Ara es mostren els items 1693-1712 de 93113

  • A cooperative vehicular network framework 

    Trullols Cruces, Óscar; Morillo Pozo, Julián David; Barceló Ordinas, José María; García Vidal, Jorge (2009)
    Comunicació de congrés
    Accés obert
    Vehicular Ad Hoc Networks are networks characterized by intermittent connectivity and rapid changes in their topology. This paper addresses car-to-road communications in which vehicles use Access Points (AP) in a Delay ...
  • A coordinate atlas of the manifold of observable conditioned invariant subspaces 

    Puerta Sales, Ferran; Puerta Coll, Xavier; Zaballa, Ion (1999)
    Article
    Accés obert
    Given an observable system (C,A)€ K^(mxn)X K^(nxn)with K=R or C, the set of (C,A)-invariant subspaces having the restricted system fixed observability indices is a smooth manifold embedded on the corresponding ...
  • A coordinate-free approach to tracing the coupler curves of pin-jointed linkages 

    Rojas Libreros, Nicolás Enrique; Thomas, Federico (ASME PRESS, 2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In general, high-order coupler curves of plane mechanisms cannot be properly traced by standard predictor-corrector algorithms due to drifting problems and the presence of singularities. Instead of focusing on finding ...
  • A correction on Shiloach's algorithm for minimum linear arrangement of trees 

    Esteban Ángeles, Juan Luis; Ferrer Cancho, Ramon (2017-06-29)
    Article
    Accés obert
    More than 30 years ago, Shiloach published an algorithm to solve the minimum linear arrangement problem for undirected trees. Here we fix a small error in the original version of the algorithm and discuss its effect on ...
  • A Cost analysis of electric vehicle batteries second life businesses 

    Canals Casals, Lluc; Amante García, Beatriz; González Benítez, María Margarita (Springer International Publishing Switzerland, 2016-02-26)
    Capítol de llibre
    Accés restringit per política de l'editorial
    This volume features papers from the 18th International Congress on Project Management and Engineering, held by the University of Zaragoza in collaboration with the Spanish Association of Project Management and Engineering ...
  • A cost analysis of electric vehicle batteries second life businesses 

    Canals Casals, Lluc; Amante García, Beatriz; González Benítez, María Margarita (Asociación Española de Ingeniería de Proyectos (AEIPRO), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In the following years thousands of electric cars are expected to be sold. Knowing that these batteries are not useful anymore for traction services after they have lost a 20% of its capacity, there will be thousands of ...
  • A cost function for the equalization of constant amplitude signals based on statistical reference 

    Sala Álvarez, José (1996)
    Text en actes de congrés
    Accés obert
    The equalization of constant amplitude signals is considered in the scope of this paper. A criterion based on the probability density function (pdf) of the signal of interest is proposed. The objective is to derive a ...
  • A cost-benefit analysis of continuous assessment 

    Duch Brown, Amalia; Gabarró Vallès, Joaquim; Petit Silvestre, Jordi; Blesa Aguilera, Maria Josep; Serna Iglesias, María José (SciTePress, 2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The first course on programming is fundamental in the Facultat d’Informàtica de Barcelona. After a major redesign of the Programming-1 course in 2006 to give it a more practical flavor, an increasing number of measures ...
  • A cost-effective approach for developing application-control GUIs for virtual environments 

    Andújar Gran, Carlos Antonio; Fairén González, Marta; Argelaguet Sanz, Fernando (2006-03)
    Comunicació de congrés
    Accés obert
    In this paper we present a new approach for fast development of application-control User Interfaces (UIs) for Virtual Environments (VEs). Our approach allows developers to build sophisticated UIs containing both simple ...
  • A cost-effective clustered architecture 

