Exploració per autor "Romeu Robert, Jordi"
Ara es mostren els items 39-58 de 248
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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 ... -
Aplicación del método de la descomposición modal al análisis de radomos esféricos
Romeu Robert, Jordi (Universidad de Málaga, 1992)
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Aprendizaje y asistencia virtual en red
Fuentes Fort, Maria; González Bermúdez, Meritxell; Guardiola Garcia, Marta; Jofre Roca, Lluís; Romeu Robert, Jordi; Vallverdú Bayés, Sisco (2011-01-20)
Report de recerca
Accés obertFavorecer el uso de las Tecnologías de Información y la Comunicación (TIC) en entornos educativos puede abarcar varios aspectos del proceso de aprendizaje. La incorporación de TICs en las aulas contribuye, por un lado a ... -
Aprendizaje y asistencia virtual en red /Aprenentatge i assistència virtual en xarxa
Jofre Roca, Lluís; Romeu Robert, Jordi; Vallverdú Bayés, Sisco; Fuentes Fort, Maria; Guardiola Garcia, Marta (Universitat Politècnica de Catalunya. Càtedra Telefónica-UPC, 2011-01)
Llibre
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Aprendizaje y asistencia virtual en red : la prueba Piloto : Cátedra Telefófica UPC : Análisis de le evolución y tendencias futuras de la sociedad de la información
Fuentes Fort, Maria; González Bermúdez, Meritxell; Guardiola Garcia, Marta; Jofre Roca, Lluís; Romeu Robert, Jordi; Vallverdú Bayés, Sisco (2011-07-29)
Report de recerca
Accés obertHemos llevado a cabo una prueba piloto, demostradora del uso de las tecnologías del lenguaje y el habla aplicadas al aprendizaje de inglés. En general, se espera que la actividad acerque al alumno el máximo posible a la ... -
Are space-filling curves efficient small antennas?
González Arbesú, José María; Blanch Boris, Sebastián; Romeu Robert, Jordi (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC., 2003-09-30)
Article
Accés obertThe performance of space-filling curves used as small antennas is evaluated in terms of quality factor and radiation efficiency. The influence of their topology is also considered. Although the potential use of these ... -
Assessment of 3-D printing technologies for millimeter-wave reflectors
Romeu Robert, Jordi; Blanch Boris, Sebastián; Vidal, Neus; Lopez-Villegas, Jose Maria; Aguasca Solé, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2018-07-20)
Article
Accés obertThree different 3D printing technologies: Stereolithography (SLA), Fused Deposition Modeling (FDM) and HP Multi Jet Fusion Technology (MJF) are compared to build a parabolic reflector operating at 100 GHz. Fabrication ... -
Assessment of LTCC-based dielectric flat lens antennas and switched-beam arrays for future 5G millimeter-wave communication systems
Imbert Villà, Marc; Romeu Robert, Jordi; Baquero Escudero, M.; Martinez Ingles, Maria Teresa; Molina-Garcia Pardo, Jose Maria; Jofre Roca, Lluís (2017-10-30)
Article
Accés obertIEEE This paper presents design, LTCC fabrication, and full experimental verification of novel dielectric flat lens antennas for future high data rate 5G wireless communication systems in the 60 GHz band. We introduce and ... -
Assessment of mmwave handset arrays in the presence of the user body
Ballesteros Sánchez, Christian; Vähä-Savo, Lauri; Haneda, Katsuyuki; Icheln, Clemens; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
Article
Accés obertThe emergence of mobile terminals operating at millimeter-wave frequencies necessitates the ability to evaluate the effect the environment, and in particular, users have on their radiation properties. Some studies evaluated ... -
Automatic polyp detection using microwave endoscopy for colorectal cancer prevention and early detection: phantom validation
Garrido Atienza, Alejandra; Sont Colomer, Roberto; Dghoughi, Walid; Marcoval Martínez, Sergi; Romeu Robert, Jordi; Fernández-Esparrach, Glòria; Belda Reig, Ignasi; Guardiola Garcia, Marta (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Article
Accés obertA system to integrate microwave imaging with optical colonoscopy is presented. The overarching goal is to improve the prevention and early diagnosis of one of the main health and economic burdens of an increasingly aging ... -
