Person: Teniente Vallinas, Jorge
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Teniente Vallinas
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Jorge
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Ingeniería Eléctrica, Electrónica y de Comunicación
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ISC. Institute of Smart Cities
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0000-0001-9643-5479
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2694
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Publication Open Access Ultra-wide band corrugated gaussian profiled horn antenna design(IEEE, 2001) Teniente Vallinas, Jorge; Gonzalo García, Ramón; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaA corrugated horn antenna design with more than 40% bandwidth is proposed in this paper. The measured radiated field patterns have a good agreement with the simulated ones. This antenna can be used in applications that require extremely wide bandwidth with low sidelobes and low crosspolar levels, with not very strong return loss requirements.Publication Open Access Transición coaxial a guía doble ridge cargada(2005) Cantora Álvarez, Pablo; Río Bocio, Carlos del; Teniente Vallinas, Jorge; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaIn this paper a new method to design a transition from coaxial waveguide to a loaded double ridge waveguide is proposed. This method allows the use of the large frequency bandwidth ridge waveguides present. In the example shown, a reflection coefficient smaller than -10dB is obtained in a fractional bandwidth of 250% (f1-8*f1). The similarities between the dominant TEM modes of microstrip waveguide and loaded double ridge waveguides are the basis of this design method. The complete transition is made up through an intermediate transition to microstrip waveguide. Excellent behaviour is obtained.Publication Open Access A complete optimization-loop, including feeders, of antenna systems based on reflectors(IEEE, 2005) Delgado, D.; Teniente Vallinas, Jorge; Río Bocio, Carlos del; Haro, L. de; Martínez, J. A.; Pino, A.G; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaIn 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 the feed inside the optimization loop of the whole system, by means of a parametric definition of the feeder. To perform the optimization, the parametric feed will be considered as an additional surface, which receives some desired electric field that should be analyzed to properly modify the feed definition parameters in order to reduce the difference between the desired and the new generated field distribution over a planar surface nearby the focal point of the system. At the end of the optimization process, all the elements of the whole antenna system, reflectors and feed, will be totally defined and perfectly coupled.Publication Open Access Optimized feedhorn designs for compact antenna test range at Limoges University(IEEE, 2006) Teniente Vallinas, Jorge; Arnaud, Eric; Gonzalo García, Ramón; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaIn this paper, high technology optimized feedhorn designs are presented. These feedhorns have been designed to improve the quite zone size and behaviour at the Compact Antenna Test Range (CATR) of the Antenna Research Team (OSA) from Limoges University XLIM laboratory. Very nice results are obtained maintaining the quite zone at its maximum size over the whole frequency range. The designed feedhorns present low crosspolar levels, high phase centre stability and they are very simple and small, resulting in a very low manufacturing cost.Publication Open Access Nuevas técnicas para el diseño de antenas de bocina corrugadas(2004) Teniente Vallinas, Jorge; Gonzalo García, Ramón; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaThe 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 pattern features and reduce the antenna size. Basic design rules will be given to start with an appropriate profile which can be quickly used as input profile for modern optimization codes to improve antenna characteristics, i.e. its size.Publication Open Access Comparación entre antenas cónicas corrugadas y antenas gaussianas corrugadas(2002) Teniente Vallinas, Jorge; Gonzalo García, Ramón; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaIn 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, while conical corrugated horn antennas offer higher directivities for the same aperture. Both type of antennas provide low crosspolar levels.Publication Open Access Conical versus gaussian profiled corrugated horn antennas(IEEE, 2002) Teniente Vallinas, Jorge; Gonzalo García, Ramón; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaIn 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, while conical corrugated horn antennas offer higher directivities for the same aperture. Both type of antennas provide low crosspolar levels.Publication Open Access Diseño y medida de una antena choke-gaussiana(2002) Goñi Campión, David; Teniente Vallinas, Jorge; Gonzalo García, Ramón; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaA 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 this paper. We compare this horn performance with the designs of other authors. Measurements show a really impressive radiation patterns with sidelobe levels below –43 dB in a certain bandwidth.Publication Open Access Choked-gaussian corrugated horn antenna design small global coverage horn antenna for TT&C with extremely low sidelobe level(2003) Teniente Vallinas, Jorge; Gonzalo García, Ramón; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaExtremely 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 radical change in the current technology. It consists in attaching together a choked-waveguide antenna with a classical pure gaussian output corrugated horn. A really impressive radiation pattern with very low sidelobes and crosspolar levels in a very short antenna is obtained. This antenna shape was firstly presented in [1]. In this paper an improvement in size, weight, bandwidth and crosspolar level of the design is shown. This improvement has been possible due to the optimisation of the profile by means of the use of a mode matching code (mwave Wizard) instead of a time consuming finite element code.Publication Open Access Modern corrugated horn antennas(2003) Teniente Vallinas, Jorge; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta ElektronikoaLa presente tesis doctoral ha tenido como propósito sentar las bases de diseño de las antenas corrugadas de última generación que se vienen desarrollando desde 1995 en el seno del Grupo de Antenas de la Universidad Pública de Navarra. Este tipo de antenas, ahora mundialmente conocidas como antenas corrugadas Gaussianas o más recientemente con el término “corrugated GPHA’s” donde el término GPHA hace referencia a las siglas en inglés “Gaussian Profiled Horn Antennas” que significa Antenas de Bocina de Perfil Gaussiano; son en la actualidad la mejor solución posible para conseguir patrones de radiación de muy altas prestaciones. Concretamente, las antenas corrugadas de perfil gaussiano superan al resto de antenas de bocina corrugadas en dos aspectos: - Es posible diseñar antenas con lóbulos laterales muchísimo más bajos que con cualquier otro tipo de perfil corrugado. - Son, en general, más cortas que el resto de antenas corrugadas debido a que sus prestaciones son mejores. Por todo ello, actualmente son la opción elegida por multitud de grupos de investigación a nivel mundial para realizar las antenas de bocina corrugadas que requieren sus proyectos. Antenas de este tipo ya han sido embarcadas en satélites como Hispasat 1C e Hispasat 1D, van a ser utilizadas para el instrumento aerotransportado de la ESA llamado Marschals, serán utilizadas en el futuro satélite Planck de la ESA y actualmente una nueva versión muy prometedora esta siendo comercializada por la empresa inglesa Flann Microwave, Ltd.