Ara es mostren els items 13814-13833 de 244457

    • An application of fractional differintegration to heart rate variability time series 

      García González, Miguel Ángel; Fernández Chimeno, Mireya; Ramos Castro, Juan José; Capdevila, Lluis; Parrado, Eva (2013-07)
      Article
      Accés restringit per política de l'editorial
      Fractional differintegration is used as a new tool to characterize heart rate variability time series. This paper proposes and focuses in two indexes (ac and fnQ) derived from the fractional differintegration operator. ...
    • An application of functional analysis in a predator - prey system 

      Acosta Humánez, Primitivo Belén (M. Sambandham, et al., 2005)
      Text en actes de congrés
      Accés obert
      In this paper I want to show some advantages of the Geometric Iteration to a possible study of a predator-prey system. The Geometric Iteration presents characteristics such as continuity, derivability and integrability ...
    • An application of non-destructive measurements in marine geology: turbidite paleoseismology 

      Vizcaino, A.; Piñero, E.; Gràcia, E.; Escutia, C.; García Orellana, Jordi; Dañobeitia, Juan José (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems), 2008-04-08T13:46:22Z)
      Article
      Accés obert
    • An application of reinforcement learning for efficient spectrum usage in next-generation mobile cellular networks 

      Bernardo Álvarez, Francisco; Agustí Comes, Ramon; Pérez Romero, Jordi; Sallent Roig, Oriol (2010-07)
      Article
      Accés obert
      This paper proposes reinforcement learning as a foundational stone of a framework for efficient spectrum usage in the context of nextgeneration mobile cellular networks. The objective of the framework is to efficiently use ...
    • An application of SGA: how urban resident acts in making traveling decisions 

      Chenxu, Long; Jing, Li; Zhuyi, Li (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-04)
      Article
      Accés obert
      Purpose: To study how urban resident acts in making traveling decisions. Design/methodology/approach: Simple Genetic Algorithm (SGA) Findings: Using SGA to make the model of urban resident's decisions is rational. ...
    • An application of the finite-discrete element method in the simulation of ceramic breakage: methodology for a validation study for alumina specimens 

      Farsi, A.; Xiang, J.; Latham, J. P.; Pullen, A. D.; Carlsson, M.; Stitt, E. H.; Marigo, M. (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      Alumina (aluminum oxide, Al2O3) particles are pelletised and fired to produce high porosity catalyst pellets of complex shapes. These pellets fill cylindrical reactor columns with particulate packing structures that are key ...
    • An application of the isometric log-ratio transformation in relatedness research 

      Graffelman, Jan; Galván Femenía, Iván (Springer, 2016)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Abstract Genetic marker data contains information on the degree of relatedness of a pair of individuals. Relatedness investigations are usually based on the extent to which alleles of a pair of individuals match over a set ...
    • An application of the Shapley value to perform system partitioning 

      Muros Ponce, Francisco; Maestre Torreblanca, José María; Algaba Durán, Encarnación; Ocampo-Martínez, Carlos; Fernández Camacho, Eduardo (2015)
      Text en actes de congrés
      Accés obert
      We introduce a new method to perform the partitioning of non-centralized dynamical linear systems based on the relevance of the possible interconnections among the smallest components of the system. In particular, we analyze ...
    • An application of the theory of intutionistic fuzzy multigraphs 

      Atanassov, Krassimir T.; Papadopoulos, Basil K; Syropoulos, Apostolos (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2004)
      Article
      Accés obert
      In a recent paper by one of the authors it has been shown that there is a relationship between algebraic structures and labeled transition systems. Indeed, it has been shown that an algebraic structures can be viewed as ...
    • An application oriented short course in image recognition 

      Tarrés Ruiz, Francisco; Bertran Albertí, Eduardo; Montoro López, Gabriel; Barbosa de Souza, Alisson (1998)
      Text en actes de congrés
      Accés obert
      An experimental course on Digital Image Processing and Recognition, together with its associated implementation, are described. The program is a user-friendly interface running under Matlab 4.0, which allows easy-control ...
    • An approach based on simulation and optimisation for the intermodal dispatching of public transport and ride-pooling services 

