Browsing Comunicaciones y ponencias de congresos DIEE - IEES Biltzarretako komunikazioak eta txostenak by Title
Now showing items 68-87 of 149
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Fiber-optic lossy mode resonance sensors
Arregui San Martín, Francisco Javier
; Del Villar, Ignacio ; Corres Sanz, Jesús María ; Goicoechea Fernández, Javier ; Ruiz Zamarreño, Carlos ; Elosúa Aguado, César ; Hernáez Sáenz de Zaitigui, Miguel ; Rivero Fuente, Pedro José ; Socorro Leránoz, Abián Bentor ; Urrutia Azcona, Aitor ; Sánchez Zábal, Pedro ; Zubiate Orzanco, Pablo ; López Torres, Diego ; Acha Morrás, Nerea de ; Matías Maestro, Ignacio (Elsevier, 2014)
Contribución a Congreso / Biltzarrerako ekarpena 
In the last 4 years, experimental evidences about the potential use of optical sensors based on Lossy Mode Resonances (LMR) have been presented in the literature. These LMR sensors have some similarities with Surface ... -
Gain dependence of measured spectra in coherent Brillouin optical time-domain analysis sensors
Mariñelarena Ollacarizqueta, Jon; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (SPIE, 2016)
Contribución a congreso / Biltzarrerako ekarpena
We report on the effects of large pump pulse powers on Brillouin optical time-domain analysis (BOTDA) sensors based on phase-modulated probe wave and coherent detection. It is found that the large Brillouin gain that comes ... -
Gaussian beam propagation versus Huygens method in non-paraxial conditions
Gonzalo García, Ramón; Turullols, Pedro; Río Bocio, Carlos del ; Sorolla Ayza, Mario (1997)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, we present a study about the difference between Gaussian beam propagation and Huygens method to obtain the radiation pattern in the case of non-paraxial conditions. We fix a way to determine the error in the ... -
Gaussian profiled horn antennas
Gonzalo García, Ramón; Teniente Vallinas, Jorge ; Río Bocio, Carlos del (1999)
Contribución a congreso / Biltzarrerako ekarpena
In many different applications parameters such efficiency, gain, directivity, etc., are really critical. By using the Gaussian techniques presented here, the radiating features of existing horn antenna systems can be ... -
Generación del modo HE11 a partir de una guía circular lisa monomodo
Gonzalo García, Ramón; Río Bocio, Carlos del ; Teniente Vallinas, Jorge ; Sorolla Ayza, Mario (1996)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, we present an original taper design to obtain the HE11 corrugated circular waveguide mode exciting with a pure TE11 monomode smooth circular waveguide mode. The proposed corrugated taper has a longitudinal ... -
A general beam-forming network made with CORPS
Betancourt Quiñones, Diego; Río Bocio, Carlos del (2006)
Contribución a congreso / Biltzarrerako ekarpena
A new beam-forming network concept is introduced. This network is based in the design principles of CORPS. The new proposed structure presents an improvement in design over the traditional beam-forming network since, ... -
Generation of the HE11 mode from monomode smooth circular waveguide
Gonzalo García, Ramón; Río Bocio, Carlos del ; Sorolla Ayza, Mario (1996)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, we present an original taper design to obtain the HE11 corrugated circular waveguide mode exciting with a pure TE11 monomode smooth circular waveguide mode. The proposed corrugated taper has a longitudinal ... -
Generation of the HE11 mode in rectangular waveguide using gaussian techniques
Teniente Vallinas, Jorge; Gonzalo García, Ramón ; Sorolla Ayza, Mario ; Río Bocio, Carlos del (IEEE, 1999)
Contribución a congreso / Biltzarrerako ekarpena
A new and efficient design of a rectangular corrugated waveguide mode converter, from TE10 mode in a smooth rectangular monomode waveguide to HE11 mode in a corrugated rectangular waveguide, is proposed. The main idea ... -
Glottal spectrum based inverse filtering
Arroabarren Alemán, Ixone; Carlosena García, Alfonso (ISCA, 2003)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a new inverse filtering technique for the time-domain estimation of the glottal excitation is presented. This approach uses the DAP modeling for the vocal tract characterization, and a spectral model for the ... -
High efficient dipole antennas by using left-handed superstrates
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
This paper deals with pass band properties of Left Handed Media (LHM) to enhance dipole antenna performances. The LHM properties have been used in order to make high directivity antennas with good return loss features. The ... -
