Exploració per tema "Signal processing--Digital techniques"

Ara es mostren els items 1-20 de 73

    • A Constraint-Based Dynamic Geometry System 

      Freixas Boleda, Marc; Joan Arinyo, Robert; Soto Riera, Antoni (ACM, 2008)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Dynamic geometry systems are tools for geometric visualization. They allow the user to define geometric elements, establish relationships between them and explore the dynamic behavior of the remaining geometric elements ...

    • A system for robust iris recognition 

      Pérez Parera, Dídac (Universitat Politècnica de Catalunya, 2012-02-13)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      [ANGLÈS] Biometric technologies are becoming important due to the increasing demand for flexible and robust systems for identification and verification of individuals. In recent years, some biometrics has been proposed ...

    • Access modes based on coordinated multipoint for relay transmissions in 4G systems 

      Lagén Morancho, Sandra (Universitat Politècnica de Catalunya, 2011-12-22)
      Projecte/Treball Final de Carrera
      Accés obert
      English: the objective of this project is to explore and evaluate new system architectures for next generation cellular systems, by developing new system deployments and then deriving algorithms for the resource allocation ...

    • Acoplador direccional con líneas microstrip 

      Garcia Parodi, Diego Hernan (Universitat Politècnica de Catalunya, 2007-02)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      El proyecto de fin de carrera tiene como objetivo principal la realización de un acoplador direccional para su aplicación en la medición de señales de RF y Microondas, usando el programa ADS (Advanced Design System) ...

    • Acoustic Gait Recognition Using Large Scale Feature Extraction and Support Vector Machines 

      Anguera Jordà, Adriana (Universitat Politècnica de Catalunya / Technische Universität München, 2012-08-01)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Technische Universität München
      [ANGLÈS] In this document we present the study of acoustic gait recognition using large scale feature extraction and support vector machines. This work includes the presentation of the database recorded in two phases, with ...

    • Afinador d'instrument musical realitzat en Matlab 

      Prats Gallego, Albert (Universitat Politècnica de Catalunya, 2007-02)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Aquest projecte consisteix en el disseny d’un afinador d’instrument musical amb la característica d’indicar al music si una nota està afinada o s’ha d’ajustar. De fet, l’afinador d’instrument musical està preparat per ...

    • Algoritmo para la estimación óptima de la fase instantánea 

      Lagunas Hernandez, Miguel A.; Gasull Llampallas, Antoni; Figueiras Vidal, Aníbal R.; Carol Vilanova, Antonio (1980)
      Text en actes de congrés
      Accés obert
      A new approach in the problem of phase detectors is presented. The procedure is started from the optimum design of digital phase locked loop (DPLL) and some fundamental aspects as the state equations for the communication ...

    • Analizador de espectro digital de 2.048 muestras de tipo captura 

      Vázquez Grau, Gregorio (Fundación Universidad-Empresa, 1986)
      Text en actes de congrés
      Accés obert
      En muchas aplicaciones, tales como geofísica, análisis de voz, calibración de instrumentos, medidas acústicas, etc. es útil el procesado digital de señal. En el presente trabajo se presenta el diseño de un procesador ...

    • Analysis and implementation of approximate operators for digital processing 

      Navarro Paredes, Carlos (Universitat Politècnica de Catalunya, 2022-10-26)
      Treball Final de Grau
      Accés obert
      Today the use of arithmetic operators is present in all fields of electronics and is used by a very wide range of technologies. Typically, these arithmetic circuits have always stood out for having high time response and ...

    • Analysis of Assisted GPS in LTE-Advanced networks and its applications to traditional and VTL based software receivers 

      Figueroa Naharro, Marta; Torné Sanjosé, Albert (Universitat Politècnica de Catalunya, 2013-05-30)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] The performance of GPS, and all GNSS, degrades significantly in urban canyons and in indoor environments. There has been significant research in order to enhance the performance of a GPS receiver in such challenging ...

    • Análisis de técnicas incoherentes para la detección de movimientos del terreno con imágenes SAR 

      Pastó Bota, Anna Rosa (Universitat Politècnica de Catalunya, 2012-04-23)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      [ANGLÈS] The SAR (Synthetic Aperture Radar) system delivers high resolution images of Earth's surface. This project aim is to detect and measure ground motions from two incoherent techniques, i.e. those techniques developed ...

    • Aportacions als sistemes de reconeixement de logotips en esdeveniments esportius 

      Beltran Sanchidrian, Pablo (Universitat Politècnica de Catalunya, 2013-07-17)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] This report presents a system to detect logotypes in sport events. It is based on the actual methods used to recognize objects, which look for patterns extracted from them. The implementation of David Lowe’s version ...

    • Armonizador para instrumento musical 

      Anchuela Arnalte, Carlos (Universitat Politècnica de Catalunya, 2013-12-20)
      Treball Final de Grau
      Accés obert
      Este proyecto desarrolla una aplicación que permite generar una armonía a partir de una nota musical teniendo en cuenta la escala y la tonalidad. El trabajo está dividido en tres partes. Primero se desarrolla la aplicación ...

    • Automatic Drums Transcription for polyphonic music using Non-Negative Matrix Factor Deconvolution 

      Pons i Puig, Jordi (Universitat Politècnica de Catalunya, 2014-07-22)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • CARAMEL: results on a secure architecture for connected and autonomous vehicles detecting GPS spoofing attacks 

      Vitale, Christian; Piperigkos, Nikos; Laoudias, Christos; Ellinas, Georgios; Casademont Serra, Jordi; Escrig, Josep; Kloukiniotis, Andreas; Lalos, Aris; Moustakas, Konstantinos; Diaz Rodriguez, Rodrigo; Baños, Daniel; Roqueta Crusats, Gemma; Kapsalas, Petros; Hofmann, Klaus Peter; Khodashenas, Pouria Sayyad (2021-05-04)
      Article
      Accés obert
      The main goal of the H2020-CARAMEL project is to address the cybersecurity gaps introduced by the new technological domains adopted by modern vehicles applying, among others, advanced Artificial Intelligence and Machine ...

    • Contribución al diseño de GNSS-SDR, un receptor GNSS de código abierto 

      Esteve Elfau, Luis (Universitat Politècnica de Catalunya, 2013-07-11)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] This project introduces GNSS-SDR, an open source Global Navigation Satellite System software-defined receiver. The lack of reconfigurability of current commercial-of-the-shelf receivers and the advent of new ...

    • Deep neural networks in acoustic model 

      Camacho Tejedor, Oriol (Universitat Politècnica de Catalunya, 2016-05-25)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Akademia Górniczo-Hutnicza im. S. Staszica w Krakowie
      Do implementation of a training of a deep neural network acoustic model for speech recognition

    • Design and implementation of a loudness monitoring system 

      Cenzano Ferret, Jordi (Universitat Politècnica de Catalunya, 2013-07-24)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] The main objective of the project is to explore the normalization of audio levels in the media industry, which is a relevant issue nowadays. Many broadcast organizations around the world are concerned about this ...

    • Détection de texte dans des images vidéo: apprentissage de dictionnaires ou extraction de caractéristiques 

      Castillo Quer, Jordi (Universitat Politècnica de Catalunya / Institut National Polytechnique de Toulouse, 2013-09-10)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Institut national polytechnique de Toulouse
      [AMGLÈS] This PFC describes two approaches for text detection in video images. The first one, unsuccessful, is based on dictionary learning with KSVD algorithm. A letter dictionary and a background dictionary are trained ...

    • 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 ...