Listar Artículos de revista DIEE - IEES Aldizkari artikuluak por título
Mostrando ítems 204-223 de 391
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A metamaterial T-junction power divider
Sáenz Sáinz, Elena
; Cantora Álvarez, Alejandro; Ederra Urzainqui, Íñigo 
; Gonzalo García, Ramón ; Maagt, Peter de (IEEE, 2007)
Artículo / Artikulua 
A metamaterial based compact microstrip T-junction power divider working at 10 GHz is proposed. The metamaterial unit cell consists of microstrip gaps and via holes whose behavior is equivalent to the combination of ... -
Metasurface-based ultrathin carpet cloaks for millimeter waves
Orazbayev, Bakhtiyar ; Mohammadi Estakhri, Nasim; Alù, Andrea; Beruete Díaz, Miguel (2017)
Artículo / Artikulua
A metasurface carpet cloak for millimetre-wave range with polarization independent performance is experimentally demonstrated. It is shown that the cloak is able to mimic the ground plane by fully restoring the amplitude ... -
Methodology for sizing stand-alone hybrid systems: a case study of a traffic control system
San Martín Biurrun, Idoia ; Berrueta Irigoyen, Alberto ; Sanchis Gúrpide, Pablo ; Ursúa Rubio, Alfredo (Elsevier, 2018)
Artículo / Artikulua
This paper proposes a methodology for sizing stand-alone hybrid photovoltaic-wind power generation systems. This methodology makes it possible to optimise the overall performance of the stand-alone system components, based ... -
Métodos de procesamiento y análisis de señales electromiográficas
Gila Useros, Luis; Malanda Trigueros, Armando ; Rodríguez Carreño, Ignacio ; Rodríguez Falces, Javier ; Navallas Irujo, Javier (Gobierno de Navarra, 2009)
Artículo / Artikulua
La electromiografía clínica es una metodología de registro y análisis de la actividad bioeléctrica del músculo esquelético orientada al diagnóstico de las enfermedades neuromusculares. Las posibilidades de aplicación y el ... -
Micro and nanostructured materials for the development of optical fibre sensors
Elosúa Aguado, César ; Arregui San Martín, Francisco Javier ; Del Villar, Ignacio ; Ruiz Zamarreño, Carlos ; Corres Sanz, Jesús María ; Bariáin Aisa, Cándido ; Goicoechea Fernández, Javier ; Hernáez Sáenz de Zaitigui, Miguel ; Rivero Fuente, Pedro J. ; Socorro Leránoz, Abián Bentor ; Urrutia Azcona, Aitor ; Sánchez Zábal, Pedro ; Zubiate Orzanco, Pablo ; López Torres, Diego ; Acha Morrás, Nerea de ; Ascorbe Muruzabal, Joaquín ; Ozcariz Celaya, Aritz ; Matías Maestro, Ignacio (MDPI, 2017)
Artículo / Artikulua
The measurement of chemical and biomedical parameters can take advantage of the features exclusively offered by optical fibre: passive nature, electromagnetic immunity and chemical stability are some of the most relevant ... -
Micro-displacement sensor based on a hollow-core photonic crystal fiber
Rodrigues Pinto, Ana Margarida; López-Amo Sáinz, Manuel ; Baptista, José Manuel; Santos, José Luís; Frazão, Orlando (MDPI, 2012)
Artículo / Artikulua
A sensing head based on a hollow-core photonic crystal fiber for in-reflection measurement of micro-displacements is presented. The sensing structure takes advantage of the multimodal behavior of a short segment of hollow-core ... -
Micro-displacement sensor combined with a fiber ring interrogated by an optical time-domain reflectometer
Bravo Acha, Mikel ; Baptista, José Manuel; Santos, José Luís; López-Amo Sáinz, Manuel ; Frazão, Orlando (IEEE, 2014)
Artículo / Artikulua
A micro-displacement sensing head based on two aligned cleaved fibers inserted into an optical fiber ring and interrogated by an OTDR is presented. The sensor configuration is characterized for measuring both longitudinal ... -
Mid-infrared plasmonic inductors: enhancing inductance with meandering lines
Torres Landívar, Víctor; Ortuño Molinero, Rubén ; Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Griol, Amadeu; Martínez, Alejandro; Navarro Cía, Miguel (Nature Publishing Group, 2014)
Artículo / Artikulua
We present a mid-infrared inductor that when applied to an extraordinary transmission hole array produces a strong redshift of the resonant peak accompanied by an unprecedented enlargement of the operation bandwidth. The ... -
Millimeter-wave phase resonances in compound reflection gratings with subwavelength grooves
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Skigin, Diana C.; Sorolla Ayza, Mario (Optical Society of America, 2010)
Artículo / Artikulua
Experimental evidence of phase resonances in a dual-period reflection structure comprising three subwavelength grooves in each period is provided in the millimeter-wave regime. We have analyzed and measured the response ... -
Mode transition in complex refractive index coated single-mode–multimode–single-mode structure
Socorro Leránoz, Abián Bentor ; Del Villar, Ignacio ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Optical Society of America, 2013)
Artículo / Artikulua
