Listar Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila por autor UPNA "Teniente Vallinas, Jorge"
Mostrando ítems 1-20 de 40
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Alimentadores gaussianos en guía de onda rectangular
Teniente Vallinas, Jorge
; Gonzalo García, Ramón ; Río Bocio, Carlos del (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 ... -
All-metallic ε-near-zero (ENZ) lens based on ultra-narrow hollow rectangular waveguides: experimental results
Orazbayev, Bakhtiyar ; Torres Landívar, Víctor ; Pacheco-Peña, Víctor ; Falcone Lanas, Francisco Javier ; Teniente Vallinas, Jorge ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Navarro Cía, Miguel ; Engheta, Nader (IEEE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
Here we perform numerical and experimental investigation of plano-concave all-metallic ε-near-zero (ENZ) lens with operational frequency f = 144 GHz. The ENZ lens is achieved by stacking an array of narrow hollow rectangular ... -
Antena corrugada con perfil gaussiano de gran ancho de banda
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2001)
Contribución a congreso / Biltzarrerako ekarpena
En este trabajo se presenta el diseño de una antena de bocina corrugada con más de un 40% de ancho de banda. Los patrones de radiación medidos coinciden muy bien con los simulados. Esta antena se puede usar en aplicaciones ... -
ASTRA 3B horn antenna design
Teniente Vallinas, Jorge ; Río Bocio, Carlos del (2010)
Contribución a congreso / Biltzarrerako ekarpena
The ASTRA 3B satellite includes 60 Ku-band state-of-the- art transponders and 4 Ka-band transponders. The spacecraft have been designed for the distribution of both direct-to-home (DTH) broadcast services and two way broadband ... -
Choked-gaussian corrugated horn antenna design small global coverage horn antenna for TT&C with extremely low sidelobe level
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2003)
Contribución a congreso / Biltzarrerako ekarpena
Extremely low sidelobe horn antennas are often required for the actual technology. This type of horn antennas are important to avoid interference with other systems. In this paper we describe a new design implementing a ... -
Comparación entre antenas cónicas corrugadas y antenas gaussianas corrugadas
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2002)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a study of two equal size corrugated horn antennas; a conical and a gaussian profiled horn antenna (GPHA) has been developed. It will be demonstrated that GPHA´s provide lower sidelobes and wider bandwidths, ... -
A complete optimization-loop, including feeders, of antenna systems based on reflectors
Delgado, D.; Teniente Vallinas, Jorge ; Río Bocio, Carlos del ; Haro, L. de; Martínez, J. A.; Pino, A.G (IEEE, 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 ... -
Conical versus gaussian profiled corrugated horn antennas
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (IEEE, 2002)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a study of two equal size corrugated horn antennas; a conical and a gaussian profiled horn antenna (GPHA) has been developed. It will be demonstrated that GPHA´s provide lower sidelobes and wider ... -
Corrugated horn antenna noise temperature characterisation for the NRL water vapor millimeter-wave spectrometer project
Teniente Vallinas, Jorge ; Gómez, R.M.; Maestrojuán Biurrun, Itziar ; Rebollo Mugueta, Ainara ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2011)
Contribución a congreso / Biltzarrerako ekarpena
In this paper the antenna noise temperature for two different corrugated horn antennas (old model and new model) for NRL WVMS is being characterized. The whole optical system will be simulated with Ticra’s GRASP software, ... -
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 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 ... -
Estado del arte de las antenas que combinan corrugaciones horizontales y verticales
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2005)
Contribución a congreso / Biltzarrerako ekarpena
In the present paper the state of the art, possibilities, advantages and disadvantages of the patented corrugated horn antennas that combine horizontal and vertical corrugations is being covered. These rather new type and ... -
Estudio de resonancias parásitas en antenas corrugadas
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2001)
Contribución a congreso / Biltzarrerako ekarpena
A theoretical study reinforced with practical measurements about the origin of the return loss spikes in corrugated horn antennas is presented in this paper. These spikes are directly related to the periodic structure ... -
Evanescently fed electromagnetic band-gap horn antennas and arrays
Khromova, Irina ; Ederra Urzainqui, Íñigo ; Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Esselle, Karu P. (IEEE, 2012)
Artículo / Artikulua
The design of a horn antenna based on electromagnetic band-gap structures (EBGs) and fed by evanescent fields in the containing periodic structure is presented. Such all-dielectric antennas can form compact arrays and ... -
Experimental demonstration of a millimeter-wave metallic ENZ lens based on the energy squeezing principle
Torres Landívar, Víctor; Orazbayev, Bakhtiyar ; Pacheco-Peña, Víctor ; Teniente Vallinas, Jorge ; Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario (IEEE, 2015)
Artículo / Artikulua
The performance of an epsilon-near zero (ENZ) plano-concave lens is experimentally demonstrated and verified at the D-band of the millimeter-waves. The lens is comprised of an array of narrow metallic waveguides near cut-off ... -
Experimental study of the antenna influence in RTLS based-on RFID
Crespo López, Gonzalo; Teniente Vallinas, Jorge ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón (IEEE, 2012)
Contribución a congreso / Biltzarrerako ekarpena
Nowadays Real-time localization systems (RTLS) are growing up very quickly but there are some remaining issues which need to be analyzed. This paper presents an experimental study that shows how different kind of antennas can ... -
Experimental validation of a Ku-band dual circularly polarized metasurface antenna
Tellechea Pereda, Amagoia ; Caminita, Francesco; Martini, Enrica; Ederra Urzainqui, Íñigo ; Teniente Vallinas, Jorge ; Iriarte Galarregui, Juan Carlos ; Gonzalo García, Ramón ; Maci, Stefano (IEEE, 2018)
Artículo / Artikulua
The experimental validation of a Ku-band dual circularly polarized (CP) broadside-beam metasurface (MTS) antenna is presented. A radially modulated anisotropic single layer MTS has been synthesised employing sub-wavelength ... -
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 ...
