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Ara es mostren els items 71117-71136 de 245593

    • Dual polarization full-field signal waveform reconstruction using intensity only measurements for coherent communications 

      Chen, Haoshuo; Fontaine, Nicolas K.; Gené Bernaus, Joan M.; Ryf, Roland; Neilson, David T.; Raybon, Gregory (Institute of Electrical and Electronics Engineers (IEEE), 2020-05-01)
      Article
      Accés obert
      Conventional optical coherent receivers capture the full electrical field, including amplitude and phase, of a signal waveform by measuring its interference against a stable continuous-wave local oscillator (LO). In optical ...

    • Dual polarized modulation and reception for next generation mobile satellite communications 

      Henarejos Hernández, Pol; Pérez Neira, Ana Isabel (2015-10-01)
      Article
      Accés obert
      This paper presents the novel application of polarized modulation (PMod) for increasing the throughput in mobile satellite transmissions. One of the major drawbacks in mobile satellite communications is the fact that the ...

    • Dual Quaternion Synthesis of a Parallel 2-TPR Robot 

      Pérez Gracia, Alba; McCarthy, John Michael (2002)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the dual quaternion synthesis methodology for constrained parallel robots. This methodology uses the dual quaternion form of the kinematics of supporting serial chains as design equations. Given a set ...

    • Dual Quaternion Synthesis of Constrained Robots 

      Pérez Gracia, Alba; McCarthy, John Michael; Bennet, Bruce (Springer, 2002)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a synthesis methodology for robots that have less than six degrees of freedom, termed constrained robots. The goal is to determine the physical parameters of the chain that fit its workspace to a given ...

    • Dual release from cement/hydrogel composite biomaterial aimed for bone cancer therapy 

      Roldan Baldó, Marcel (Universitat Politècnica de Catalunya, 2020-07-08)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      El uso de plasma atmosférico frío en tratamientos contra el cáncer ha demostrado ser eficaz y selectivo, distinguiendo su acción entre células sanas y células cancerígenas fruto del aporte de especies reactivas de oxígeno ...

    • Dual REPS: a generalization of relative entropy policy search exploiting bad experiences 

      Colomé Figueras, Adrià; Torras, Carme (Institute of Electrical and Electronics Engineers (IEEE), 2017-08-01)
      Article
      Accés obert
      Policy search (PS) algorithms are widely used for their simplicity and effectiveness in finding solutions for robotic problems. However, most current PS algorithms derive policies by statistically fitting the data from the ...

    • Dual sightline measurements of MeV range deuterons with neutron and gamma-ray spectroscopy at JET 

      Eriksson, Johan; Scopus - Author details - Nocente, Massimo; Binda, Federico; Scopus - Author details - Cazzaniga, Carlo; Conroy, Sean W.; Ericsson, Göran N.; Giacomelli, Luca C.; Gorini, Giuseppe; Hellesen, Carl; Hellsten, Törbjrn; Hjalmarsson, Anders; Jacobsen, Arnhild S.; Johnson, Thomas; Kiptily, Vasily; Koskela, Tuomas; Mantsinen, Mervi; Salewski, Mirko; Schneider, Michael; Sharapov, Sergei; Skiba, Mateusz; Tardocchi, Marco; Weiszflog, Matthias (Institute of Physics Publishing (IOP), 2015-11-19)
      Article
      Accés obert
      Observations made in a JET experiment aimed at accelerating deuterons to the MeV range by third harmonic radio-frequency (RF) heating coupled into a deuterium beam are reported. Measurements are based on a set of advanced ...

    • Dual time and frequency domain optical layer digital twin 

      Devigili, Mariano; Ruiz Ramírez, Marc; Costa, Nelson; Napoli, Antonio; Pedro, João; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      We demonstrate a digital twin for failure detection in optical networks. Artificial neural networks-based models for optical constellation analysis enable predicting the transmitted signal in the time domain whereas ...

    • Dual-action effect of gallium and silver providing osseointegration and antibacterial properties to calcium titanate coatings on porous titanium implants 

      Rodríguez Contreras, Alejandra María; Torres Garrido, Diego; Piñera Avellaneda, David; Pérez Palou, Lluís; Ortiz Hernández, Mónica; Ginebra Molins, Maria Pau; Calero Martínez, Jose Antonio; Manero Planella, José María; Rupérez de Gracia, Elisa (Multidisciplinary Digital Publishing Institute (MDPI), 2023-05-01)
      Article
      Accés obert
      Realitzat a/amb:   AMES / Institut de Bioenginyeria de Catalunya
      Previously, functional coatings on 3D-printed titanium implants were developed to improve their biointegration by separately incorporating Ga and Ag on the biomaterial surface. Now, a thermochemical treatment modification ...

