Listar Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila por título
Mostrando ítems 494-513 de 648
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Radiation performances of a dipole array configuration inserted in a left-handed media
Sáenz Sáinz, Elena
; Gonzalo García, Ramón 
; Ederra Urzainqui, Íñigo ; Maagt, Peter de (IEEE, 2005)
Contribución a congreso / Biltzarrerako ekarpena 
In this work, the radiation improvements achieved when Left Handed Media (LHM) are combined with dipole antennas has been analysed. The behavior of two dipole antennas in array configuration when a Left Handed superstrate ... -
Radiation performances of a multifrequency dipole antenna array with a left handed superstrate
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the radiation performances of a multifrequency antenna array (MFAA) which consists of two dipoles (1 and 3) that are radiating at 9.57 GHz and other one (dipole 2) radiating at 11.98 GHz are presented. In ... -
Radio characterization for ISM 2.4 GHz wireless sensor networks for judo monitoring applications
López Iturri, Peio ; Aguirre Gallego, Erik ; Azpilicueta Fernández de las Heras, Leyre ; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier (MDPI, 2014)
Artículo / Artikulua
In this work, the characterization of the radio channel for ISM 2.4GHz Wireless Sensor Networks (WSNs) for judo applications is presented. The environments where judo activity is held are usually complex indoor scenarios ... -
Random DFB fiber laser for remote (200 km) sensor monitoring using hybrid WDM/TDM
Leandro González, Daniel ; Miguel Soto, Verónica de ; Pérez Herrera, Rosa Ana ; Bravo Acha, Mikel ; López-Amo Sáinz, Manuel (IEEE, 2016)
Artículo / Artikulua
In this paper, a random distributed feedback fiber laser is proposed as a multiplexing scheme for ultralong range measurements (up to 200 km). Optical fiber sensors are time and wavelength multiplexed overcoming one of the ... -
Random fiber lasers: application to fiber optic sensors networks
López-Amo Sáinz, Manuel ; Leandro González, Daniel ; Miguel Soto, Verónica de ; Bravo Acha, Mikel ; Fernández Vallejo, Montserrat ; Pérez Herrera, Rosa Ana (IEEE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
Recently, random mirrors have been proposed as a method to create fiber laser cavities. This kind of cavity is based on cooperative Rayleigh scattering, which is generated along a fiber due to the material inhomogeneities ... -
A ray launching-neural network approach for radio wave propagation analysis in complex indoor environments
Azpilicueta Fernández de las Heras, Leyre ; Rawat, Meenakshi; Rawat, Karun; Ghannouchi, Fadhel; Falcone Lanas, Francisco (IEEE, 2014)
Artículo / Artikulua
A novel deterministic approach to model the radio wave propagation channels in complex indoor environments reducing computational complexity is proposed. This technique combines a neural network and a 3D ray launching ... -
Real-time FFT analysis for interferometric sensors multiplexing
Leandro González, Daniel ; Bravo Acha, Mikel ; Ortigosa Cayetano, Amaia; López-Amo Sáinz, Manuel (IEEE / OSA, 2015)
Artículo / Artikulua
In this paper, a theoretical and experimental study of two interferometric sensor multiplexing schemes has been carried out by means of the fast Fourier transform (FFT) analysis. This work addresses one of the main drawbacks ... -
Real-time image acquisition system at W band with frequency scanning array antenna
Larumbe Gonzalo, Belén (2016)
Tesis doctoral / Doktoretza tesia
El objetivo principal de esta tesis ha sido el desarrollo de un sistema de adquisición de imagen en terahercios, de bajo coste, y enfocado a aplicaciones para la industria alimentaria. Para ello primero se llevó a cabo ... -
Real-time imaging with frequency scanning array antenna for industrial inspection applications at W band
Larumbe Gonzalo, Belén; Laviada, Jaime; Ibáñez Loinaz, Asier; Teniente Vallinas, Jorge (Springer, 2018)
Artículo / Artikulua
A real-time imaging system based on a frequency scanning antenna for conveyor belt setups is presented in this paper. The frequency scanning antenna together with an inexpensive parabolic reflector operates at the W band ... -
Real-time simulation technique of a microgrid model for DER penetration
Mentesidi, Konstantina; Rikos, Evangelos; Kleftakis, Vasilis; Kotsampopoulos, Panos; Aguado Alonso, Mónica (EAI, 2014)
Artículo / Artikulua
