Listar Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila por título
Mostrando ítems 21-40 de 648
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Analysis and synthesis of vibrato in lyric singers
Arroabarren Alemán, Ixone
; Carlosena García, Alfonso 
(2002)
Contribución a congreso / Biltzarrerako ekarpena 
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
Branchi, Pablo Emilio; Fernández Valdivielso, Carlos ; Matías Maestro, Ignacio (MDPI, 2014)
Artículo / Artikulua
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
López Iturri, Peio ; Led Ramos, Santiago ; Aguirre Gallego, Erik ; Azpilicueta Fernández de las Heras, Leyre ; Serrano Arriezu, Luis Javier ; Falcone Lanas, Francisco Javier (MDPI, 2016)
Contribución a congreso / Biltzarrerako ekarpena
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
Del Villar, Ignacio ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Claus, Richard O. (Optical Society of America, 2003)
Artículo / Artikulua
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
Azpilicueta Fernández de las Heras, Leyre ; López Iturri, Peio ; Aguirre Gallego, Erik ; Mateo Zozaya, Ignacio; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier (MDPI, 2014)
Artículo / Artikulua
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
Azpilicueta Fernández de las Heras, Leyre ; López Iturri, Peio ; Aguirre Gallego, Erik ; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier (2014)
Contribución a congreso / Biltzarrerako ekarpena
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
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (2011)
Contribución a congreso / Biltzarrerako ekarpena
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
Aguirre Gallego, Erik ; López Iturri, Peio ; Azpilicueta Fernández de las Heras, Leyre ; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier (MDPI, 2015)
Artículo / Artikulua
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
López Iturri, Peio (2017)
Tesis doctoral / Doktoretza tesia
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
Barrios Rípodas, Ernesto ; Ursúa Rubio, Alfredo ; Marroyo Palomo, Luis ; Sanchis Gúrpide, Pablo (IEEE, 2015)
Artículo / Artikulua
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
Rodríguez Ulibarri, Pablo ; Navarro Cía, Miguel ; Rodríguez Berral, Raúl; Mesa, Francisco; Medina, Francisco; Beruete Díaz, Miguel (IEEE, 2017)
Artículo / Artikulua
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
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2001)
Contribución a congreso / Biltzarrerako ekarpena
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
Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario ; Thumm, Manfred (1995)
Contribución a congreso / Biltzarrerako ekarpena
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
Rivero Fuente, Pedro J. ; Urrutia Azcona, Aitor ; Goicoechea Fernández, Javier ; Ruiz Zamarreño, Carlos ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Springer, 2011)
Artículo / Artikulua
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
Urrutia Azcona, Aitor ; Rivero Fuente, Pedro J. ; Ruete Ibarrola, Leyre; Goicoechea Fernández, Javier ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (2009)
Contribución a congreso / Biltzarrerako ekarpena
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
Luquin, Asunción ; Elosúa Aguado, César ; Vergara, Elena; Estella, Juncal ; Cerrada, Elena; Bariáin Aisa, Cándido ; Matías Maestro, Ignacio ; Garrido Segovia, Julián José ; Laguna, Mariano (World Gold Council, 2007)
Artículo / Artikulua
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
Bravo Acha, Mikel ; Zornoza Indart, Ander; Loayssa Lara, Alayn ; López-Amo Sáinz, Manuel ; López Higuera, José Miguel; Ullán Nieto, Ángel (MDPI, 2013)
Artículo / Artikulua
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
Lagunas Tabar, Adur (2017)
Tesis doctoral / Doktoretza tesia
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 ... -
Arc-induced long period fiber gratings in the dispersion turning points
Colaço, Celso; Caldas, Paulo; Del Villar, Ignacio ; Chibante, Rui; Rego, Gaspar (IEEEOptical Society of America, 2016)
Artículo / Artikulua
We demonstrated the possibility to inscribe longperiod fiber gratings (LPFGs) in a B/Ge codoped fiber by using grating periods shorter than 150 μm. We also have arc-induced in the SMF 28 fiber an LPFG in the dispersion ... -
Arrangements of via-holes in microstrip lines as metallodielectric periodic structures
Gómez Laso, Miguel Ángel ; Lopetegui Beregaña, José María; Bacaicoa, Miguel; Hernández, Jorge; Gonzalo García, Ramón ; Sorolla Ayza, Mario (Wiley, 2000)
Artículo / Artikulua
In this paper, the use of via holes in microstrip lines to design periodic structures that can be regarded as metallodielectric electromagnetic crystals is analyzed. The proposed novel periodic structures achieve a notably ...
