Ara es mostren els items 39803-39822 de 244434

    • Characterization Rig for Antennas and Retroreflectors 

      Trumper, Ariel (Universitat Politècnica de Catalunya, 2018-01)
      Treball Final de Grau
      Accés obert
      Development of an antenna characterization system, software and hardware parts. As a result, the radiation pattern of an antenna is obtained together with other relevant values.
    • Characterization setup for the experimental study of time-dependent variability phenomena in nanoscale circuits 

      Romano Molar, Àlex (Universitat Politècnica de Catalunya, 2023-06)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   IMEC Belgium
      This project consists in an internship at IMEC Belgium for four months. It can be divided in two major parts: Building a chip-oriented prober and conducting some experiments about reliability on chip.
    • Characterization study of an oxide film layer produced under CO2/steam atmospheres on two different maraging steel grades 

      Cerra Flórez, Mauro Andrés; Fargas Ribas, Gemma; Roa Rovira, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-01)
      Article
      Accés obert
      Currently, surface treatments lead to inducing a superficial layer of several nanometers up to micrometer, which in some cases can be protective. In this experimental work, an oxide layer was generated under different ...
    • Characterization tests for predicting the mechanical performance of SFRC floors: design considerations 

      Martinelli, Paolo; Colombo, Matteo; Fuente Antequera, Albert de la; Pialarissi Cavalaro, Sergio Henrique; Pujadas Álvarez, Pablo; Di Prisco, Claudio (2021-02)
      Article
      Accés obert
      The paper presents an experimental program carried out to check the load bearing capacity of a steel fibre reinforced concrete (SFRC) floor in northern Italy. The extensive mechanical characterization focused on the ...
    • Characterization tests for predicting the mechanical performance of SFRC floors: identification of fibre distribution and orientation effects 

      Martinelli, Paolo; Colombo, Matteo; Pujadas Álvarez, Pablo; Fuente Antequera, Albert de la; Pialarissi Cavalaro, Sergio Henrique; Di Prisco, Marco (2021-02)
      Article
      Accés obert
      In the context of the evaluation of the load-bearing capacity of a steel fibre reinforced concrete (SFRC) elevated slab recently built in northern Italy, this paper presents the study addressing the effects of fibre ...
    • Characterization, design and re-optimization on multi-layer optical networks 

      Ruiz Ramírez, Marc (Universitat Politècnica de Catalunya, 2012-12-21)
      Tesi
      Accés obert
      L'augment de volum de tràfic IP provocat per l'increment de serveis multimèdia com HDTV o vídeo conferència planteja nous reptes als operadors de xarxa per tal de proveir transmissió de dades eficient. Tot i que les xarxes ...
    • Characterization, development and experimental validation of a dynamic model of an open cathode PEM fuel cell 

      Strahl, Stephan; Husar, Attila Peter; Serra, Maria (2010)
      Text en actes de congrés
      Accés obert
      Water distribution in a fuel cell affects performance and durability, thus fundamental understanding of water transport mechanisms are imperative and can be strongly influenced through proper control strategies. A ...
    • Characterization, modeling and assessment of Roll-N-Cage isolator using the cable-stayed bridge benchmark 

      Abdel Kareem Moustafa, Mohamed Ismail; Rodellar Benedé, José; Carusone, Gennaro; Domaneschi, Marco; Martinelli, Luca (2013-03)
      Article
      Accés restringit per política de l'editorial
      This paper presents the results of an extensive series of simulation tests to identify the mechanical characteristics of an innovative isolation device known as the Roll-N-Cage (RNC) isolator. The seismic performance of ...
    • Characterizations of classes of graphs by forbidden minors 

      Böhmová, Katerina (Universitat Politècnica de Catalunya, 2011)
      Projecte Final de Màster Oficial
      Accés obert
      En aquest treball tractem el problema de descriure classes de grafs especificades per un menor prohibit. Concretament, presentem resultats de Wagner que caracteritzen grafs sense K5 o bé K3,3 com a menor. També donem ...
    • Characterizations of inequality orderings by means of dispersive orderings 

      Ramos Romero, H. M.; Sordo Díaz, M. A. (Institut d'Estadística de Catalunya, 2002)
      Article
      Accés obert
      The generalized Lorenz order and the absolute Lorenz order are used in economics to compare income distributions in terms of social welfare. In Section 2, we show that these orders are equivalent to two stochastic orders, ...
    • Characterizations of logarithmic advice complexity classes 