      Lorente García, Ester; Codina Sancho, Esteve; Barceló Bugeda, Jaime; Nökel, Klaus (2023-03-16)
      Article
      Accés obert
      This paper provides a simulation and optimisation-based system to combine public transport (PT) with ride-pooling services (RP). According to the International Transport Forum (ITF), the RP could be established as a feeder ...
    • An approach based on simulation and optimization to integrate ride-pooling with public transport for a cooperative approach 

      Lorente García, Ester; Barceló Bugeda, Jaime; Codina Sancho, Esteve; Noëkel, Klaus (2023)
      Comunicació de congrés
      Accés obert
      Mobility as a Service (MaaS), appeared as a tool to provide more efficient solutions in large urban areas, but, it hasn’t always been the case. The International Union of Public Transport (UITP) and the International ...
    • An approach based on the use of the ant system to design combinatorial logic circuits 

      Mendoza García, Benito; Coello Coello, Carlos (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2002)
      Article
      Accés obert
      In this paper we report the first attempt to design combinational logic circuits using the ant system. In order to design circuits, a measure of quality improvement in partially built circuits is introduced and a ...
    • An approach for alert raising in real-time data warehouses 

      López, Maximiliano Ariel; Nadal Francesch, Sergi; Djedaini, Mahfoud; Marcel, Patrick; Peralta, Verónika; Furtado, Pedro (2015)
      Text en actes de congrés
      Accés obert
      This work proposes an approach for alert raising within a real-time data warehouse environment. It is based on the calculation of confidence intervals for measures from historical facts. As new facts arrive to the data ...
    • An approach for an architecture to embodied procedural reasoning 

      Orduña Cabrera, Fernando; Sànchez-Marrè, Miquel (2008-01)
      Report de recerca
      Accés obert
      Some research in intelligent manufacturing systems summarizes the importance of developing new methods and techniques that should be more knowledge intensive, applied at the level of embedded devices. To bring a solution ...
    • An approach for an efficient execution of SPMD applications on Multi-core environments 

      Muresano, Ronal; Meyer, Hugo; Rexachs, Dolores; Luque, Emilio (Elsevier, 2017-01)
      Article
      Accés obert
      Executing traditional Message Passing Interface (MPI) applications on multi-core cluster balancing speed and computational efficiency is a difficult task that parallel programmers have to deal with. For this reason, ...
    • An approach for an ISRU thermal system to sustain long-term missions for lunar rovers 

      Pavón Castillo, Blanca (Universitat Politècnica de Catalunya, 2022-07-14)
      Treball Final de Grau
      Accés obert
      Nowadays, the interest in setting up a human base outside the Earth has set its sight on our satellite. Aiming to the intention of building a Human Lunar Base, humans have launched several missions in order to improve lunar ...
    • An approach for detecting power peaks during testing and breaking systematic pathological behavior 

      Trilla Rodríguez, David; Hernández Luz, Carles; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      The verification and validation process of embedded critical systems requires providing evidence of their functional correctness and also that their non-functional behavior stays within limits. In this work, we focus on ...
    • An approach for hydrogeological data management, integration and analysis 

      Criollo Manjarrez, Rotman Alejandro (Universitat Politècnica de Catalunya, 2019-03-08)
      Tesi
      Accés obert
      The conceptualisation of a groundwater system involves continuous monitoring and evaluation of a large number of parameters (e.g., hydraulic parameters). Regarding hydraulic properties of the aquifers, their quantification ...
    • An approach for physiological motion compensation in robotic-assisted cardiac surgery 

      Avilés Rivero, Angélica Ivone; Sobrevilla Frisón, Pilar; Casals Gelpí, Alicia (2014-11-14)
      Article
      Accés obert
      The lack of physiological motion compensation is a major problem in robotic-assisted cardiac surgery. Since the heart is beating while the surgeon carried out the procedure, dexterity of the surgeon’s and precision are ...