert
    We consider the problem of computing the Liapunov and the period constants for a smooth differential equation with a non degenerate critical point. First, we investigate the structure of both constants when they are ...
  • An analytical approach to codimension-2 sliding bifurcations in the dry friction oscillator 

    Martínez-Seara Alonso, M. Teresa; Guàrdia Munarriz, Marcel; Hogan, S. John (2010)
    Article
    Accés restringit per política de l'editorial
    In this paper, we analytically consider sliding bifurcations of periodic orbits in the dry-friction oscillator. The system depends on two parameters: F, which corresponds to the intensity of the friction, and ω, the ...
  • An analytical approach to the thermal design of a doubled sided linear switched reluctance motor 

    Garcia Amoros, Jordi; Andrada Gascón, Pedro; Blanqué Molina, Balduino (2011)
    Comunicació de congrés
    Accés obert
    The purpose of this paper is to provide an analytical approach to the thermal behavior of a longitudinal flux flat linear switched reluctance motor (LSRM) suitable for the early stages of motor design. The approach uses a ...
  • An Analytical hierarchy process model for the evaluation of college 

    Yin, Qingli (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-09)
    Article
    Accés obert
    Taking into account the characteristcs of college experimental teaching, through investgaton and analysis, evaluaton indices and an Analytcal Hierarchy Process (AHP) model of experimental teaching quality have been established ...
  • An analytical model for GMPLS control plane resilience quantification 

    Ruiz, M; Perelló Muntan, Jordi; Velasco Esteban, Luis Domingo; Spadaro, Salvatore; Comellas Colomé, Jaume (2009-12)
    Article
    Accés obert
    This paper concentrates on the resilience of the Generalized Multi-Protocol Label Switching (GMPLS) enabled control plane. To this end, the problem of control plane resilience in GMPLS-controlled networks is firstly stated ...
  • An analytical model for Loc/ID mappings caches 

    Coras, Florin-Tudorel; Domingo Pascual, Jordi; Lewis, Darrel; Cabellos Aparicio, Alberto (2016-02)
    Article
    Accés obert
    Concerns regarding the scalability of the interdomain routing have encouraged researchers to start elaborating a more robust Internet architecture. While consensus on the exact form of the solution is yet to be found, the ...
  • An analytical model for the assessment of airline expansion strategies 

    Emboaba Moreira, Mauricio (Escola Tècnica Superior d'Enginyeries Industrial i Aeronàutica de Terrassa. Universitat Politècnica de Catalunya, 2014)
    Article
    Accés obert
    Purpose: The purpose of this article is to develop an analytical model to assess airline expansion strategies by combining generic business strategy models with airline business models. Design/methodology: A number of ...
  • An analytical solution to study substrate-microbial dynamics in soils 

    Sánchez Vila, Francisco Javier; Rubol, Simonetta; Carles Brangari, Albert; Fernández García, Daniel (Elsevier, 2013-04)
    Article
    Accés restringit per política de l'editorial
    We provide an approximate analytical solution for the substrate-microbial dynamics of the organic carbon cycle in natural soils under hydro-climatic variable forcing conditions. The model involves mass balance in two carbon ...
  • An analytical view of static intercell interference coordination techniques in OFDMA networks 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Olmos Bonafé, Juan José (IEEE, 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a novel methodology to assess the downlink performance of static intercell interference coordination techniques in the context of OFDMA-based cellular networks. In the last few years, interference ...
  • An analyzable memory controller for hard real-time CMPs 

    Paolieri, Marco; Quiñones, Eduardo; Cazorla Almeida, Francisco Javier; Valero Cortés, Mateo (2010-02-05)
    Article
    Accés obert
    Multicore processors (CMPs) represent a good solution to provide the performance required by current and future hard real-time systems. However, it is difficult to compute a tight WCET estimation for CMPs due to interferences ...