      Balcázar Navarro, José Luis; Hermo Huguet, Montserrat; Mayordomo, Elvira (1991-12-13)
      Report de recerca
      Accés obert
      The complexity classes P/log and Full-P/log, corresponding to the two standard forms of logarithmic advice for polynomial time, are studied. Characterizations are found in terms of Kolmogorov-simple circuits, bounded query ...
    • Characterizations of some complexity classes between [theta sub 2 super p] and [delta sub 2 super p] 

      Castro Rabal, Jorge; Seara Ojea, Carlos (1990)
      Report de recerca
      Accés obert
      We give some characterizations of the classes P super NP [0(log super k n)]. First, we show that these classes are equal to classes AC super k-1 (N P). Second, we prove that they are also equivalent to some classes defined ...
    • Characterizing (l,m)-walk-regularity 

      Dalfó Simó, Cristina; Fiol Mora, Miquel Àngel; Garriga Valle, Ernest (2009-05)
      Article
      Accés obert
      A graph $\G$ with diameter $D$ and $d+1$ distinct eigenvalues is said to be {\it $(\ell,m)$-walk-regular}, for some integers $\ell\in[0,d]$ and $m\in[0,D]$, $\ell\ge m$, if the number of walks of length $i\in [0,\ell]$ ...
    • Characterizing a filtered stabilized metallurgical residue with PMT 

      Arroyo Alvarez de Toledo, Marcos; Vargas, Carlos O.; Martínez, Estrella; Salgado, David E. (University of British Columbia (UBC), 2022)
      Text en actes de congrés
      Accés obert
      This paper illustrates how pressuremeter testing may add value to geotechnical characterization of tailing storage facilities (TSF). This is done with reference to results obtained in a campaign on jarosa, a lime-stabilized ...
    • Characterizing a Tune-all bandstop filter 

      Musoll, Carles; Llamas Garro, Ignacio; Brito Brito, Zabdiel; Pradell i Cara, Lluís; Corona, Alfonso (2009)
      Text en actes de congrés
      Accés obert
      In this paper a reconfigurable bandstop filter able to reconfigure central frequency, bandwidth and selectivity for fine tuning applications is presented. The reconfigurable filter topology has four poles and a ...
    • Characterizing and improving the performance of many-core task-based parallel programming runtimes 

      Bosch, Jaume; Tan, Xubin; Álvarez Martínez, Carlos; Jiménez González, Daniel; Martorell Bofill, Xavier; Ayguadé Parra, Eduard (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Parallel task-based programming models like OpenMP support the declaration of task data dependences. This information is used to delay the task execution until the task data is available. The dependences between tasks are ...
    • Characterizing and witnessing multipartite correlations : from nonlocality to contextuality 

      Sainz, Ana Belén (Universitat Politècnica de Catalunya, 2014-02-10)
      Tesi
      Accés obert
      In the past century, experimental discoveries have witnessed phenomena in Nature which challenge our everyday classical intuition. In order to explain these facts, quantum theory was developed, which so far has been able ...
    • Characterizing approximate-matching dependencies in formal concept analysis with pattern structures 

      Baixeries i Juvillà, Jaume; Codocedo, Victor; Kaytoue, Mehdi; Napoli, Amedeo (2018-04-26)
      Article
      Accés obert
      Functional dependencies (FDs) provide valuable knowledge on the relations between attributes of a data table. A functional dependency holds when the values of an attribute can be determined by another. It has been shown ...
    • Characterizing BigBench Queries, Hive, and Spark in Multi-cloud Environments 

      Poggi, Nicolas; Montero, Alejandro; Carrera, David (Springer Verlag, 2017-12-30)
      Comunicació de congrés
      Accés obert
      BigBench is the new standard (TPCx-BB) for benchmarking and testing Big Data systems. The TPCx-BB specification describes several business use cases—queries—which require a broad combination of data extraction techniques ...
    • Characterizing chronic disease and polymedication prescription patterns from electronic health records 

      Zamora, Martí; Baradad, Manel; Amado, Ester; Cordomí, Sílvia; Limón, Esther; Ribera, Juliana; Arias Vicente, Marta; Gavaldà Mestre, Ricard (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      Population aging in developed countries brings an increased prevalence of chronic disease and of polymedication-patients with several prescribed types of medication. Attention to chronic, polymedicated patients is a priority ...