Exploració per autor "Romeu Robert, Jordi"
Ara es mostren els items 20-39 de 248
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A submillimeter wave parabolic reflector by additive manufacturing
Romeu Robert, Jordi; Aguasca Solé, Alberto; Blanch Boris, Sebastián; O'Callaghan Castellà, Juan Manuel; Jofre Roca, Lluís; Buitrago Ventura, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialThe manufacturing of prototype of an offset parabolic reflector to operate at 120 GHz is presented. The paper describes the different metallization options to achieve a good performance. -
Active zone self-similarity of fractal sierpinski antenna verified using infra-red thermograms
González, J.M.; Navarro Bernal, Manuel; Puente Baliarda, Carles; Romeu Robert, Jordi; Aguasca Solé, Alberto (Institution of Electrical Engineers, 1999-08)
Article
Accés obertThe surface current distribution of a Sierpinski fractal antenna shows a self-similar behaviour determined by the self-similar properties of its geometry. The application of infra-red thermography to electromagnetic near ... -
ACÚSTICA 2 (Examen 2n quadrimestre, 2n parcial)
Romeu Robert, Jordi (Universitat Politècnica de Catalunya, 2016-06-07)
Examen
Accés restringit a la comunitat UPC -
ACÚSTICA 2 (Examen 2n quadrimestre, 2n parcial)
Romeu Robert, Jordi (Universitat Politècnica de Catalunya, 2017-06-19)
Examen
Accés restringit a la comunitat UPC -
ACÚSTICA II (Examen 2n quadrimestre, 2n parcial)
Romeu Robert, Jordi (Universitat Politècnica de Catalunya, 2013-06-12)
Examen
Accés restringit a la comunitat UPC -
ACÚSTICA II (Examen 2n quadrimestre, 2n parcial)
Romeu Robert, Jordi (Universitat Politècnica de Catalunya, 2014-06-16)
Examen
Accés restringit a la comunitat UPC -
ACÚSTICA II (Examen 2n quadrimestre, 2n parcial)
Romeu Robert, Jordi (Universitat Politècnica de Catalunya, 2015-06-11)
Examen
Accés restringit a la comunitat UPC -
ACÚSTICA II (Examen 2n quadrimestre, 2n parcial)
Romeu Robert, Jordi (Universitat Politècnica de Catalunya, 2012-06-08)
Examen
Accés restringit a la comunitat UPC -
Agrupación plana alimentada por linea de sustrato suspendido
Torrents Dolz, Josep M.; Romeu Robert, Jordi; Jofre Roca, Lluís (1989)
Text en actes de congrés
Accés obertThe purpose of this design is a new type of planar antenna with hi gh-efficency and large-bandwidth requirements of TVRO. A low loss suspended substrate line (SSL ) has been developed and optimisated for feed network. -
An approximate expression to estimate signal-to-noise improvement in cylindrical near-field measurements
Romeu Robert, Jordi; Jofre Roca, Lluís; Cardama Aznar, Ángel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1994-07-01)
Article
Accés obertA very simple approximate expression for the process gain (PG) for the cylindrical case is derived. The different approximations and assumptions required to obtain this expression are shown. This expression might be useful ... -
An architecture analysis for millimeter-wave optically steerable antenna array
Ballesteros Sánchez, Christian; Maestre, Marcos; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Comunicació de congrés
Accés restringit per política de l'editorialA lens-based integrated photodiode-antenna array for a Radio over Fiber (RoF) 5G wireless base station at millimeter-wave frequencies is proposed and analyzed. The elements of the array are based on slot bow-tie antennas ... -
An iterative model for fractal antennas: application to the Sierpinski gasket antenna
Puente Baliarda, Carles; Borja Borau, M.Carmen; Navarro Rodero, Mònica; Romeu Robert, Jordi (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-05-31)
Article
Accés obertA simple model that explains the behavior of the Sierpinski fractal antenna is presented. This model shows that the multiband behavior of the Sierpinski fractal antenna is a consequence of its fractal nature. The model is ... -
An optimum method to design probe-fed single-layer single-path wideband microstrip antenna
Anguera Pros, Jaume; Puente Baliarda, Carles; Romeu Robert, Jordi; Borja, C.; Font, Gisela (European Space Agency (ESA), 2000)
Text en actes de congrés
Accés restringit per política de l'editorialA simple electrical network for a Single Layer Microstrip Patch Antenna (SLMPA) and the feeding structure (coaxial probe and compensating capacitor) is proposed to predict the input impedance. The mathematical analysis ... -
Análisis de Errores de Medida en Campo Próximo Cilíndrico
Soneira Ferrando, M. José; Clavera, Jordi; Jofre Roca, Lluís; Romeu Robert, Jordi; de los Reyes, Elías (Universidad Politécnica de Madrid (UPM), 1988)
Text en actes de congrés
Accés obertA prograrn to compute near and far fields generated by a planar array has been developed . Sirnulations on the effect of antenna and rnesurernent errors in the cylindrical near-far field transforrnations algorithrns have ... -
Análisis de la difracción de cuerpos metálicos mediante el método incremental
Broquetas Ibars, Antoni; Romeu Robert, Jordi; Jofre Roca, Lluís (1989)
Text en actes de congrés
Accés obertAn incremental method for diffraction analysis of metalic bodies of arbitrary shape is presented. The algorithm has been evaluated for metalic cylinders and for tridimensional bodies using a scalar approximation of the field. -
Antena impresa de banda ancha
Pérez, Luis Andrés; Romeu Robert, Jordi (Unión Científica Internacional de Radio (URSI), 1990)
Text en actes de congrés
Accés obert -
Antenas
Cardama Aznar, Ángel; Jofre Roca, Lluís; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Blanch Boris, Sebastián; Ferrando Bataller, Miguel (Edicions UPC, 2002)
Llibre
Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UICEn este libro se presentan los métodos fundamentales de análisis de antenas con un nivel de detalle que permite comprender sus principios de funcionamiento y conocer los parámetros de diseño que son de interés práctico. ... -
Antenna input impedance measurement using multi-load MST
Romeu Robert, Jordi; Capdevila Cascante, Santiago; Bolomey, Jean Charles; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents the practical use of modulated scatterer technique (MST) for the measurement of the antenna input impedance using a multi-load automatic switching device, and it also includes the analysis of the ... -
Antenna packaging for in-body applications
Romeu Robert, Jordi; González López, Giselle; Blanch Boris, Sebastián; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés obertA cylindrical mode expansion of the fields produced by an embedded antenna is used to determine the dimensions of the antenna packaging in order to minimize antenna impedance changes when the antenna is immersed in a varying ... -
Antenna reconfigurability based on a novel parasitic pixel layer
Rodrigo López, Daniel; Damgaci, Yasin; Unlu, M.; Cetiner, Bedri Artug; Romeu Robert, Jordi; Jofre Roca, Lluís (2011)
Text en actes de congrés
Accés restringit per política de l'editorialA novel reconfiguration method based in the use of pixel surfaces as parasitic elements is presented. This concept can be used to provide reconfigurability to a wide variety of non-reconfigurable antennas without requiring ...