    Canal Corretger, Ramon; Parcerisa Bundó, Joan Manuel; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 1999)
    Text en actes de congrés
    Accés obert
    In current superscalar processors, all floating-point resources are idle during the execution of integer programs. As previous works show, this problem can be alleviated if the floating-point cluster is extended to execute ...
  • A cost-sensitive learning algorithm for fuzzy rule-based classifiers 

    Beck, Sebastian; Mikut, Ralf; Jäkel, Jens (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2004)
    Article
    Accés obert
    Designing classifiers may follow different goals. Which goal to prefer among others depends on the given cost situation and the class distribution. For example, a classifier designed for best accuracy in terms of ...
  • A cotangent bundle Hamiltonian tube theorem and its applications in reduction theory 

    Teixidó Roman, Miguel (Universitat Politècnica de Catalunya, 2015-03-27)
    Tesi
    Accés obert
    The Marle-Guillemin-Sternberg (MGS) model is an extremely important tool for the theory of Hamiltonian actions on symplectic manifolds. It has been extensively used to prove many local results both in symplectic geometry ...
  • A count invariant for Lambek calculus with additives and bracket modalities 

    Valentín Fernández Gallart, José Oriol; Serret, Daniel; Morrill, Glyn (Springer-Verlag Berlin Heidelberg, 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The count invariance of van Benthem (1991) is that for a sequent to be a theorem of the Lambek calculus, for each atom, the number of positive occurrences equals the number of negative occurrences. (The same is true ...
  • A coupled Eulerian-PFEM model for the simulation of overtopping in rockfill dams 

    Larese De Tetto, Antonia, (Universitat Politècnica de Catalunya, 2012-07-05)
    Tesi
    Accés obert
    Rockfill dams are nowadays often preferred over concrete dams because of their economic advantages, their flexible design and thank to the great advance achieved in geosciences and geomechanics. Unfortunately their behavior ...
  • A coupled Eulerian-PFEM model for the simulation of overtopping in rockfill dams 

    Larese De Tetto, Antonia; Oñate Ibáñez de Navarra, Eugenio; Rossi, Riccardo (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2012)
    Llibre
    Accés obert
  • A coupled volume-of-fluid/level-set method for simulation of two-phase flows in unstructured meshes 

    Balcázar Arciniega, Néstor; Lehmkuhl Barba, Oriol; Jofre Cruanyes, Lluís; Rigola Serrano, Joaquim; Oliva Llena, Asensio (Elsevier, 2016-01)
    Article
    Accés restringit per política de l'editorial
    This paper presents a methodology for simulation of two-phase flows with surface tension in the framework of unstructured meshes, which combines volume-of-fluid with level-set methods. While the volume-of-fluid transport ...
  • A course in the mathematics of design 

    Kappraff, Jay (Université du Québec à Montréal, 1983)
    Article
    Accés obert
  • A course on digital electronics based on solving design-oriented exercises by means of a PBL strategy 

    Jordana Barnils, José; Sánchez Robert, Francesc Josep (2015-02)
    Article
    Accés obert
    Recently, new syllabuses are being implemented accordingly to the European Higher Education Area (EHEA) in Spain. This paper describes the methodology and assessment strategy applied in the subject ‘‘Digital Circuits and ...
  • A crack-tracking technique for localized cohesive-frictional damage 

    Saloustros, Savvas; Pelà, Luca; Cervera Ruiz, Miguel (2015-12-01)
    Article
    Accés restringit per política de l'editorial
    This paper extends the use of crack-tracking techniques within the smeared crack approach for the numerical simulation of cohesive-frictional damage on quasi-brittle materials. The mechanical behaviour is described by an ...
  • A critical analysis of human-subject experiments in virtual reality and 3D user interfaces 

    Andújar Gran, Carlos Antonio; Brunet Crosa, Pere (Springer International Publishing, 2015)
    Capítol de llibre
    Accés obert
    This paper is about the major peculiarities and difficulties we encounter when trying to validate research results in fields such as virtual reality (VR) and 3D user interfaces (3DUI). We review the steps in the empirical ...