Browsing by Subject "Tractament del senyal--Tècniques digitals"

Now showing items 1-20 of 33

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

      Lagén Morancho, Sandra (Universitat Politècnica de Catalunya, 2011-12-22)
      Master thesis (pre-Bologna period)
      Open Access
      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 ...

    • 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)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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 ...

    • Algoritmo para la estimación óptima de la fase instantánea 

      Lagunas Hernandez, Miguel A.; Gasull Llampallas, Antoni; Figueiras Vidal, Aníbal R.; Carol Vilanova, Antonio (1980)
      Conference report
      Open Access
      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)
      Conference report
      Open Access
      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 ...

    • 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)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      [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 ...

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

      Pons i Puig, Jordi (Universitat Politècnica de Catalunya, 2014-07-22)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • 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
      Open Access
      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 ...

    • Deep neural networks in acoustic model 

      Camacho Tejedor, Oriol (Universitat Politècnica de Catalunya, 2016-05-25)
      Bachelor thesis
      Open Access
      Covenantee:   Akademia Górniczo-Hutnicza im. S. Staszica w Krakowie
      Do implementation of a training of a deep neural network acoustic model for speech recognition

    • 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)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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)
      Master thesis
      Open Access
      [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 ...

    • Distributed Interference Management for CoMP-based Cellular Networks 

      Lagén Morancho, Sandra (Universitat Politècnica de Catalunya, 2013-09-04)
      Master thesis
      Restricted access - publisher's policy
      [ANGLÈS] With the objective of improving the system spectral efficiency and providing a homogeneous coverage for future cellular networks, this thesis: 1) proposes distributed inter-cluster interference management procedures ...

    • Effects for augmented reality audio headsets 

      Martí i Rabadán, Miquel (Universitat Politècnica de Catalunya, 2014-06-22)
      Bachelor thesis
      Open Access
      Covenantee:   Aalto-yliopisto. Sähkötekniikan korkeakoulu
      [ANGLÈS] Augmented reality is a real-time combination of real and virtual worlds. In augmented reality audio (ARA) real surrounding sounds are mixed with virtual sound sources. In this bachelor’s degree thesis a digital, ...

    • FPGA implementation of a contrast enhancement algorithm with discriminative filtering 

      Olivé Muñiz, Roger (Universitat Politècnica de Catalunya / Concordia University, 2013-07-18)
      Bachelor thesis
      Open Access
      Covenantee:   Concordia University. Faculty of Engineering and Computer Science
      [ANGLÈS] This project is the continuation of a research work focused on improving the current popular techniques for contrast enhancement in images. There are stills produced under very poor acquisition conditions, such ...

    • Heart rate estimation using facial video information 

      García Docampo, Noa (Universitat Politècnica de Catalunya / Universidad de Vigo. Escuela Técnica Superior de Ingenieros de Telecomunicaciones, 2012-11-05)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Centro Tecnolóxico de Telecomunicacións de Galicia (Gradiant)
      [ANGLÈS] In recent years, new technologies used for providing clinical health care remotely have appeared and new fields like telemedicine have experienced huge advancements. New ways for monitoring patients automatically ...

    • Implementierung von DSP-Ketten mit Transport Triggered Architectures 

      Lara Ambel, Juan (Universitat Politècnica de Catalunya / Johannes Kepler Universität Linz, 2012-08)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Johannes Kepler Universität Linz
      [ANGLÈS] An important requirement for modern transceivers in mobile communication applications is the support of different mobile communication standards. This requirement implies that the digital filters at the transceiver ...

    • Localització amb tecnologia UWB i emprant tècniques d’aprenentatge profund 

      Linde Martínez, David (Universitat Politècnica de Catalunya, 2021-07-05)
      Bachelor thesis
      Open Access
      Indoor localization is one of the key enablers for various application and service areas that rely on precise locations of people, goods, and assets, ranging from home automation and assisted living to increased automation ...

    • Musical instrument identification system based on a neurally inspired sound onset modelling 

      Reinés March, Gabriel (Universitat Politècnica de Catalunya / University of Edinburgh, 2013-07-18)
      Bachelor thesis
      Open Access
      Covenantee:   University of Edinburgh
      [ANGLÈS] In this project a musical tone classifier based on a neurally inspired onset model is performed, as many physiological and psychoacoustic evidences reveal the importance of the sound onset in the Human Auditory ...

    • Noise subspace communication: waveform optimization and interference management 

      Borràs Pino, Jordi (Universitat Politècnica de Catalunya, 2016-07-14)
      Bachelor thesis
      Open Access
      Nowadays, the increasing demand for high data-rate services increases the interest of spectral efficiency. As it is well-known, the spectrum is a limited resource. Thus, those newest techniques should exploit it efficiently. ...

    • Optimal linear shrinkage corrections of sample LMMSE and MVDR estimators 

      Serra Puertas, Jorge (Universitat Politècnica de Catalunya, 2012-07-05)
      Master thesis
      Open Access
      [ANGLÈS] This master thesis proposes optimal shrinkage estimators that counteract the performance degradation of the sample LMMSE and sample MVDR methods in the regime where the sample size is small compared to the observation ...

    • Un pas endavant cap a la predició del comportament de tecnologies MIMO per a entorns oberts, utilitzant Ray Tracing com a model de canal 

      Carreño Bautista de Lisbona, Xavier (Universitat Politècnica de Catalunya / Aalborg universitet, 2011-06)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Aalborg universitet / Intel Corporation
      [ANGLÈS] MIMO technologies have been introduced into newest systems, as LTE, to help meeting the current mobile communications data rate demand. Field testing is a necessary step in the performance optimization of the ...