Listar Comunicaciones y ponencias de congresos DIEE - IEES Biltzarretako komunikazioak eta txostenak por título
Mostrando ítems 48-67 de 191
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Design of multi-layered radiative cooling structures using evolutionary algorithms
Lezaun Capdevila, Carlos; Jorajuría, Tania; Torres García, Alicia E.
; Herrera, Pilar; Beruete Díaz, Miguel (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena 
In this work we present a novel way to design thinfilm radiative cooling metamaterials based on genetic algorithms. Three simulations with different design constraints have been done, resulting in three structures that ... -
Designing antenna systems with CORPS (coherently radiating periodic structures)
Betancourt Quiñones, Diego; García Esparza, Raúl ; Ibáñez Loinaz, Asier; Río Bocio, Carlos del (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a new philosophy to design antenna systems is presented. It is based on the recently proposed Coherently Radiating Periodic Structures (CORPS). These structures are essentially a periodic structure which ... -
Designing feeding networks with CORPS: coherently radiating periodic structures
Betancourt Quiñones, Diego; Río Bocio, Carlos del (2006)
Contribución a congreso / Biltzarrerako ekarpena
The design of feeding networks in phased array systems results tricky since all the complex excitations should be provided to all the radiating elements of the system. Where the number of radiating elements increases the ... -
Detection of ethanol in human breath using optical fiber long period grating coated with metal-organic frameworks
Acha Morrás, Nerea de ; Hromadka, Jiri; Tokay, Begum; Correia, Ricardo; Elosúa Aguado, César ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Morgan, Stephen P.; Korposh, Sergiy (MDPI, 2017)
Contribución a congreso / Biltzarrerako ekarpena
An optical fiber sensor for ethanol detection in exhaled breath has been developed. It has been fabricated by functionalizing a Long Period Grating with a metal-organic framework, ZIF-8. The sensor’s response was tested ... -
Detrimental effects in Brillouin distributed sensors caused by EDFA transient
Feng, Cheng; Iribas Pardo, Haritz ; Mariñelarena Ollacarizqueta, Jon ; Schneider, Thomas; Loayssa Lara, Alayn (Optical Society of AmericaIEEE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
We investigate the deleterious effect and the error in Brillouin optical time-domain analyzers induced by the combination of a low extinction ratio pulse generation with the transient behavior of erbium-doped fiber amplifiers. -
Dipolos y metamateriales: mejora de las características de radiación
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 ... -
Discrete lenses for multibeam applications
Lizarraga Cubillos, Juan Camilo; Crespo López, Gonzalo ; Río Bocio, Carlos del (2011)
Contribución a congreso / Biltzarrerako ekarpena
The capability of having many different beams illuminating the earth surface from a geostationary satellite has been an issue of interest during the last few years. The need of increasing the services provided ... -
Diseño de alimentadores optimizados para la cámara anecoica de la Universidad de Limoges
Teniente Vallinas, Jorge ; Arnaud, Eric; Gonzalo García, Ramón ; Río Bocio, Carlos del (2006)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, high technology optimized feed horn designs are presented. These feed horns have been designed to improve the quite zone size and behaviour of the CATR of the CREAPE research team at Limoges University. Very ... -
Diseño de filtros banda rechazada usando Defected Ground Structures (DGS)
Garde Irigoyen, Ieltxu Aitor; Río Bocio, Carlos del (2003)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a type of Defected Ground Structure (DGS) is studied and used to implement filters in microstrip technology. It is first demonstrated that the main parameter which controls its operation is the external ... -
Diseño de filtros en guía rectangular usando estructuras PBG's
Mendióroz, Luis; Martínez de Espronceda Cámara, Beatriz; Gonzalo García, Ramón ; Río Bocio, Carlos del (2000)
Contribución a congreso / Biltzarrerako ekarpena
A new application of dielectric periodic structures (also known as PBG) to build and design waveguide filters is presented. The periodic structures have some stop frequency bands, band gaps, defined by the geometry, ... -
Diseño de filtros paso bajo usando Defected Ground Structures (DGS)
