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Ara es mostren els items 62593-62612 de 245681

    • Digital and physical layer network coding performance in the context of enforced fairness 

      Miliotis, Vasileios; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, we investigate the performance of the so-called Cross Network operating under diverse Network Coding (NC) techniques. We study the impact of Medium Access Control (MAC) layer fairness on the throughput ...

    • Digital back-end for RFI detection and mitigation in earth observation 

      Forte Veliz, Giuseppe Francesco; Querol Borràs, Jorge; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A powerful real time Radio-frequency interference (RFI) mitigation back-end system is presented in this work. The interfering signals are estimated by using the wavelet transform to utilize its effective denoising capability. ...

    • Digital back-end for RFI detection and mitigation in microwave radiometers 

      Forte Veliz, Giuseppe Francesco; Camps Carmona, Adriano José; Ramos, I.; Vall-Llossera Ferran, Mercedes Magdalena (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Radio-frequency interference (RFI) is a serious problem in microwave radiometry. In order to process the received data in real time, a powerful back-end for RFI detection and mitigation system must be implemented. This ...

    • Digital Beamforming Implementation on an FPGA Platform 

      Bernal Casas, David (Universitat Politècnica de Catalunya, 2007-07)
      Projecte/Treball Final de Carrera
      Accés obert
      The objective of the work presented is to implement a Digital Beamforming (DBF) platform for an antenna array receiver designed for the S-DMB system. Our project deals with the design of antenna arrays from a hardware ...

    • Digital biomarkers and sex impacts in Alzheimer’s disease management — potential utility for innovative 3P medicine approach 

      Harms, Robbert L.; Ferrari, Alberto; Meier, Irene B.; Martinkova, Julie; Santus, Enrico; Cirillo, Davide; Valencia, Alfonso (BioMed Central (BMC), 2022-06)
      Article
      Accés obert
      Digital biomarkers are defined as objective, quantifiable physiological and behavioral data that are collected and measured by means of digital devices. Their use has revolutionized clinical research by enabling high-frequency, ...

    • Digital blood image processing and fuzzy clustering for detection and classification of atypical lymphoid B cells 

      Alférez Baquero, Edwin Santiago; Merino, Anna; Mújica Delgado, Luis Eduardo; Ruiz Ordóñez, Magda; Bigorra, Laura; Rodellar Benedé, José (EUETIB, 2013-12)
      Text en actes de congrés
      Accés obert
      Automated systems for digital peripheral blood (PB) cell analysis operate most effectively in non-pathological samples. The paper deals with the automatic classification of atypical lymphoid cells using digital image ...

    • Digital coherent receiver for orbital angular momentum demultiplexing 

      Belmonte Molina, Aniceto; Pérez Torres, Juan (2013-01-15)
      Article
      Accés obert
      We put forward a type of receiver for coherent detection of the photon orbital angular momentum (OAM). A coherent array receiver, consisting of multiple subapertures, with each subaperture coupled to a single-mode fiber, ...

    • Digital coherent transceiver for optical communications: from design to implementation 

      Anzuola Valencia, Esdras (Universitat Politècnica de Catalunya, 2012-02)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] In this project we analyze the theoretical models of optical coherent communication systems as well as the front-end arquitectures used to implement them. Key concepts as balanced photo detection and quantum limit ...

    • Digital colour sensors and gestural interfaces for smart lighting applications 

      Romea Ordorica, Elisa (Universitat Politècnica de Catalunya, 2017-02-10)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Institut de Recerca en Energia de Catalunya
      This project aims to implement optical and gestural sensors for future smart lighting systems. The first application involve a comparison between a digital spectrometer and a digital colour sensor TCS3472 in order to ...

    • Digital Communication System with Multi-carrier Modulation (OFDM) for Power Line Communication 

      Ramírez Jávega, Francisco (Universitat Politècnica de Catalunya, 2008-10)
      Projecte/Treball Final de Carrera
      Accés obert
      Se propone el un diseño para un receptor OFDM. El esquema de sincronismo esta dividido en cuatro partes para estimar el sincronismo de los simboles, el offset frecuencial y el canal de transmision. Se implementa un esquema ...

