1. Home
  2. Browsing by Title

Browsing by Title

Now showing items 7734-7753 of 41734

    Contributions to the environmental assessment of road transport 

    Moliner Santisteve, Enrique (Date of defense: 2013-10-31)

    El objetivo de esta tesis es proporcionar un mayor grado de conocimiento sobre ciertos aspectos medioambientales del transporte por carretera que aún no han sido investigados en profundidad. En concreto, la tesis aborda ...

    Contributions to the evaluation and improvement of LoRaWAN 

    Casals Ibáñez, Lluís (Date of defense: 2023-05-30)

    (English) Low Power Wide Area Network (LPWAN) technologies have gained significant momentum as wireless solutions for implementing Internet of Things (IoT) applications and services. The unique set of LPWAN features, such ...

    Contributions to the evolution of next generation WLANs 

    Afaqui, Muhammad Shahwaiz (Date of defense: 2017-06-28)

    The explosive growth in usage of IEEE 802.11 based WLAN networks has resulted in dense deployments in diverse environments and has made the concept of anytime - anywhere data connectivity a realm of commercial reality. The ...

    Contributions to the future media internet using service-oriented architectures 

    González Cela, Alberto José (Date of defense: 2012-09-26)

    Nowadays, video streaming applications are the most bandwidth-hungry applications and this tendency is envisaged to grow exponentially. With the proliferation of multimedia capable devices, multimedia services have to ...

    Contributions to the implementation of integrated environmental and health and safety management systems in construction companies 

    Gangolells, Marta (Date of defense: 2010-01-08)

    Molts dels problemes i obstacles que més freqüentment han d’encarar les empreses constructores durant el procés d’implementació i ús de sistemes integrats de gestió mediambiental i de seguretat i salut estan relacionats ...

    Contributions to the interactive visualization of medical volume models in mobile devices 

    Campoalegre Vera, Lázaro (Date of defense: 2014-07-11)

    With current medical imaging improvements, specialists are being able to obtain correct information of anatomical structures of the human organism. By using different image visualization techniques, experts can obtain ...

    Contributions to the knowledge of a new disease caused by an amoeba in ongrowing Senegalese sole, Solea senegalensis (Kaup 1858) 

    Constenla Matalobos, María (Date of defense: 2013-01-25)

    la costa atlántica de España. Esta patología se caracteriza por la presencia de protuberancias que se evidencian a través de la piel de los peces afectados. Estas lesiones se corresponden con nódulos en el tejido muscular, ...

    Contributions to the knowledge of marine heterobranch sea slugs (Mollusca: Gastropoda): Panama biodiversity and cryptic species 

    Córdoba González, Darío Eliecer (Date of defense: 2022-07-18)

    The biodiversity of a country is part of its natural wealth and the study of it is fundamental for a scientific researcher, such is the case of the Panamanian marine coasts in which there has not been an exhaustive taxonomic ...

    Contributions to the knowledge of the multitemporal spatial patterns of the Iberian Peninsula droughts from a Geographic Information Science perspective 

    Domingo Marimon, Cristina (Date of defense: 2016-01-25)

    La sequera, una amenaça natural i insidiosa, és un fenomen complex que involucra processos climàtics i genera grans impactes ambientals i socioeconòmics. En els últims anys l’interès en el seguiment i en els efectes de ...

    Contributions to the measurement of electrical impedance for living tissue ischemia injury monitoring 

    Ivorra Cano, Antoni (Date of defense: 2005-02-28)

    Aquesta tesi es centra en el desenvolupament i l'ús d'una sonda miniaturitzada de silici per a la mesura de la impedància elèctrica de teixits vius tous. El propòsit d'aquestes mesures d'impedància és la monitorització ...

    Contributions to the modulation and closed-loop control of multilevel dual-active-bridge Dc-Dc converters 

    Filbà Martínez, Àlber (Date of defense: 2017-07-21)

    Galvanically-isolated bidirectional dc-dc converters (IBDCs) have recently received more attention due to its increasing use in systems requiring energy transfer between two dc networks in both directions, requiring galvanic ...

    Contributions to the multivariate Analysis of Marine Environmental Monitoring 

    Graffelman, Jan (Date of defense: 2000-09-12)

    The thesis parts from the view that statistics starts with data, and starts by introducing the data sets studied: marine benthic species counts and chemical measurements made at a set of sites in the Norwegian Ekofisk oil ...

    Contributions to the Optimisation of aircraft noise abatement procedures 

    Prats, Xavier (Date of defense: 2010-01-29)

    Tot i que en les últimes dècades la reducció del soroll emès pels avions ha estat substancial, el seu impacte a la població ubicada a prop dels aeroports és un problema que encara persisteix. Contenir el soroll generat ...

    Contributions to the performance evaluation and improvement of the IPv6 routing protocol for low-power and lossy networks 

    Kermajani, Hamidreza (Date of defense: 2014-09-03)

    Wireless Sensor Networks (WSNs) have become increasingly important. These networks comprise sensor and actuator nodes that enable intelligent monitoring and control applications in a wide spectrum of environments including ...

    Contributions to the planning and analysis of factorial designs 

    Xampeny Solaní, Rafael (Date of defense: 2018-06-20)

    The thesis is structured in five articles. In the first article, two methods are compared to analyze the significance of the effects: the Lenth method and the one based on the estimation of the variance of the effects from ...

    Contributions to the risk assessment of major accidents in port areas 

    Ronza, Andrea (Date of defense: 2007-11-22)

    Esta tesis se presenta como un conjunto de artículos (ya publicados en revistas internacionales, con la excepción del Artículo 6) precedidos por una serie de capítulos introductorios. 1. Introducción. Describe los puertos ...

    Contributions to the routing of traffic flows in multi-hop IEEE 802.11 wireless networks 

    Catalán Cid, Miguel (Date of defense: 2016-02-10)

    The IEEE 802.11 standard was not initially designed to provide multi-hop capabilities. Therefore, providing a proper traffic performance in Multi-Hop IEEE 802.11 Wireless Networks (MIWNs) becomes a significant challenge. ...

    Contributions to the security and privacy of electronic ticketing systems 

    Vives Guasch, Arnau (Date of defense: 2013-07-09)

    Un bitllet electrònic és un contracte en format digital entre dues parts, l'usuari i el proveïdor de serveis, on hi queda reflectit l'acord entre ambdós per tal que l'usuari rebi el servei que desitja per part del proveïdor. ...

    Contributions to the security of cognitive radio networks 

    León Abarca, Olga (Date of defense: 2012-01-31)

    The increasing emergence of wireless applications along with the static spectrum allocation followed by regulatory bodies has led to a high inefficiency in spectrum usage, and the lack of spectrum for new services. In this ...

    Contributions to the study of Cartier algebras and local cohomology modules 

    Fernandez Boix, Alberto (Date of defense: 2014-11-20)

    This dissertation is devoted to the study of Cartier algebras and local cohomology modules; more precisely, we show that the Cartier algebra of a complete Stanley-Reisner ring R can only be either principally generated or ...