Ara es mostren els items 5519-5538 de 87742

  • An alternative complete system of invariants for matrix pencils under strict equivalence 

    García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 2009-12)
    Comunicació de congrés
    Accés obert
  • An alternative complete system of invariants for matrix pencils under strict equivalence 

    García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 2009-12)
    Capítol de llibre
    Accés restringit per política de l'editorial
    We consider triples of matrices (E; A;B), representing singular linear time invariant systems in the form Ex_ (t) = Ax(t) + Bu(t), with E;A 2 Mp£n(C) and B 2 Mn£m(C), un- der proportional and derivative feedback. Using ...
  • An alternative discrete-time model for networked control systems with time delay less than the sampling period 

    Torres Guerrero, Gina; Velasco García, Manel; Martí Colom, Pau; Martín Rull, Enric Xavier; Fuertes Armengol, José Mª (2013)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    The majority of existing Networked Control Systems (NCS) models are discrete-time formulations based on the exact discretization of the continuous-time linear plant over a sample interval. In the state-space formalism, ...
  • An alternative method to quantify the electromagnetic immunity based on the Weibull distribution 

    Fernández García, Raúl; Gil Galí, Ignacio (2013)
    Article
    Accés obert
    It is accepted that the electromagnetic interference should be addressed with statistical analysis. Usually the impact of electromagnetic interference on different electronic samples is evaluated and the average immunity ...
  • An alternative to Kim and Warde’s mixed randomized response model 

    Singh, Housila P.; Tarray, Tanveer A. (Institut d'Estadística de Catalunya, 2014-01)
    Article
    Accés obert
    When open or direct surveys are about sensitive matters (e.g. gambling habits, addiction to drug and others intoxicants, alcoholism, proneness to tax invasion, induced abortions, drunken driving, history of past involvement ...
  • An alternative to the use of mercury electrode on the determination of metal ions in voltammetric techniques: Screen-Printed Electrodes. 

    Yuste Ramos, Eric (Universitat Politècnica de Catalunya, 2016-06-23)
    Treball Final de Grau
    Accés obert
    In recent years the legal framework concerning the amount of heavy metals allowed in the water discharges is constantly being redefined. Therefore, it is necessary to investigate the development of effective ecological and ...
  • An analysis of determinants of going concern audit opinion: evidence from Spain stock exchange 

    Gallizo Larraz, Jose Luis; Saladrigues, Ramon (OmniaScience, 2016-04)
    Article
    Accés obert
    Purpose: The main objective of this article is to go in-depth into the relationship between going concern audit opinion and certain characteristics of the company and auditor, including financial decline. Design/metho ...
  • An Analysis of engineering students's perceptions after developing a collaborative technical writing project 

    Aguilar Pérez, Marta; Barahona Fuentes, Claudia (Peter Lang AG, 2010)
    Capítol de llibre
    Accés restringit per política de l'editorial
  • An analysis of factors used in search engine ranking 

    Bifet Figuerol, Albert Carles; Castillo, Carlos; Chirita, Paul-Alexandru; Weber, Ingmar (2005-09)
    Report de recerca
    Accés obert
    This paper investigates the influence of different page features on the ranking of search engine results. We use Google (via its API) as our testbed and analyze the result rankings for several queries of different categories ...
  • An analysis of factors used in search engine ranking 

    Bifet Figuerol, Albert Carles; Castillo, Carlos; Chirita, Paul-Alexandru; Weber, Ingmar (2005)
    Text en actes de congrés
    Accés obert
    This paper investigates the influence of different page features on the ranking of search engine results. We use Google (via its API) as our testbed and analyze the result rankings for several queries of different categories ...
  • An Analysis of incentives mechanisms and evaluation on BitTorrent 

    Serra Pàmies, David (Universitat Politècnica de Catalunya, 2013-11-05)
    Projecte Final de Màster Oficial
    Accés obert
    Since the first peer-to-peer communities appeared, their number of users has increased considerably owing to the benefits they offer compared to their alternative architectures in the sharing and distribution of multimedia ...
  • An analysis of JOTSE evolution 

    Amante García, Beatriz; Martínez Martínez, María del Rosario (OmniaScience, 2015-03)
    Article
    Accés obert
  • An Analysis of Memory Based Collaborative Filtering Recommender Systems with Improvement Proposals 

    Levinas, Claudio Adrian (Universitat Politècnica de Catalunya, 2014-09-15)
    Projecte Final de Màster Oficial
    Accés obert
    Memory Based Collaborative Filtering Recommender Systems have been around for the best part of the last twenty years. It is a mature technology, implemented in nu- merous commercial applications. However, a departure ...
  • An analysis of MYCIN-like expert systems 

    Hajek, Petr; Valdés Ramos, Julio José (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1994)
    Article
    Accés obert
    The paper is a review of our theoretical analysis of uncertainty processing in a broad class of truth-functional expert systems similar to MYCIN and PROSPECTOR, main attention being paid to parallel combination of rules. ...
  • An analysis of paperclip arbitrage 

    Cabanillas Barbacil, David Conrado; Willmott, Steven Nicolás; Cortés García, Claudio Ulises (2007-12)
    Report de recerca
    Accés obert
    While bartering is arguably the world's oldest form of trade there are still many instances where it surprises us. One such case is the remarkable story of Kyle MacDonald who, by means of a sequence of bartering exchanges ...
  • An analysis of pollution risk on the Spanish Mediterranean coast 

    Esparza, Amable V.; Martínez de Osés, Francesc Xavier (2010-07-30)
    Article
    Accés restringit per política de l'editorial
    Pollution from shipping traffic poses a real risk to the Spanish coast. Memories of the Fedra bulk carrier disaster in the Strait of Gibraltar, the Prestige sinking in Finisterre or the Castor near accident off Almeria ...
  • 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 ...