    • Digital communications applied to underwater acoustics 

      Jean Bouvet, Pierre (SARTI, 2014-08)
      Article
      Accés obert

    • Digital computer simulation of monopulse antennas by exploiting a signal antenna analogy 

      Delgado Penin, José Antonio (1983)
      Text en actes de congrés
      Accés obert
      This paper presents a digital computer simulation meihodology approach to mono pulse antennas modeling. Emphasis is given to the techniques for this modeling. We consider two central concepts: the 'analytic signal' and the ...

    • Digital concierge, automation of help and problem solving to people in buildings 

      González Sánchez, Óscar (Universitat Politècnica de Catalunya, 2022-07-04)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Avanade Spain
      Durante los últimos años, tras una pandemia que ha afectado, y sigue afectando, a toda la ciudadanía, el mundo ha experimentado un cambio social que ha supuesto un gran impacto para el sector laboral. La gran mayoría de ...

    • Digital continuity for additive manufacturing 

      Martínez Vidal, Laura (Universitat Politècnica de Catalunya / École Centrale de Nantes, 2017-09)
      Projecte Final de Màster Oficial
      Accés obert
      La fabrication additive (FA) consiste en l'addition successive de couches matérielle s jusqu 'a ce que la piece finale souhaitée soit achevée. En plus de la complexité des relations entre tous les différents produits ...

    • Digital control and optimization of an interferometric orbit observation system for GEOSAR missions 

      Gonzalez Rodriguez, Alejandro (Universitat Politècnica de Catalunya, 2020-07-17)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Digital Control of a DC-DC Converter for Visible Light Communication Applications 

      Jaramillo Ayavaca, Wilson (Universitat Politècnica de Catalunya, 2022-10-27)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      This project aims to demonstrate the implementation of a custom LED driver for Visible Light Communications (VLC) applications, based on the C2000 Digital Power Buck Converter Booster Pack developed by Texas Instruments. ...

    • Digital control of a power conditioner for fuel cell/super-capacitor hybrid system 

      Trujillo Caballero, Juan Carlos; Gomis Bellmunt, Oriol; Montesinos Miracle, Daniel; Posada Gómez, Rubén; Pouresmaeil, Edris; Aquino Robles, Jose A. (Taylor & Francis, 2014-01-25)
      Article
      Accés restringit per política de l'editorial
      This article proposes a digital control scheme to operate a proton exchange membrane fuel cell module of 1.2 kW and a super-capacitor through a DC/DC hybrid converter. A fuel cell has been proposed as a primary source of ...

    • Digital control of a renewable energy resource interfacing the distribution grid 

      Ferrer Duran, Marc (Universitat Politècnica de Catalunya, 2018-02)
      Projecte Final de Màster Oficial
      Accés obert
      This project focuses on a power electronics unit composed by a boost converter and a three-phase inverter for use in a photovoltaic generation in grid-connected applications. The main aim is to build a setup with its ...

    • Digital control of multiphase series capacitor buck converter prototype for the powering of HL-LHC inner triplet magnets 

      Ibarra Basabe, Edorta; Arias Pujol, Antoni; Martínez de Alegría, Iñigo; Otero, Alberto; de Mallac, Louis (Institute of Electrical and Electronics Engineers (IEEE), 2022-10-01)
      Article
      Accés obert
      A major upgrade will be conducted in the Large Hardon Collider (LHC) at CERN. This high-luminosity (HL) version of the LHC will increase the nominal luminosity by a factor of five. One of the key technologies of the HL-LHC ...

    • Digital control of pre-turbulent flows in a Taylor-Couette device 

      Gil Bofill, Núria (Universitat Politècnica de Catalunya, 2019-07-09)
      Treball Final de Grau
      Accés obert
      Transition to turbulence is one of the oldest problems yet to be solved in physics and engineering. Certain fluid systems are known to undergo a laminar-turbulent transition through a deterministic route of laminar flows ...