Listar Comunicaciones y ponencias de congresos DIEE - IEES Biltzarretako komunikazioak eta txostenak por título
Mostrando ítems 114-133 de 191
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Metamaterials as super-substrate to enhance dipole antenna performances
Sáenz Sáinz, Elena
; Gonzalo García, Ramón 
; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena 
In this work, pass band properties of Left Handed Media (LHM) are demonstrated. These properties have been used in order to make a LHM super-substrate that is put over a dipole antenna. This super-substrate is going to ... -
Mitigation of modulation instability in Brillouin distributed fiber sensors by using orthogonal polarization pulses
Urricelqui Polvorinos, Javier ; Alem, Mehdi; Sagüés García, Mikel ; Thévenaz, Luc; Loayssa Lara, Alayn ; Soto, Marcelo A. (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
A technique based on the use of orthogonally-polarized pulses is proposed to mitigate the detrimental impact of modulation instability on Brillouin distributed fiber sensors. While the theoretical underpinnings of the ... -
Modelling of vibrato production
Arroabarren Alemán, Ixone; Carlosena García, Alfonso (2004)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a novel Non-Interactive Source-Filter model for singing voice, incorporating vibrato, is proposed. In this way the periodic frequency variation, peculiar to vibrato is included in a simplified signal model ... -
Modern corrugated horn antenna design for extremely low sidelobe level
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2003)
Contribución a congreso / Biltzarrerako ekarpena
The present paper deals with the design of modern corrugated horn antennas for extremely low sidelobe level with the use of the well known corrugated Gaussian Profiled Horn Antenna aperture (corrugated GPHA’s) to improve ... -
Modulated fiber ring laser and its application in high-sensitivity temperature sensors
Pérez Herrera, Rosa Ana ; Tainta Ausejo, Santiago ; Erro Betrán, María José ; López-Amo Sáinz, Manuel (SPIE, 2016)
Contribución a congreso / Biltzarrerako ekarpena
This work presents an experimental demonstration of a scheme based on an internally modulated fiber ring laser for high-sensitivity temperature sensing. The attained temperature resolution has been as low as ± 2pm even ... -
Monitoring the etching process in LPFGs towards development of highly sensitive sensors
Del Villar, Ignacio ; Cruz, José Luis; Socorro Leránoz, Abián Bentor ; Díaz Lucas, Silvia ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (MDPI, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this work, the monitoring of the etching process up to a diameter of 30 µm of two LPFG structures has been compared, one of them had initially 125 µm, whereas the second one had 80 µm. By tracking the wavelength shift ... -
Multichannel blind deconvolution of impulsive signals
Lecumberri Villamediana, Pablo; Gómez Fernández, Marisol ; Carlosena García, Alfonso (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this communication, the problem of blind deconvolution of transient, impulsive signals in a multichannel environment is addressed. This kind of signals arise naturally, or are used as external excitation, in many ... -
New analytical method to design filters by combining the periodic and resonant filtering effects of EBG cells
Ibáñez Loinaz, Asier; Río Bocio, Carlos del (IEEE, 2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a new analytical method to design stop-band filters combining the Bragg and resonant effects is presented. A rigorous consideration of the EBG structures filtering effect at the microwave frequency range ... -
New approach to the design of corrugated horn antennas
Gonzalo García, Ramón ; Teniente Vallinas, Jorge ; Río Bocio, Carlos del ; Sorolla Ayza, Mario (1997)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, we present two new corrugated horn antenna designs in circular waveguide. The first one is a converter horn antenna from monomode circular waveguide TE11 to corrugated waveguide HE11 mode in a very efficient ... -
New regimes to achieve enhanced transmission through subwavelength hole arrays
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (2011)
Contribución a congreso / Biltzarrerako ekarpena
In this communication we present millimetre- and THz-waves experimental confirmation of enhanced transmission through subwavelength hole arrays with rectangular lattice when the incident electric field is parallel to ... -
