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Ara es mostren els items 62636-62655 de 245705
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Digital hardware architectures for beam synchronous processing and RF synchronization of particle accelerators
(Universitat Politècnica de Catalunya, 2021-07-01)
Tesi
Accés obertIn 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
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Comunicació de congrés
Accés obertFor 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
(2018-01-04)
Article
Accés obertNowadays 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
(EDP Sciences, 2023)
Text en actes de congrés
Accés obertThe 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
(European Association for Computer Graphics (Eurographics), 2021)
Text en actes de congrés
Accés obertThe 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
(2023-01-01)
Article
Accés obertSix 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
(IEEE Microwave Theory and Techniques Society, 2023-01)
Article
Accés obertThis 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
(Universitat Politècnica de Catalunya, 2022-11-30)
Article
Accés obertThis 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?
(David Publishing Co., 2017-07-31)
Article
Accés obertIn 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
(2019-06-25)
Article
Accés obertMetasurfaces, 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
(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
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialDigital 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
(2010)
Text en actes de congrés
Accés obertA 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
(Elsevier, 2007-02)
Article
Accés restringit per política de l'editorialTraditional 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
(2011)
Article
Accés obertPropósito: 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
(Optical Society of American (OSA), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialWe 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
(2019-05-01)
Article
Accés obertOver 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 ... -
Digital predistortion by using GPIB-controlled instrumentation
(Universitat Politècnica de Catalunya, 2007-06-05)
Projecte Final de Màster Oficial
Accés obertA digital predistortion using real equipment, holding it with new software, is here presented. The Vector Signal Analyzer (VSA) –by Agilent– is a new software which allows to the user complete functionalities for the ... -
Digital predistortion linearization of a GaN HEMT push-pull power amplifier for cable applications with high fractional bandwidth
(2023-03-07)
Article
Accés obertThis paper presents two linearization strategies for a custom-designed wideband push-pull (PP) power amplifier (PA) for wired communication applications such as, for example, cable TV. Two digital predistortion (DPD) ... -
Digital predistortion of envelope tracking amplifiers driven by slew-rate limited envelopes
(IEEE Microwave Theory and Techniques Society, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a new Digital Predistorter (DPD) to compensate for nonlinear distortion that arises in Envelope Tracking (ET) Power Amplifiers (PAs) driven by slew-rate limited versions of the real signal's envelope. ...