Ara es mostren els items 14777-14796 de 245706

    • An ultra low-power hardware accelerator for automatic speech recognition 

      Yazdani Aminabadi, Reza; Segura Salvador, Albert; Arnau Montañés, José María; González Colás, Antonio María (IEEE Press, 2016)
      Text en actes de congrés
      Accés obert
      Automatic Speech Recognition (ASR) is becoming increasingly ubiquitous, especially in the mobile segment. Fast and accurate ASR comes at a high energy cost which is not affordable for the tiny power budget of mobile devices. ...
    • An ultra low-power mixed-signal back-end for passive sensor UHF RFID transponders 

      Rodriguez, J.; Delgado Restituto, M.; Masuch, J.; Rodriguez Perez, Alberto; Alarcón Cot, Eduardo José; Rodríguez Vázquez, Ángel (IEEE Press. Institute of Electrical and Electronics Engineers, 2012-02)
      Article
      Accés restringit per política de l'editorial
      This paper describes the design of mixed-signal back end for an ultrahigh-frequency sensor-enabled radio-frequency identification transponder in full compliance with the Electronic Product Code Class-1 Generation-2 protocol, ...
    • An ultra low-voltage RF front-end receiver for IoT devices 

      Malena, Francesco; Aragonès Cervera, Xavier; Mateo Peña, Diego; Caselli, Michele; Boni, Andrea (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the design of an RF receiver front-end for IoT application, integrating a low noise amplifier (LNA) and an active mixer. The circuit is designed in 28-nm FDSOI technology, to operate on the ISM 2.4-2.5 ...
    • An ultra-compact particle size analyser using a CMOS image sensor and machine learning 

      Hussain, Rubaiya; Martinez Cordero, Pedro Antonio; Coll, T.; Pruneri, Valerio (2020-12)
      Article
      Accés obert
      Light scattering is a fundamental property that can be exploited to create essential devices such as particle analysers. The most common particle size analyser relies on measuring the angle-dependent diffracted light from ...
    • An ultra-fast annealing treatment by electropulsing during pure copper wire drawing 

      González Rojas, Hernán Alberto; Sánchez Egea, Antonio José; Hameed, Saqib; Bolmaro, Raúl (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-23)
      Article
      Accés obert
      The influence of electropulses in situ on the drawing process of copper wires was investigated with the aim of avoiding time consuming annealing thermal treatments. It was found that with the application of electropulses, ...
    • An unconditionally stable explicit finite element algorithm for coupled hydromechanical problems of soil mechanics in pseudo-static conditions 

      Monforte Vila, Lluís; Carbonell Puigbó, Josep Maria; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (2022-11)
      Article
      Accés obert
      In this article, we present a novel explicit time-integration algorithm for the coupled hydromechanical soil mechanics problems in a pseudo-static regime. After introducing the finite element discretization, the semidiscrete ...
    • An underground excavation in Barcelona and its interaction with existing structures 

      Mariano, Alessandra di; Varga, Annamaria; Gens Solé, Antonio (Taylor & Francis Group, 2021)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The construction process for the enlargement of an underground railway station in Barcelona required an additional tunnel excavation below existing structures. The paper presents the case study, describing the details of ...
    • An underground that never breaks down? 

      Universitat Politècnica de Catalunya. Servei de Comunicació (2011-01-24)
      Audiovisual
      Accés obert
      For Marc Gispert, the success of this business venture can be credited to its team, ‘to the bonds of friendship that we have forged, which allow us to work non-stop, for hours on end, because we share the same objective’. The ...
    • An Underwater Crawler Applied to Underwater Observatory Obsea 

      Falahzadeh, Ahmad; Campus del Baix Llobregat, Biblioteca del; Biblioteca de l'Escola Politècnica Superior d'Enginyeria de Vilanova i la Geltrú (2022-10-19)
      Audiovisual
      Accés obert
      En aquest Research Café es presenten projectes on la tecnologia es posa al servei dels mars i els oceans, i que estan lligats amb els objectius ODS Vida Submarina i Acció pel clima
    • An underwater crawler applied to underwater observatory obsea. 

