Listar Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila por título
Mostrando ítems 19-38 de 648
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Análisis, diseño y control de convertidores multinivel
Esta tesis doctoral se enmarca en el proyecto “Azimut: Energía Eólica Offshore 2020" cuyo objetivo es el desarrollo de nuevas estructuras de conversión que permitan alcanzar una mayor potencia y tensión para aplicaciones ... -
Analysis and description of HOLTIN service provision for AECG monitoring in complex indoor environments
In this work, a novel ambulatory ECG monitoring device developed in-house called HOLTIN is analyzed when operating in complex indoor scenarios. The HOLTIN system is described, from the technological platform level to its ... -
Analysis and synthesis of vibrato in lyric singers
In this paper two aspects of the vibrato signal characterisation are presented. First, an analysis method, which breaks down the musical signal into its different partials, and decomposes them into two separate ... -
Analysis matrix for smart cities
The current digital revolution has ignited the evolution of communications grids and the development of new schemes for productive systems. Traditional technologic scenarios have been challenged, and Smart Cities have ... -
Analysis of bluetooth-based wireless sensor networks performance in hospital environments
In this work, a method to analyze the performance of Bluetooth-based Wireless Sensor Networks (WSN) deployed within hospital environments is presented. Due to the complexity that this kind of scenarios exhibit in terms of ... -
Analysis of one-dimensional photonic band gap structures with a liquid crystal defect towards development of fiber-optic tunable wavelength filters
A theoretical analysis of a fiber optical photonic band gap based tunable wavelength filter is presented. The design presented here is based on the quarter wave reflector with a liquid crystal defect layer in the middle ... -
Analysis of radio wave propagation for ISM 2.4 GHz wireless sensor networks in inhomogeneous vegetation environments
The use of wireless networks has experienced exponential growth due to the improvements in terms of battery life and low consumption of the devices. However, it is compulsory to conduct previous radio propagation analysis ... -
Analysis of radio wave propagation for ISM 2.4GHz wireless sensor networks in inhomogeneous vegetation environments
The use of wireless networks has been extended in an exponential growing due to the improvement in terms of battery life and low consumption of the devices. However, it is highly important to conduct previous radio propagation ... -
Analysis of surface-plasmon-like modes under an engineering perspective
In this communication we show how one can exploit equivalent circuits to analyze surface-plasmon-like modes (slit and hole arrays, Sievenpiper mushrooms and coaxial hole arrays) and to propose new designs with outstanding ... -
Analysis of wireless sensor network topology and estimation of optimal network deployment by deterministic radio channel characterization
One of the main challenges in the implementation and design of context-aware scenarios is the adequate deployment strategy for Wireless Sensor Networks (WSNs), mainly due to the strong dependence of the radiofrequency ... -
Analysis, characterization and modeling of interference sources on wireless communication systems in complex indoor scenarios
This research work presents a novel methodology of assessing wireless interferences on Wireless Sensor Networks (WSN) by the aid of an in-house developed 3D Ray Launching method, which is a novel deterministic approach ... -
Analytical design methodology for Litz-wired high-frequency power transformers
In the last quarter of a century, high-frequency (HF) transformer design has been one of the major concerns to power electronics designers in order to increase converter power densities and efficiencies. Conventional design ... -
Annular apertures in metallic screens as extraordinary transmission and frequency selective surface structures
A 2-D periodic array of annular apertures (or ring slots) is studied using an accurate circuit model. The model accounts for distributed and dynamic effects associated with the excitation of high-order modes operating above ... -
Antena corrugada con perfil gaussiano de gran ancho de banda
En este trabajo se presenta el diseño de una antena de bocina corrugada con más de un 40% de ancho de banda. Los patrones de radiación medidos coinciden muy bien con los simulados. Esta antena se puede usar en aplicaciones ... -
Antenas de bocina optimizadas para acoplar modos gaussianos de orden superior
The concept of higher order free space modes, gaussian-like beam modes can be applied to efficiently transport the power generated by a gyrotron for technological applications. Waveguide modes can be coupled properly to ... -
An antibacterial coating based on a polymer/sol-gel hybrid matrix loaded with silver nanoparticles
In this work a novel antibacterial surface composed of an organic-inorganic hybrid matrix of tetraorthosilicate and a polyelectrolyte is presented. A precursor solution of tetraethoxysilane (TEOS) and poly(acrylic acid ... -
An antibacterial surface coating composed of PAH/SiO2 nanostructurated films by Layer by Layer
In this article we propose a novel antibacterial coating composed of SiO2 and the polymer Poly(allylamine hydrochloride) (PAH) on glass slides by the technique Layer-by- Layer (LbL)1. This technique has already used in ... -
Application of gold complexes in the development of sensors for volatile organic compounds
Two different kinds of sensors have been developed by using the same kind of vapochromic complexes. The vapochromic materials [Au2Ag2(C6F5)(4)L-2](n) have different colours depending on the ligand L. These materials change, ... -
Application of remote power-by-light switching in a simplified BOTDA sensor network
We propose and demonstrate the use of spatial multiplexing as a means to reduce the costs of distributed sensing networks. We propose a new scheme in which remote power-by-light switching is deployed to scan multiple ... -
Application of visual hyperacuity to imaging and antenna systems
El Sistema Visual Humano es capaz de llevar a cabo múltiples tareas, tales como enfocar objetos a diferentes distancias u obtener imágenes con un amplio rango dinámico. Sin embargo, la función más impresionante está ...