A novel camera phone-based platform for Sol-Gel-derived fluorescence pH sensing
Urrutia Azcona, Aitor ; Wencel, D.; O’Driscoll, S.; O’Reilly, B.; Abel, T.; Somers, M.; Rivero Fuente, Pedro J. ; Arregui San Martín, Francisco Javier ; McDonagh, C. (2013)
Contribución a congreso / Biltzarrerako ekarpena
In this work a novel camera phone system for fluorescence-based sol-gel-derived pH sensing is presented. The sol-gel based pH material, a microfluidic chip and a camera phone have been combined to obtain a fluorescence-based ... -
A novel design method for phase-locked loops of any order and type
Carlosena García, Alfonso ; Mànuel Lázaro, Antonio (IEEE, 2006)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a novel approach to the design of PLLs is presented, which can be used regardless of their Order and Type. The method stems from the fact that high-frequency poles in the loop filter determine filtering ... -
A novel PLL architecture
Osa, Juan I.; Carlosena García, Alfonso ; López Martín, Antonio (2000)
Contribución a congreso / Biltzarrerako ekarpena
A novel phase-locked loop scheme is proposed in this paper, whose main distinguishing features are infinite hold-in range, pull-out range fractionally constant and also a ripple fractionally constant. To this end, it ... -
Nuevas consideraciones al diseño de conversores de modos TE0m-TE0n para aplicaciones de alta potencia a frecuencias milimétricas
Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario (1996)
Contribución a congreso / Biltzarrerako ekarpena
In this work, the new results of a study about the general Kovalev’s coherence principle are presented. As we will show here, despite Kovalev presents the coherence principle as general, only the fundamental case can be ... -
Nuevas técnicas para el diseño de antenas de bocina corrugadas
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2004)
Contribución a congreso / Biltzarrerako ekarpena
The present paper deals with the design of modern corrugated horn antennas for extremely low sidelobe level with the use of the well known corrugated Gaussian Profiled Horn Antenna (corrugated GPHA’s) to improve the radiation ... -
Obteniendo imágenes de sistemas CORPS
Gómez, Alfonso; Río Bocio, Carlos del (2006)
Contribución a congreso / Biltzarrerako ekarpena
From the previous research inside the Antenna Group of the Public University of Navarra regarding the working principles of the human eye, one of the conclusions was that the reconstructed image in the surface of the ... -
On the calculation of the STC power of PV generators by using typical monitoring system data
Muñoz Escribano, Mikel; Parra Laita, Íñigo de la ; García Solano, Miguel ; Marcos Álvarez, Javier ; Marroyo Palomo, Luis (2017)
Contribución a congreso / Biltzarrerako ekarpena
The properly in-field characterization of the power at Standard Test Conditions, PSTC, of PV generators is becoming increasingly important in order to evaluate their performance and its evolution in time. Within the state ... -
On the determination of the phase center of gaussian horn antennas
Río Bocio, Carlos del ; Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Sorolla Ayza, Mario (1998)
Contribución a congreso / Biltzarrerako ekarpena
Gaussian horn antenna designs have experimentally demonstrated excellent performance to produce a very pure Gaussian beam mode with extremely low sidelobes and crosspolarization levels. These results make very attractive ... -
On the stability criteria for inverter current control loops with LCL output filters and varying grid impedance
Lumbreras Magallón, David ; Barrios Rípodas, Ernesto ; Ursúa Rubio, Alfredo ; Marroyo Palomo, Luis ; Sanchis Gúrpide, Pablo (IEEE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
The use of LC and LCL filters and grid impedance variations are creating new challenges on the controller design for current control loops of photovoltaic and wind turbine inverters. In the design process, stability criteria ... -
Optical fiber refractometers based on indium tin oxide coatings with response in the visible spectral region
Ruiz Zamarreño, Carlos ; López, S.; Hernáez Sáenz de Zaitigui, Miguel ; Del Villar, Ignacio ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Elsevier, 2011)
Contribución a congreso / Biltzarrerako ekarpena
This work presents the fabrication of optical fiber refractometers based on indium tin oxide (ITO) coatings with response in the visible spectral region. ITO thin-films have been sputtered by employing a rotating mechanism ...
