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Ara es mostren els items 62633-62652 de 245705

    • Digital front-end and system overview in wireless communication 

      Bertran Albertí, Eduardo; Pagani, Maurizio (Cambridge University Press, 2011-09-29)
      Capítol de llibre
      Accés restringit per política de l'editorial

    • Digital front-end for multimode standards and multimode compatibility 

      Bertran Albertí, Eduardo (Cambridge University Press, 2011-09-29)
      Capítol de llibre
      Accés restringit per política de l'editorial

    • Digital gap reduction in rural isolated areas through wideband communications over low Earth orbit satellite constellations 

      Revoltos I Barberà, Joan (Universitat Politècnica de Catalunya, 2021-07-08)
      Treball Final de Grau
      Accés obert
      There is an international consensus about considering internet access as a need, as a right that humanity needs to ensure to achieve a homogeneous development around the world, without differences. However, even in the ...

    • Digital hardware architectures for beam synchronous processing and RF synchronization of particle accelerators 

      Galindo Guarch, Francisco Javier (Universitat Politècnica de Catalunya, 2021-07-01)
      Tesi
      Accés obert
      In Particle Accelerators, the Low-Level RF (LLRF) is the control system of the RF, and in the end, of the purpose of the machine, that is the energy transfer and acceleration of particles. It implements algorithms synchronizing ...

    • Digital hyper-transparency: leading e-government against privacy 

      Rodríguez Hoyos, Ana; Estrada Jiménez, José; Urquiza Aguiar, Luis; Parra Arnau, Javier; Forné Muñoz, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés obert
      For a long time, the Internet and web technologies have supported a more fluid interaction between public institutions and citizens through e-government. With this spirit, several public services are being offered online. ...

    • Digital image analysis of yeast single cells growing in two different oxygen concentrations to analyze the population growth and to assist individual-based modeling 

      Ginovart Gisbert, Marta; Carbó Moliner, Rosa; Blanco Abellán, Mónica; Portell Canal, Xavier (2018-01-04)
      Article
      Accés obert
      Nowadays control of the growth of Saccharomyces to obtain biomass or cellular wall components is crucial for specific industrial applications. The general aim of this contribution is to deal with experimental data obtained ...

    • Digital image-based analysis of a small-scale dam failure during wetting 

      Morales Flauzín, Gerardo; Pinyol Puigmartí, Núria Mercè; Lloret Morancho, Antonio (EDP Sciences, 2023)
      Text en actes de congrés
      Accés obert
      The use of digital images and the correlation of them in time is commonly used in geotechnical laboratory experiments to measure surface variables in a non-invasive and massive way. Digital image correlation-based methods ...

    • Digital layered models of architecture and mural paintings over time 

      Guardia Pons, Milagros; Pogliani, Paola; Bordi, Giulia; Charalambous, Panayiotis; Andújar Gran, Carlos Antonio; Muñoz Pandiella, Imanol; Pueyo Sandez, Francesc Xavier (European Association for Computer Graphics (Eurographics), 2021)
      Text en actes de congrés
      Accés obert
      The European project Enhancement of Heritage Experiences: The Middle Ages. Digital Layered Models of Architecture and Mural Paintings over Time (EHEM) aims to obtain virtual reconstructions of medieval artistic heritage ...

    • Digital light processing-3D printing of thermoset materials with high biodegradability from amino acid-derived acrylamide monomers 

      Isarn, Isaac; Hodásová, L'udmila; Pérez Madrigal, Maria del Mar; Estrany Coda, Francesc; Armelín Diggroc, Elaine Aparecida; Bravo, Fernando (2023-01-01)
      Article
      Accés obert
      Six acrylamide resins, derived from l-phenylalanine and l-leucine, are designed for application in digital light processing (DLP) printers to obtain biodegradable thermoset polymers. The acrylamide copolymers are prepared ...

    • Digital linearization of wideband envelope tracking power amplifiers for mobile terminals 

      Li, Wantao; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (IEEE Microwave Theory and Techniques Society, 2023-01)
      Article
      Accés obert
      This article presents a low-complexity linearization method to compensate for multisource nonlinear distortion in wideband envelope tracking (ET) power amplifiers (PAs) for 5G new radio (NR) mobile terminals. The proposed ...