    • Dual-arm dexterous mobile manipulator with new omnidirectional wheels manipulador móvil, bibrazo y diestro con nuevas ruedas omnidireccionales 

      Suárez Feijóo, Raúl; Palomo Avellaneda, Leopold; Martínez Miralles, Jordi Ramon; Clos Costa, Daniel; García, Nestor (2020-01-01)
      Article
      Accés obert
      Este artículo describe un manipulador móvil, bimanual y con capacidad de manipulación diestra denominado MADAR (de Mobile Anthropomorphic Dual-Arm Robot). Básicamente puede dividirse en dos partes, una base móvil y una ...

    • Dual-arm framework for cooperative applications 

      Rodríguez Pacheco, Carlos; Rojas de Silva Gonzalez, Francisco Abiud; Suárez Feijóo, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a framework schema that allows to bring simulation results obtained from different dual-arm robotic applications to executions in real environments. The framework uses the Robot Operating System (ROS) ...

    • Dual-band antenna with highly isolated outputs for global navigation satellite systems receivers 

      Heckler, M.V.T.; Nova Lavado, Enrique; Elmarissi, W.; Basta, N.; Dreher, Michael (2012-09-18)
      Article
      Accés restringit per política de l'editorial
      This study describes the design of a dual-band microstrip antenna with four isolated outputs. The proposed antenna has been optimised to operate in the E5a/E5b and E1 bands of the European satellite navigation system ...

    • Dual-band antennas in CST Studio Suite 

      Chicano, Alex; Mansergas, Iván; Segura, David (Universitat Politècnica de Catalunya, 2020-06-19)
      Treball d'assignatura
      Accés obert
      The aim of this report is to learn about dual-band antennas, and carry out electromagnetic simulations of pre-designed antennas using CST Studio Suite, a commercial software. We will replicate the structural models of ...

    • Dual-band Butler matrix for WLAN systems 

      Collado Gómez, Juan Carlos; Grau Besolí, Alfred; Flaviis, Franco de (Institute of Electrical and Electronics Engineers, 2005)
      Text en actes de congrés
      Accés obert
      This paper shows the design of a dual-band Butler matrix aimed to cover the bands corresponding to the standards IEEE802.11a/b, with particular interest in WLAN systems, at the 2.4 GHz and 5 GHz bands. Measurements of the ...

    • Dual-band planar quadrature hybrid with enhanced bandwidth response 

      Collado Gómez, Juan Carlos; Grau Besolí, Alfred; Flaviis, Franco de (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2006-01-31)
      Article
      Accés obert
      This paper presents the theory, design procedure, and implementation of a dual-band planar quadrature hybrid with enhanced bandwidth. The topology of the circuit is a three-branch-line (3-BL) quadrature hybrid, which ...

    • Dual-band Sierpinski fractal monopole antenna 

      Romeu Robert, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2000)
      Text en actes de congrés
      Accés obert
      A new top-loaded reduced-sized dual-band (1.9 GHz and 3.5 GHz) monopole antenna for wireless communications is presented. The antenna provides better than -15 dB input return loss and keeps the same radiation pattern over ...

    • Dual-beam interferometry for ocean surface current vector mapping 

      Frasier, Stephen J.; Camps Carmona, Adriano José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-02-28)
      Article
      Accés obert
      The recent use of along-track interferometry (ATI) in synthetic aperture radar (SAR) has shown promise for synoptic measurement of ocean surface currents. ATI-SARs have been used to estimate wave fields, currents, and ...

    • Dual-branch CNNs for vehicle detection and tracking on LiDAR data 

      Vaquero Gómez, Víctor; del Pino Bastida, Iván; Moreno-Noguer, Francesc; Solà Ortega, Joan; Sanfeliu Cortés, Alberto; Andrade-Cetto, Juan (2021-11-01)
      Article
      Accés obert
      We present a novel vehicle detection and tracking system that works solely on 3D LiDAR information. Our approach segments vehicles using a dual-view representation of the 3D LiDAR point cloud on two independently trained ...

    • Dual-core DSP for control and communication in AC microgrids 

      Castilla Fernández, Miguel; Miret Tomàs, Jaume (The Institution of Engineering and Technology, 2016-05-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Control circuits are a key element in the operation and performance of power electronics converters. This book describes practical issues related to the design and implementation of these control circuits, with a focus on ...

    • Dual-curable stereolithography resins for superior thermomechanical properties 

      Konuray, Ali Osman; Di Donato, Fabio; Sangermano, Marco; Bonada Bo, Jordi; Fernández Francos, Xavier; Serra Albet, Maria Àngels; Ramis Juan, Xavier (2020-09-01)
      Article
      Accés obert
      Stereolithography (SL) stands out as a relatively fast additive manufacturing method to produce thermoset components with high resolutions. The majority of SL resins consist of acrylate monomers which result in materials ...