High order mode beam waveguide for technological medium power millimeter wave applications
Río Bocio, Carlos del; Gonzalo García, Ramón ; Marín Pilz, Miguel ; Sorolla Ayza, Mario ; Möbius, Arnold; Thumm, Manfred (1995)
Contribución a congreso / Biltzarrerako ekarpena
The use of medium power millimeter wave CW gyrotrons (10- 30 kW and 30-100 GHz) has several potential applications in advanced materials processing. Since a stochastic field distribution in the applicator is desirable ... -
High-order PLL design with constant phase margin
Ugarte Gil, Mikel; Carlosena García, Alfonso (IEEE, 2010)
Contribución a congreso / Biltzarrerako ekarpena
In this paper we describe a novel procedure to design high-type high-order Phase Locked Loops (PLLs) from lower order prototypes, preserving a prescribed Phase Margin (PM). The method builds on a model recently proposed ... -
Horn antenna lens for multi-beam applications
Lizarraga Cubillos, Juan Camilo; Río Bocio, Carlos del (2010)
Contribución a congreso / Biltzarrerako ekarpena
A spherical discrete lens antenna based on the back-toback combination of two choked-horn antennae arrays interconnected through smooth waveguides sections implementing the spherical phasing law, has been designed, simulated ... -
Implementacion de línea de ε negativa en tecnología stripline
Illescas, Jesús; Jarauta Ayensa, Eduardo; Estévez, Aritz; Marcotegui, José Antonio ; Falcone Lanas, Francisco Javier (2009)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a negative-ε equivalent response medium is proponed in stripline technology. To achieve band rejection behaviour, Complementary Split Ring Resonators (CSRR) are placed in the central conductor strip of ... -
Implementación eficiente de sistemas GALS sobre FPGAs
(2007) Contribución a congreso / Biltzarrerako ekarpena
Este artículo presenta un nuevo modelo para la implementación de Sistemas Globalmente Asíncronos – Localmente Síncronos (GALS) sobre Matrices de Puertas Programables por Campo (FPGA) comerciales. Esta nueva visión está ... -
Implementation and analysis of a wireless sensor network-based pet location monitoring system for domestic scenarios
Aguirre Gallego, Erik; López Iturri, Peio ; Azpilicueta Fernández de las Heras, Leyre ; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; Santesteban Martínez de Morentin, Daniel; Falcone Lanas, Francisco Javier (MDPI, 2016)
Contribución a congreso / Biltzarrerako ekarpena
The flexibility of new age wireless networks and the variety of sensors to measure a high number of variables, lead to new scenarios where anything can be monitored by small electronic devices, thereby implementing Wireless ... -
Introducción de la bocina en el lazo de optimización de sistemas de reflectores
Delgado, D.; Teniente Vallinas, Jorge; Río Bocio, Carlos del (2005)
Contribución a congreso / Biltzarrerako ekarpena
In the design process of a complete antenna system based on reflectors, the feed real performance is usually included once the reflectors have been optimized with an ideal feed. In this paper, the proposal is to include ... -
Lentes metálicas basadas en el fenómeno de transmisión extraordinaria para conseguir índices de refracción negativos
Navarro Cía, Miguel; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (2009)
Contribución a congreso / Biltzarrerako ekarpena
In this communication we report plano-concave and bi-concave metamaterial lenses based on the close stack of subwavelegnth hole arrays. Contrary to what is expected from cut-off holes, an engineered array of holes ... -
Línea de transmisión cuasi-óptica con modos gaussianos de orden superior para sistemas basados en gyrotrones tecnológicos para aplicaciones cerámicas
Río Bocio, Carlos del; Gonzalo García, Ramón ; Möbius, Arnold; Sorolla Ayza, Mario ; Thumm, Manfred (1997)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a description of a new compact microwave oven system based on a tecnological gyrotron for material processing applications is presented. The whole system has been designed by the Institute of Applied Physics ... -
Low profile multi-frequency dipole antenna array based on planar meta-surfaces
Sáenz Sáinz, Elena; Ikonen, Pekka; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Tretyakov, Sergei A.; Maagt, Peter de (IEEE, 2007)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the radiation performance of a low profile multi-frequency dipole antenna array with a planar meta-surface is presented. The meta-surface consists of two closely located parallel grids of short dipoles and ...