Comprehensive analysis of Distributed Energy Resources (DER) integration requires tools that provide computational power and flexibility. In this context, throughout this paper PHIL simulations are performed to emulate the ... -
Recent developments in fiber optics humidity sensors
Ascorbe Muruzabal, Joaquín ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (MDPI, 2017)
Artículo / Artikulua
A wide range of applications such as health, human comfort, agriculture, food processing and storage, and electronic manufacturing, among others, require fast and accurate measurement of humidity. Sensors based on optical ... -
Rectangular waveguide filters with meandered topology
Teberio Berdún, Fernando ; Percaz Ciriza, Jon Mikel ; Arregui Padilla, Iván ; Martín Iglesias, Petronilo; Lopetegui Beregaña, José María ; Gómez Laso, Miguel Ángel ; Arnedo Gil, Israel (IEEE, 2018)
Artículo / Artikulua
In this paper, a new topology for rectangular waveguide bandpass and low-pass filters is presented. A simple, accurate, and robust design technique for these novel meandered waveguide filters is provided. The proposed ... -
Redes de alimentación de agrupaciones basadas en 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 -BFN ... -
Refractometric sensors based on multimode interference in a thin-film coated singlemode– multimode–single-mode structure with reflection configuration
Del Villar, Ignacio ; Socorro Leránoz, Abián Bentor ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Optical Society of America, 2014)
Artículo / Artikulua
Thin-film coated single-mode–multimode–single-mode (SMS) structures have been analyzed both theoretically and experimentally with the aim of detecting different refractive indices. By adequate selection of the thickness ... -
Regular and anomalous extraordinary optical transmission at the THz-gap
Kuznetsov, Sergei A.; Navarro Cía, Miguel ; Kubarev, V. V.; Gelfand, A. V.; Beruete Díaz, Miguel ; Campillo, Igor; Sorolla Ayza, Mario (Optical Society of America, 2009)
Artículo / Artikulua
In this paper Anomalous Extraordinary Transmission (ET) is reported for s-polarization of low loss doubly periodic subwavelength hole arrays patterned on polypropylene (PP) substrates by conventional contact photolithography ... -
Relative humidity multi-point optical sensors system based on Fast Fourier multiplexing technique
López Aldaba, Aitor; López Torres, Diego ; Elosúa Aguado, César ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; Arregui San Martín, Francisco Javier ; López-Amo Sáinz, Manuel (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a new multipoint optical fiber system for relative humidity measurements based on Sn02-FP (Fabry-Pérot) sensing heads and an optical interrogator as single active device is presented and characterized. The ... -
Remote (250 km) fiber Bragg grating multiplexing system
Fernández Vallejo, Montserrat; Rota Rodrigo, Sergio ; López-Amo Sáinz, Manuel (MDPI, 2011)
Artículo / Artikulua
We propose and demonstrate two ultra-long range fiber Bragg grating (FBG) sensor interrogation systems. In the first approach four FBGs are located 200 km from the monitoring station and a signal to noise ratio of 20 dB ... -
Remote-time division multiplexing of bending sensors using a broadband light source
Bravo Acha, Mikel ; López-Amo Sáinz, Manuel (Hindawi Publishing Corporation, 2012)
Artículo / Artikulua
This work experimentally demonstrates a remote sensing network which interrogates bending sensors using time-division multiplexing techniques and a broadband light source. The bending sensors are located 50 km away from ... -
Research on metamaterials for antenna applications
Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Iriarte Galarregui, Juan Carlos ; Martínez Pascual, Beatriz ; Sáenz Sáinz, Elena ; Cantora Álvarez, Pablo; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
During the last 20 years a lot of attention has been paid to apply Electromagnetic Band Gap (EBG) technology in different frequency ranges, from microwaves to optics. EBG technology is based on the use of periodic structures ... -
Resilient amplified double ring optical networks to multiplex optical fibre sensors
Fernández Vallejo, Montserrat; Pérez Herrera, Rosa Ana ; Elosúa Aguado, César ; Díaz Lucas, Silvia ; Urquhart, Paul; Bariáin Aisa, Cándido ; López-Amo Sáinz, Manuel (IEEE / OSA, 2009)
Artículo / Artikulua
We report the experimental demonstration of two configurations of an amplified optical fibre double ring network for the multiplexing of sensors. The networks are designed to be inherently resilient to fibre failures because ...