Automotive radar and radome calibration to improve the direction of arrival detection performance
Buitrago Ventura, Santiago; Blanch Boris, Sebastián; Romeu Robert, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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Accés restringit per política de l'editorialAn assessment of the improvement in the Direction of Arrival (DoA) measurements in automotive radar sensor by joint calibration of the radar sensor plus the radome is presented. Nowadays, radar sensors are calibrated before ... -
Beamforming antennas for 60 GHz positioning systems
Toda, Annapapió; Romeu Robert, Jordi; Jofre Roca, Lluís; de Flaviis, Franco (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper we analyze the benefit of using phased arrays as the receiving antennas of indoor location systems. A 60 GHz code division multiple access carrier-based ultra-wide band positioning system for the simultaneous ... -
Break point analysis and modelling in subway tunnels
Alonso, Javier; Izquierdo Fernandez, Benjamin; Romeu Robert, Jordi (2009)
Text en actes de congrés
Accés obertThe time constraints in network developments inside tunnels require a characterisation of canonical tunnels in terms of propagation path losses and developing a slope model which is usually represented as a two slope ... -
Calibration alignment sensitivity in corneal terahertz imaging
Zarrinkhat, Faezeh; Baggio, Mariangela; Lamberg, Joel; Tamminen, Aleksi; Nefedova, Irina; Ala-Laurinaho, Juha; Khaled, Elsayed E. M.; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Taylor, Zachary (Multidisciplinary Digital Publishing Institute (MDPI), 2022-04-22)
Article
Accés obertImproving the longitudinal modes coupling in layered spherical structure contributes significantly to corneal terahertz sensing, which plays a crucial role in the early diagnosis of cornea dystrophies. Using a steel sphere ... -
Caracterizacion polarimetrica de blancos radar
Romeu Robert, Jordi; Blanch Boris, Sebastián (Universidad de Málaga, 1992)
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Caracterización de antenas mediante termografías de infrarrojos
González Arbesú, José María; Romeu Robert, Jordi (1998)
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Channel matrix characterization in MIMO scenario through impedance modulation
Monsalve Carcelen, Beatriz; Romeu Robert, Jordi; Blanch Boris, Sebastián (2010)
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Accés obertIn this paper a new measurement setup to obtain the characteristic channel matrix of a MIMO radio system is presented using a small and non intrusive device able to characterize two antennas and therefore obtaining the ... -
Characterization of a 94 GHz radiometric imager with mechanical beam-scanning
Nova, Enrique; Abril, Jordi; Romeu Robert, Jordi; Broquetas Ibars, Antoni; Torres Torres, Francisco; Jofre Roca, Lluís (IEEE, 2011)
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Accés restringit per política de l'editorialThis paper presents the characterization in terms of spatial resolution and radiometric sensitivity of a W-band Total Power Radiometer (TPR). The TPR is based on a heterodyne receiver with 64 dB of gain and 6.5 dB of noise ... -
Characterization of pharmaceuticals using Terahertz Time Domain spectral-tomography
Nova Lavado, Enrique; Roqueta Crusats, Gemma; Romeu Robert, Jordi; Jofre Roca, Lluís (IEEE, 2013)
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Accés restringit per política de l'editorialIn this paper a Terahertz T ime-Domain measurement system has been used to perform Tomographic imaging of pharmaceutical compounds with coating. Measurements on paracetamol and ibuprofene samples are done both in ... -
Characterization of THz radiation by collimated wavefront aperture raster scanning
Nuño Gómez, Daniel-Juan; Santos Blanco, M. Concepción; Gomez Diaz, J. Sebastian; Romeu Robert, Jordi; Jofre Roca, Lluís (Universidad de Málaga, 2020)
Text en actes de congrés
Accés obertWe present measurements for characterization of the beam profile and polarization pattern of lens-coupled photoconductive antennas (PCAs) at THz frequencies using a setup with antennas at fixed positions and a movable ...