    • Digital literacy of elderly tourists in the Algarve destination 

      Cortês Vieira, Gabriela; Baptista Manita, Carina; Ribeiro, Conceição; Pires Rosa, Manuela (Universitat Politècnica de Catalunya, 2022-11-30)
      Article
      Accés obert
      This paper studies the digital literacy of elderly tourists who have chosen the Algarve as their destination. Quantitative methods were applied to analyze part of the data collected within the project ACCES4ALL - Accessibility ...

    • Digital manufacturing: what are we able to print? 

      Muguruza Blanco, Asier; Minguella Canela, Joaquim (David Publishing Co., 2017-07-31)
      Article
      Accés obert
      In a rational exercise, in the present paper it is extrapolated how the development of ICTs (information and communication technologies) and the incipient technological development of additive manufacturing has the potential ...

    • Digital metasurface based on graphene: An application to beam steering in terahertz plasmonic antennas 

      Hosseininejad, Seyed Ehsan; Rouhi, Kasra; Neshat, Mohammad; Cabellos Aparicio, Alberto; Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José (2019-06-25)
      Article
      Accés obert
      Metasurfaces, the two-dimensional counterpart of metamaterials, have caught great attention thanks to their powerful capabilities on manipulation of electromagnetic waves. Recent times have seen the emergence of a variety ...

    • Digital narrations of urban history 

      Chodějovská, Eva; Lelo, Keti (Università degli Studi Roma Tre / Centre de Política de Sòl i Valoracions, 2014-09)
      Text en actes de congrés
      Accés obert

    • Digital Nyquist WDM for access networks using limited bandwidth reflective semiconductor optical amplifiers 

      Lázaro Villa, José Antonio; Knorr, Sebastian; Bernhard, Schrenk; Cano Valadéz, Iván Nicolás; Polo Querol, Víctor; Prat Gomà, Josep Joan; Carena, Andrea; Bosco, Gabriella (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Digital Nyquist-WDM is experimentally demonstrated using RSOA-based colorless ONUs, providing a 6-fold enhancement of transmission capacity through 25km fiber, and showing digital Nyquist-WDM as promising candidate for ...

    • Digital phase estimation method based on Karhunen-Loève series expansion for Coherent Phase Diversity Detection 

      Fàbrega Sánchez, Josep Maria; Prat Gomà, Josep Joan (2010)
      Text en actes de congrés
      Accés obert
      A novel phase estimation method for coherent systems is presented and demonstrated. It outperforms 5.5 times the phase noise and spectral width tolerance respect to the other methods.

    • Digital photogrammetry, GPR and computational analysis of structural damages in a mediaeval bridge 

      Arias, P; Armesto, J; Capua, Daniel di; González Drigo, José Ramón; Lorenzo, H; Pérez Gracia, María de la Vega (Elsevier, 2007-02)
      Article
      Accés restringit per política de l'editorial
      Traditional architectonic heritage elements are fragile and irreplaceable resources, signs of the ancient ways of life and the history of the modern societies, and essential valuable elements of the own landscape of a ...

    • Digital portfolio for learning: A new communication channel for education 

      Coromina, Judit; Sabaté i Garriga, Ferran; Romeu Robert, Jordi; Ruiz, Ferran (2011)
      Article
      Accés obert
      Propósito: La Generalitat de Catalunya tiene previsto introducir antes del año 2017 el portafolio digital, una iniciativa vinculada con los nuevos métodos de aprendizaje. Constatado el creciente interés por el portafolio ...

    • Digital pre-emphasis for 10Gb/s with low-cost directly phase-modulated lasers for PONs 

      Tabares Giraldo, Jeison; Napoli, Antonio; Polo Querol, Víctor; Calabro, S.; Sommerkorn-Krombholz, B.; Spinnler, B.; Prat Gomà, Josep Joan (Optical Society of American (OSA), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We apply digital pre-emphasis to compensate for the frequency response non-idealities of low-cost optical transmitters. It enables transmission beyond 10Gb/s with 2/4/8-DPSK using directly modulated lasers and coherent ...

    • Digital predistorters go multidimensional: DPD for concurrent multiband envelope tracking and outphasing power amplifiers 

      Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Vegas Garcia, Ángel; Ruiz Lavin, Maria de las Nieves; García García, José Ángel (2019-05-01)
      Article
      Accés obert
      Over at least the last two decades, digital predistortion (DPD) has become the most common and widespread solution to cope with the power amplifier's (PA's) inherent linearity-versus-efficiency tradeoff. When compared with ...