By coating a single-mode–multimode–single-mode (SMS) structure with a high refractive index thin-film it is possible to obtain a transition of modes for specific combinations of thin-film thickness, thinfilm refractive ... -
Modeling and parameter extraction of test fixtures for MOSFET on-wafer measurements up to 60 GHz
(Wiley, 2013) Artículo / Artikulua
We present a circuit model and parameter determination methodology for test fixtures used for on-wafer S-parameter measurements on CMOS devices. The model incorporates the frequency dependence of the series resistances and ... -
Modeling of small wind turbines based on PMSG with diode bridge for sensorless maximum power tracking
Urtasun Erburu, Andoni ; Sanchis Gúrpide, Pablo ; San Martín Biurrun, Idoia ; López Taberna, Jesús ; Marroyo Palomo, Luis (Elsevier, 2013)
Artículo / Artikulua
The Permanent Magnet Synchronous Generator (PMSG) with diode bridge is frequently used in small Wind Energy Conversion Systems (WECS). This configuration is robust and cheap, and therefore suitable for small WECS. In order ... -
Modelling fibrillation potentials: analysis of time parameters in the muscle intracellular action potential
Rodríguez Falces, Javier ; Malanda Trigueros, Armando ; Gila Useros, Luis; Rodríguez Carreño, Ignacio ; Navallas Irujo, Javier (IEEE, 2007)
Artículo / Artikulua
A single fibre action potential (SFAP) can be modelled as the convolution of a biolectrical source and a filter impulse response. In the Dimitrov-Dimitrova (D-D) convolutional model, the first temporal ... -
Modelling of PEM fuel cell performance: steady-state and dynamic experimental validation
San Martín Biurrun, Idoia ; Ursúa Rubio, Alfredo ; Sanchis Gúrpide, Pablo (MDPI, 2014)
Artículo / Artikulua
This paper reports on the modelling of a commercial 1.2 kW proton exchange membrane fuel cell (PEMFC), based on interrelated electrical and thermal models. The electrical model proposed is based on the integration of the ... -
Models for gaze tracking systems
Villanueva Larre, Arantxa ; Cabeza Laguna, Rafael (Hindawi Publishing Corporation, 2007)
Artículo / Artikulua
One of the most confusing aspects that one meets when introducing oneself into gaze tracking technology is the wide variety, in terms of hardware equipment, of available systems that provide solutions to the same matter, ... -
A modified control scheme of droop-based converters for power stability analysis in microgrids
Usunáriz López, Igor; Santamaría Rubio, Mikel; Mentesidi, Konstantina; Aguado Alonso, Mónica (Hindawi / Wiley, 2015)
Artículo / Artikulua
Microgrid is principally an active distribution network since it aggregates numerous DG systems through their interface converters and different loads at distribution level. This paper discusses the power sharing in ... -
Monitorización de deformaciones y temperaturas en la estructura de un túnel artificial de alta velocidad mediante sensores ópticos puntuales, de longitud y distribuidos
Torres, B.; Payá Zaforteza, I.; Barrera, D.; Alvarado, Y. A.; Calderón, P. A.; Loayssa Lara, Alayn ; Sagüés García, Mikel ; Zornoza Indart, Ander; Sales, S. (CSIC, 2015)
Artículo / Artikulua
La monitorización de estructuras es una rama de la ingeniería estructural que está captando mucha atención actualmente. Las deformaciones y temperaturas son, habitualmente, los parámetros monitorizados porque son los que ... -
Motor unit action potential duration, I: variability of manual and automatic measurements
Rodríguez Carreño, Ignacio; Gila Useros, Luis; Malanda Trigueros, Armando ; García Gurtubay, Ignacio; Mallor Giménez, Fermín ; Gómez Elvira, Sagrario ; Rodríguez Falces, Javier ; Navallas Irujo, Javier (Lippincott, Williams & Wilkins, 2007)
Artículo / Artikulua
To analyze the variability in manual measurements of motor unit action potential (MUAP) duration and to evaluate the effectiveness of well-known algorithms for automatic measurement. Two electromyographists carried out ... -
Motor unit action potential duration, II: a new automatic measurement method based on the wavelet transform
Rodríguez Carreño, Ignacio; Gila Useros, Luis; Malanda Trigueros, Armando ; García Gurtubay, Ignacio; Mallor Giménez, Fermín ; Gómez Elvira, Sagrario ; Rodríguez Falces, Javier ; Navallas Irujo, Javier (Lippincott, Williams & Wilkins, 2007)
Artículo / Artikulua
To present and evaluate a new algorithm, based on the wavelet transform, for the automatic measurement of motor unit action potential (MUAP) duration. A total of 240 MUAPs were studied. The waveform of each MUAP was ... -
Motor unit profile: a new way to describe the scanning-EMG potential
Corera Orzanco, Íñigo ; Malanda Trigueros, Armando ; Rodríguez Falces, Javier ; Porta Cuéllar, Sonia ; Navallas Irujo, Javier (Elsevier, 2017)
Artículo / Artikulua
The motor unit profile, a representation of the trajectories of positive and negative turns of a scanning-EMG signal, is a new way to characterize the motor unit potential. Such characterization allows quantification of ...
