Now showing items 1-18 of 18

    • Acoustic Alarm Detection Based on Matched Filter and Morphological Tools 

      Gomez Quintana, Sergi (Universitat Politècnica de Catalunya, 2015-07)
      Master thesis (pre-Bologna period)
      Open Access
      Proposal and validation of a acoustic alarm detection system (deterministic) based on matched filter and morphological tools.
    • Calibration techniques of interferometric microwave receivers 

      Ortega Corral, Antonio (Universitat Politècnica de Catalunya, 2017-10-18)
      Bachelor thesis
      Restricted access - author's decision
      An interferometer for orbital determination receives a satellite signal at different spatial points using antennas that form a baseline. Those received signals have a different phase which is related to the distance between ...
    • Discovering causality 

      Iglesias Rosich, Adrià (Universitat Politècnica de Catalunya, 2018-05)
      Bachelor thesis
      Open Access
      This thesis aims to study the field of signal processing applied to the detection of common causes in processes apparently from different origins. This will be done using adaptive filtering, more specifically three different ...
    • ¿Existe relación entre los mercados de bonos y acciones en la Eurozona? 

      Márquez Cebrian, M. Dolores; Muñoz Gracia, María del Pilar; Soriano, Pilar (2010)
      Conference report
      Restricted access - publisher's policy
      El objetivo de este trabajo es investigar, en la Eurozona, la relación existente entre los mercados de bonos y acciones, conocer y cuantificar dicha relación es de vital importancia en la gestión de riesgos. Con este ...
    • FPGA implementation of quadratic minimization algorithms for digital predistortion linearization 

      Fernandes Marques, Nuno Filipe (Universitat Politècnica de Catalunya, 2013-07-24)
      Bachelor thesis
      Restricted access - author's decision
      The PA is one of the most important subsystems of the RF transmitter and it is responsible of the main part of the overall transmitter's power consumption. In order to increase the efficiency of the PA, this project proposes ...
    • FSK transceiver implementation by means of reprogramming the FPGA of the USRP 

      Lax Cortina, Jorge (Universitat Politècnica de Catalunya, 2014-12)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement
      Covenantee:   Karlsruher Institut für Technologie
    • Heart Failure Factors: a database approach 

      Gállego Olsina, Gerard Ion (Universitat Politècnica de Catalunya, 2019-03)
      Bachelor thesis
      Open Access
      This project aims to find relationships between psychological stress factors and heart attacks that took place in Catalunya between 2010 and 2016. We have measured these factors through the news that were published in La ...
    • Krimtrack: An integrated coordination with a virtual machine learning advisor 

      Gómez Guillén, David (Universitat Politècnica de Catalunya, 2014-10)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] Krimtrack is an integrated coordination system targeted at security companies and other organizations with a large number of staff to manage. There are three parts: mobile terminals with Android OS, the communication ...
    • LOOPTOR: Fighting traffic correlation on the Tor network 

      Planas Planas, Jaume (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      Covenantee:   École polytechnique fédérale de Lausanne
      Tor is a general-purpose anonymous communication network. It is low-latency to support a wide variety of applications, including web browsing, at a low bandwidth overhead. Nevertheless, this makes Tor vulnerable to traffic ...
    • Maximum flatness spectral modeling 

      Nadeu Camprubí, Climent (1990-11)
      Article
      Open Access
    • Photon-counting double-random-phase encoding for secure image verification and retrieval 

      Pérez Cabré, Elisabet; Abril Báez, Héctor; Millán Garcia-Varela, M. Sagrario; Javidi, Bahram (Institute of Physics (IOP), 2012-09)
      Article
      Open Access
    • Photon-counting multifactor optical encryption and authentication 

      Pérez Cabré, Elisabet; Mohammed, E. A.; Millán Garcia-Varela, M. Sagrario; Sadoon, H. L (Institute of Physics (IOP), 2015-02-01)
      Article
      Open Access
      The multifactor optical encryption authentication method [Opt. Lett., 31 721-3 (2006)] reinforces optical security by allowing the simultaneous authentication of up to four factors. In this work, the photon-counting imaging ...
    • Proportionality: a valid alternative to correlation for relative data 

      Lovell, David; Pawlowsky-Glahn, Vera; Egozcue Rubí, Juan José; Marguerat, Samuel; Baehler, Juerg (2015-03-01)
      Article
      Open Access
      In the life sciences, many measurement methods yield only the relative abundances of different components in a sample. With such relative-or compositional-data, differential expression needs careful interpretation, and ...
    • Robust TDOA Estimation in a Continuous Stereo Audio Track 

      Colomer Puig, Alejandro (Universitat Politècnica de Catalunya / Universität Freiburg im Breisgau, 2013-12-16)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Universität Freiburg im Breisgau
      [ANGLÈS] Algorithm realization based on the time difference of arrivals (TDOA) of two signals caught by two microphones coming from the voice of a speaker in order to define their position by using the phase correlation ...
    • Sampling walls in signal detection of Bernoulli nonuniformly sampled signals 

      Font Segura, Josep; Vázquez Grau, Gregorio; Riba Sagarra, Jaume (2013)
      Conference report
      Restricted access - publisher's policy
      In this work, we show the existence of sampling walls in signal detection of nonuniformly sampling wideband signals in the presence of noise uncertainty. A sampling wall is the sampling rate below which the target error ...
    • Theoretical study of the effect of detector and correlator defects on diffuse correlation spectroscopy for non-invasive blood flow measurements 

      Rioja Donoso, Patricia (Universitat Politècnica de Catalunya, 2015-07-21)
      Master thesis (pre-Bologna period)
      Open Access
      Diffuse optics has provided new methods and techniques in the biomedical environment to diagnose, treat and measure pathologies. One of this techniques is the diffuse correlation spectroscopy (DCS) which is used for ...
    • Un dispositivo gráfico Biplot para modelar relaciones entre dos conjuntos de variables 

      Vásquez, Maura; Ramírez, Guillermo; Camardiel, Alberto; Aluja Banet, Tomàs (2008-09-10)
      Article
      Restricted access - publisher's policy
      En la regresión multivariante se analizan relaciones entre un conjunto de indicadores de un determinado fenómeno (variables y’s) y otro de variables explicativas (variables x’s). Previo a la modelación resulta útil contar ...
    • Warehouse order picking 

      Sánchez González, David (Universitat Politècnica de Catalunya / Vilniaus Gedimino Technikos Universitetas, 2014)
      Bachelor thesis
      Open Access
      Covenantee:   Vilniaus Gedimino technikos universitetas
      Warehouses’ management is becoming more important inside the logistics’ world lately, an optimal management implies a working time reduction and it leads to a cost reduction. The objective of this thesis is to discover ...