      Falahzadeh, Ahmad (2022-10-19)
      Comunicació de congrés
      Accés obert
      En aquest Research Café es presenten projectes on la tecnologia es posa al servei dels mars i els oceans, i que estan lligats amb els objectius ODS Vida Submarina i Acció pel clima.
    • An undrained upper bound solution for the face stability of tunnels reinforced by micropiles 

      Pinyol Puigmartí, Núria Mercè; Alonso Pérez de Agreda, Eduardo (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Tunnel in difficult soils may require procedures to prevent tunnel face failures. Face stabilization can be achieved by the installation of some structural elements. This paper presents an analysis of face stability of ...
    • An unexpected high-pressure stability domain for a lower density polymorph of benzophenone 

      Rietveld, Ivo B.; Barrio Casado, María del; Céolin, René; Tamarit Mur, José Luis (Springer Nature, 2023-07-24)
      Article
      Accés obert
      For over a century, it was thought that the crystalline polymorph II of benzophenone does not possess a stable domain in the pressure–temperature phase diagram. With a combination of new experimental results and literature ...
    • An unfitted method with elastic bed boundary conditions for the analysis of heterogeneous arterial sections 

      Gahima, Stephan; Díez, Pedro; Stefanati, Marco; Rodríguez Matas, José Félix; García González, Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2023-04-06)
      Article
      Accés obert
      This manuscript presents a novel formulation for a linear elastic model of a heterogeneous arterial section undergoing uniform pressure in a quasi-static regime. The novelties are twofold. First, an elastic bed support on ...
    • An unified parallel C compiler that implements automatic communication aggregation 

      Barton, Christopher; Almási, George; Farreras Esclusa, Montserrat; Amaral, José Nelson (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Partitioned Global Address Space (PGAS) programming languages, such as Unified Parallel C (UPC), offer an attractive high-productivity programming model for programming large-scale parallel machines. PGAS languages partition ...
    • An unknown input moving horizon estimator for open channel irrigation systems 

      Conde Méndez, Gregory; Quijano Silva, Nicanor; Ocampo-Martínez, Carlos (2021)
      Text en actes de congrés
      Accés obert
      The use of modeling and estimation strategies appears as a valuable tool to increase the efficiency of the open channel irrigation systems (OCIS). This paper is focused on exploring the feasibility, advantages, and conditions ...
    • An unmanned aircraft system to detect a radiological point source using RIMA software architecture 

      Royo Chic, Pablo; Pastor Llorens, Enric; Macias López, Miquel; Cuadrado, Raul; Barrado Muxí, Cristina; Vargas Drechsler, Arturo (Multidisciplinary Digital Publishing Institute (MDPI), 2018-10-30)
      Article
      Accés obert
      Unmanned Aircraft Systems (UASs), together with the miniaturisation of computers, sensors, and electronics, offer new remote sensing applications. However, there is a lack of hardware and software support to effectively ...
    • An unstructured CFD approach for numerical weather prediction 

      Aubry, Romain; Vázquez, Mariano; Houzeaux, Guillaume; Cela Espín, José M.; Marras, Simone (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The aim of this paper is twofold. First, it is difficult for a newcomer in the Numerical Weather Prediction (NWP) community to find similarities with Computational Fluid Dynamics (CFD) techniques as far as the numerical ...
    • An update on open access to publications: challenges and way forward 

      Castro, Pablo de; Rovira, Anna (2019-10)
      Comunicació de congrés
      Accés obert
    • An updated probabilistic seismic hazard assessment for Romania and comparison with the approach and outcomes of the SHARE Project 

      Pavel, Florin; Vacareanu, Radu; Douglas, John; Radulian, Micrea; Cioflan, Carmen; Barbat Barbat, Horia Alejandro (2016-06-01)
      Article
      Accés obert
      The probabilistic seismic hazard analysis for Romania is revisited within the framework of the BIGSEES national research project (http://infp.infp.ro/bigsees/default.htm) financed by the Romanian Ministry of Education and ...
    • An upper bound for the standard deviation of a random variable 

      Díaz Barrero, José Luis (2020-07)
      Article
      Accés restringit per política de l'editorial