Ara es mostren els items 5678-5697 de 90077

  • An alternative characterization method of PFET sub-threshold slope under NBTI stress 

    Fernández García, Raúl; Gil Galí, Ignacio (2010)
    Comunicació de congrés
    Accés obert
    The effects of negative bias temperature instability (NBTI) on the sub-threshold performance of a pFET have been investigated by means of experimental methods. Specifically, the sub-threshold slope under static and dynamic ...
  • An alternative collection of structural invariants for matrix pencils under strict equivalence 

    Díaz, Adolfo; García Planas, María Isabel (WSEAS Press. World Scientific and Engineering Academy and Society, 2009)
    Article
    Accés restringit per política de l'editorial
    We consider pairs of matrices (E;A), representing singular linear time invariant sys- tems in the form Ex_ (t) = Ax with E;A 2 Mp£n(C) under restricted equivalence. In this paper we obtain an alternative collection of ...
  • 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 alternative wearable tracking system based on a low-power wide-area network 

    Fernández García, Raúl; Gil Galí, Ignacio (2017-03-14)
    Article
    Accés obert
    This work presents an alternative wearable tracking system based on a low-power wide area network. A complete GPS receiver was integrated with a textile substrate, and the latitude and longitude coordinates were sent to ...
  • An analysis of Bicing mobility patterns using big data 

    Manchón Contreras, Oriol (Universitat Politècnica de Catalunya, 2016-06-23)
    Projecte Final de Màster Oficial
    Accés obert
    Nowadays, technology advances really fast and so does the generation of data. Almost all electronic devices are constantly generating and sharing a huge amount of data through the World Wide Web. Moreover, recent policies ...
  • 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 ...