Mostrando ítems 205-224 de 347
Palou Visa, Guillem (Fecha de defensa: 2014-02-21)
When humans observe a scene, they are able to perfectly distinguish the different parts composing it. Moreover, humans can easily reconstruct the spatial position of these parts and conceive a consistent structure. The ...
Gilabert Pinal, Pere Lluís (Fecha de defensa: 2008-02-12)
Aquesta Tesi Doctoral se centra en el disseny d'un nou linealitzador de Predistorsió Digital (Digital Predistortion - DPD) capaç de compensar la dinàmica i els efectes no lineals introduïts pels Amplificadors de Potència ...
Guardiola Garcia, Marta (Fecha de defensa: 2013-10-31)
Medical imaging refers to several different technologies that are used to view the human body in order to diagnose, monitor, or treat medical conditions. Each type of technology gives different information about the area ...
Maceira Duch, Marc (Fecha de defensa: 2017-06-21)
Depth map data is used to supplement the color data in multi-view sequences. As depth maps present distinct Characteristics than natural color images, new coding techniques are required to represent their smooth regions ...
Alonso González, Alberto (Fecha de defensa: 2014-06-13)
This thesis deals with the processing of different types of multidimensional SAR data for distinct applications. Instead of handling the original pixels of the image, which correspond to very local information and are ...
López Martinez, Carlos (Fecha de defensa: 2003-06-02)
Los Radares de Apertura Sintética, o sistemas SAR, representan el mejorejemplo de sistemas activos de teledetección por microondas. Debido a su naturaleza coherente, un sistema SAR es capaz de adquirir información dedispersión ...
Ferrer González, Pere Josep (Fecha de defensa: 2015-07-17)
Over the last decades, Metamaterials (MTMs) have caught the attention of the scientific community. Metamaterials are basically artificially engineered materials which can provide unusual electromagnetic properties not ...
Tamayo Palau, José María (Fecha de defensa: 2011-02-17)
El Método de los Momentos (MoM) ha sido ampliamente utilizado en las últimas décadas para la discretización y la solución de las formulaciones de ecuación integral que aparecen en muchos problemas electromagnéticos de ...
Contreras Lizarraga, Adrián Arturo (Fecha de defensa: 2013-11-29)
This thesis presents the conception, design and implementation of new topologies of multimodal microwave resonators and filters, using a combination of uniplanar technologies such as coplanar waveguide (CPW), coplanar ...
Marqués Acosta, Fernando (Fecha de defensa: 1992-11-22)
La segmentación de imágenes es una técnica que tiene como finalidad dividir una imagen en un conjunto de regiones, asignando a cada objeto en la escena una o varias regiones. Para obtener una segmentación correcta, cada ...
Piles Guillem, Maria (Fecha de defensa: 2010-07-16)
La humedad del suelo es la variable que regula los intercambios de agua, energía, y carbono entre la tierra y la atmósfera. Mediciones precisas de humedad son necesarias para una gestión sostenible de los recursos hídricos, ...
González Vidal, Juan José (Fecha de defensa: 2017-09-29)
The application of spectroscopic techniques is crucial for art historians and conservators who require knowledge of materials used in works of art (pigments, dyes, binders, additives, ...) in particular instances. In this ...
Antonopoulos, Angelos (Fecha de defensa: 2012-12-17)
The introduction of third generation (3G) technologies has caused a vast proliferation of wireless devices and networks, generating an increasing demand for high level Quality of Service (QoS). The wide spread of mobile ...
Tseliou, Georgia (Fecha de defensa: 2019-07-17)
The complexity of operation and management of emerging cellular networks significantly increases, as they evolve to correspond to increasing QoS needs, data rates and diversity of offered services. Thus critical challenges ...
Omella Cancer, Mireia (Fecha de defensa: 2010-10-18)
This research is developed in the context of the Next Generation of Passive Optical Networks (NG-PON) for Fibre to the Home (FTTH) network. In this thesis, several techniques are proposed in order to increase the network ...
Joroughi, Vahid (Fecha de defensa: 2015-12-02)
Satellite communication will play a central role towards fulfilling next generation 5G communication requirements. As a matter of fact, anytime-anywhere connectivity cannot be conceived without the presence of the satellite ...
Velásquez Micolta, Juan Camilo (Fecha de defensa: 2019-07-25)
Nowadays, Fiber-to-the-Home is one of the most promising solutions to provide broadband services in access networks. However, the fiber is inefficiently used as most of the deployed systems are still based on Time Division ...
Escayola Elias, Francesc Xavier (Fecha de defensa: 2015-12-11)
In recent decades, the industry of communications has acquired huge significance, and nowadays constitutes an essential tool for the society information. Thus, the exponential growth in demand of broadband services and ...
García Pastor, David (Fecha de defensa: 2021-03-09)
Nowadays, mobile devices have become a key technology in our lives, making us become part of a connected world, in which millions of mobile handsets are sold every year. In order to satisfy the user demands, many mobile ...
Rocas Cantenys, Eduard (Fecha de defensa: 2011-06-22)
The telecommunications industry follows a tendency towards smaller devices, higher power and higher frequency, which imply an increase on the complexity of the electronics involved. Moreover, there is a need for extended ...