Now showing items 1-20 of 53

    • 3D arrayed microwave tomographic system for medical imaging 

      Guardiola Garcia, Marta; Jofre Roca, Lluís; Gedda, F.; Capdevila Cascante, Santiago; Romeu Robert, Jordi; Blanch Boris, Sebastián (2010)
      Conference report
      Open Access
      In this paper, a combined tomographic imaging system comprising the rotation of a multiplexed linear antenna array around the object under test is designed. With this system a cylindrical sampling is obtained, allowing to ...
    • 3D beamsteering low complexity reconfigurable multilevel antenna 

      Zhou, Ivan; Ramirez, German; Montero, Luca; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís (2020-04)
      Article
      Open Access
      A low-complexity reconfigurable antenna (RA) capable of steering its beam into nine different directions corresponding to ¿={-42°,0°,42°} in the ¿={25°,0°,155°} planes, and ¿=±25° in the ¿=90° plane, using a reduced number ...
    • 3D UWB magnitude-combined tomographic imaging for biomedical applications. Algorithm validation 

      Guardiola Garcia, Marta; Jofre Roca, Lluís; Capdevila Cascante, Santiago; Blanch Boris, Sebastián; Romeu Robert, Jordi (2011-06)
      Article
      Open Access
      Biomedical microwave imaging is a topic of continuous research for its potential in different areas especially in breast cancer detection. In this paper, 3D UWB Magnitude-Combined tomographic algorithm is assessed for ...
    • A contact-less small antenna characterization through impedance modulation 

      Monsalve Carcelen, Beatriz; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Conference report
      Open Access
      In smalls antennas S-parameters measurements are highly influenced by the measurement equipment as well as the environment. In order to avoid this inconvenience, a wireless and non-invasive characterization setup is required. ...
    • A microwave invisibility cloak: the design, simulation, and measurement of a simple and effective frequency-selective surface-based mantle cloak 

      Yuste, Pedro; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Blanch Boris, Sebastián; Heldring, Alexander; Úbeda Farré, Eduard (2018-06-26)
      Article
      Open Access
      In recent years, there has been a growing interest in developing invisibility cloaks that can conceal an object. These techniques are often based either on coating a dielectric or conducting object with a homogeneous ...
    • A reconfigurable antenna with beam steering and beamwidth variability for wireless communications 

      Towfiq, Asaduzzaman; Bahceci, Israfil; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís; Cetiner, Bedri Artug (2018-07-12)
      Article
      Open Access
      A reconfigurable antenna (RA) capable of steering its beam into the hemisphere corresponding to ¿ ¿ {-40°,0°,40°}, Ø ¿ {0°,45°,90°,-45°}, and of changing 3-dB beamwidth, where ¿3dB ¿ (40°,100°), Ø ¿ {45°,90°,-45°} for ...
    • A simple and effective microwave invisibility cloak based on frequency selective surfaces 

      Yuste, Pedro; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Blanch Boris, Sebastián; Heldring, Alexander; Úbeda Farré, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference lecture
      Open Access
      This paper presents the design, simulation, manufacturing and testing of a simple invisibility cloak based on a frequency selective surface (FSS). The work is focused on cloaking an electrically thin dielectric cylinder ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      The 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.
    • Antenas 

      Cardama Aznar, Ángel; Jofre Roca, Lluís; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Blanch Boris, Sebastián; Ferrando Bataller, Miguel (Edicions UPC, 2002)
      Book
      Restricted access to UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC users
      En 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. ...
    • 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
      Open Access
      The 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
      Open Access
      Three 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 ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      An 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 ...
    • Caracterizacion polarimetrica de blancos radar 

      Romeu Robert, Jordi; Blanch Boris, Sebastián (Universidad de Málaga, 1992)
      Conference report
      Open Access
    • Caracterización electromagnética de materiales RAM mediante medidas en espacio libre 

      Blanch Boris, Sebastián; Cardama Aznar, Ángel; Jofre Roca, Lluís (1991)
      Conference report
      Open Access
      A free-space measurement system in the 2-JBGHz frequency range is used to measure the reflection and transmission coefficients of planar samples. The complex electric permittivity and the magnetic permeability are calculated ...
    • Channel matrix characterization in MIMO scenario through impedance modulation 

      Monsalve Carcelen, Beatriz; Romeu Robert, Jordi; Blanch Boris, Sebastián (2010)
      Conference report
      Open Access
      In 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 ...
    • Collimated beam FMCW radar for vital sign patient monitoring 

      Prat, Arnau; Blanch Boris, Sebastián; Aguasca Solé, Alberto; Romeu Robert, Jordi; Broquetas Ibars, Antoni (2018-12-18)
      Article
      Open Access
      Patient monitoring of vital signals such as breathing rhythm and heart beat rate can be done remotely by the use of a radar system. This approach is advantageous since it does not require any contact with the patient. ...
    • Correlation techniques applied to antenna pattern measurement 

      Leather, P. S. H.; Parsons, J. D.; Romeu Robert, Jordi; Blanch Boris, Sebastián; Aguasca Solé, Alberto (2004-05-31)
      Article
      Open Access
      A correlation processor based on the excellent periodic autocorrelation properties of maximal-length pseudorandom binary sequences has been used in antenna pattern measurements to resolve the direct (wanted) path from ...
    • Debye frequency-extended waveguide permittivity extraction for high complex permittivity materials. Concrete setting process characterization 

      Gonzalez, Giselle; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís (2019-12)
      Article
      Open Access
      A waveguide with central frequency 868 MHz is used in transmission/reflection operation regime to accurately measure the behaviour of the complex permittivity of high complex permittivity granular materials and it has been ...
    • Diagnóstico de arrays. Estudio comparativo entre campo próximo rectangular y cilíndrico 

      Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís (Unión Científica Internacional de Radio (URSI), 1990)
      Conference report
      Open Access
    • Diseño de bocinas ridge conformadas usando el metodo incremental 

      Blanch Boris, Sebastián; Jofre Roca, Lluís (Universidad de Málaga, 1992)
      Conference report
      Open Access