Garde Irigoyen, Ieltxu Aitor; Río Bocio, Carlos del (2003)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a new method of trully design of filters using Defected Ground Structures is proposed. It makes use of the model proposed in previous developments by the same authors and simplifies it to a first-order model ... -
Diseño de una antena dual gaussiana de doble profundidad de corrugación
Ortiz Pérez de Eulate, Noelia; Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2003)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a new design of a dual-band corrugated horn antenna is presented. The design is based on a gaussian profile to allow high pattern symmetry, low-crosspolar levels and low-side-lobes over a wide frequency range. ... -
Diseño óptimo de antenas de bocina multimodo para excitar un haz gaussiano fundamental de alta pureza
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 and optimal multimode horn antenna design to excite the fundamental Gaussian beam from an overmoded waveguide. In particular, we focus the study in overmoded circular corrugated ... -
Diseño y medida de una antena choke-gaussiana
Goñi Campión, David; Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2002)
Contribución a congreso / Biltzarrerako ekarpena
A new design of corrugated horn antenna for global earth coverage from a geostationary satellite to obtain very low sidelobes and crosspolar levels with a really compact design in a quite wide bandwidth is presented in ... -
Domain integral equations for electromagnetic band-gap slab simulations
Hon, B.P. de; Beurden, M.C. van; Gonzalo García, Ramón ; Martínez Pascual, Beatriz ; Ederra Urzainqui, Íñigo ; Río Bocio, Carlos del ; Azcona, L.; Alderman, B.; Huggard, P.G.; Maagt, Peter de; Marchand, L. (2004)
Contribución a congreso / Biltzarrerako ekarpena
Electromagnetic band-gap substrates o er advantages regarding cross-coupling in sub-mm range imaging array applications. Electromagnetic scattering by such substrates may e ectively be formulated in terms of integro- di ... -
Dynamic BOTDA measurements using Brillouin phase-shift
Urricelqui Polvorinos, Javier ; Zornoza Indart, Ander; Sagüés García, Mikel ; Loayssa Lara, Alayn (SPIE, 2012)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate a novel dynamic BOTDA sensor based, for the first time to our knowledge, on the use of the Brillouin phase-shift instead of the conventional Brillouin gain. This provides the advantage of measurements that ... -
An easy to deploy street light control system based on wireless communication and LED technology
Elejoste Larrucea, Pilar; Angulo Martínez, Ignacio; Perallos Ruiz, Asier; Chertudi Ozamiz, Aitor; García Zuazola, Ignacio Julio; Moreno, Asier; Azpilicueta Fernández de las Heras, Leyre ; Astrain Escola, José Javier ; Falcone Lanas, Francisco Javier ; Villadangos Alonso, Jesús (MDPI, 2013)
Contribución a congreso / Biltzarrerako ekarpena
This paper presents an intelligent streetlight management system based on LED lamps, designed to facilitate its deployment in existing facilities. The proposed approach, which is based on wireless communication technologies, ... -
EBG superstrate antenna for WAAS bands
Osés de León, Ángel; Iriarte Galarregui, Juan Carlos ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón (2008)
Contribución a congreso / Biltzarrerako ekarpena
Multiband antennas can simplify considerably the complexity of receivers and transmitters, reducing the size and the mass of the conventional configurations. On the other hand, applications with high directivity requirements ... -
Efficient implementation of GALS systems over comercial synchronous FPGAs: a new approach
García Lasheras, Javier (2007)
Contribución a congreso / Biltzarrerako ekarpena
This paper introduces a new approach for implementing Glocally Asynchronous – Locally Synchronous (GALS) systems over commercial available Field Programmable Gate Arrays (FPGA). This new vision is aimed to overcome the ... -
Egituren egoeraren monitorizaziorako zuntz optikoan oinarritutako sentsore sinplifikatua
Iribas Pardo, Haritz ; Sagüés García, Mikel ; Mariñelarena Ollacarizqueta, Jon ; Loayssa Lara, Alayn (Udako Euskal Unibertsitatea, 2015)
Contribución a congreso / Biltzarrerako ekarpena
Brillouin hedatuko denbora eremu optikoaren analisian (BOTDA) oinarritutako sentsoreak, estruktura handien (100 km luzerako estrukturak) deformazioa eta tenperatura neurtzeko gaitasuna dute. Lan honetan, BOTDA konfigurazio ...
