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Teniente Vallinas, Jorge

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https://academica-e.unavarra.es/handle/2454/50076

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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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Author: Río Bocio, Carlos del × Subject: Antenna design ×

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Now showing 1 - 2 of 2
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    PublicationOpen 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 Elektronikoa
    In 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.
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    PublicationOpen 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 Elektronikoa
    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 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.