Now showing items 1-20 of 23

  • Active microwave imaging of inhomogeneous bodies 

    PICHOT DU MEZERAY, Christian; Jofre Roca, Lluís; Peronnet, Guy; Bolomey, Jean Charles (1986-04-01)
    Article
    Open Access
    A numerical method and experimental technique for microwave imaging of inhomogenous bodies is presented. This method is based on the interpretation of the diffraction phenomena and leads to tomographic reconstruction of ...
  • 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)
    Conference report
    Restricted access - publisher's policy
    This 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 ...
  • Coupling optimization of point contact detectors and mixers 

    Bolomey, Jean Charles; Comerón Tejero, Adolfo (Institute of Electrical and Electronics Engineers (IEEE), 1979)
    Conference report
    Open Access
  • Database of "in vivo" measurements for quantitative microwave imaging and reconstruction algorithms available 

    Mallorquí Franquet, Jordi Joan; Joachimowicz, N; Bolomey, Jean Charles; Broquetas Ibars, Antoni (1995-10)
    Article
    Open Access
  • Electromagnetic coupling between an infrared antenna and a 10 mm laser radiation using a corner reflector 

    Comerón Tejero, Adolfo; Bolomey, Jean Charles (Institute of Electrical and Electronics Engineers (IEEE), 1980)
    Conference report
    Open Access
  • Electromagnetic coupling model of an infrared antenna 

    Comerón Tejero, Adolfo; Bolomey, Jean Charles (1980)
    Conference report
    Open Access
  • Enhancing RFID sensing capabilities: multi-load backscattering 

    Capdevila Cascante, Santiago; Jofre Roca, Lluís; Romeu Robert, Jordi; Bolomey, Jean Charles (2013)
    Conference report
    Restricted access - publisher's policy
    This conference paper presents some experimental results using the concept of an multi-loaded enhanced RFID tag capable of switching between different loads to fully determine the input impedance of the RFID tag antenna ...
  • Formación de imagen por microondas mediante agrupamientos lineales ortogonales 

    Jofre Roca, Lluís; Ferrando Bataller, Miquel; Bolomey, Jean Charles (Consejo Superior de Investigaciones Científicas (CSIC), 1986)
    Conference report
    Open Access
    Capabilities of a microwave imaging system working in the air by using two crossed linear arrays are described. The analytic expressions of the focalization procedures are derived and resolution and available volume of ...
  • Increased dynamic range for RFID EM-field measurements 

    Capdevila Cascante, Santiago; Romeu Robert, Jordi; Jofre Roca, Lluís; Bolomey, Jean Charles (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    This paper presents a new methodology to measure the electromagnetic (EM) field using RFID tags, overcoming the limitations in dynamic range arisen by the conventional excitation of RFID tags. The methodology consists in ...
  • Linear array arrangement for microwave tomography 

    Peronnet, Guy; Bolomey, Jean Charles; Jofre Roca, Lluís (1984-09-01)
    Article
    Open Access
    Recent developments both in measurement techniques and reconstruction algorithms have shown the possibility of quasi-real time microwave tomography. These technical developments always require more sophisticated experimental ...
  • Mejora del acoplamiento entre un diodo MIM y un haz láser 

    Comerón Tejero, Adolfo; Bolomey, Jean Charles (Universidad de Cantabria, 1982)
    Conference report
    Open Access
    The electromagnetic coupling between an electromagnetic beam and a wire structure is studied. Several ways of improving the coupling are described. These techniques can be used to increase the power coupled to MIM diodes ...
  • Microwave diffraction tomography for biomedical applications 

    Bolomey, Jean Charles; Izadnegahdar, Alain; Jofre Roca, Lluís; PICHOT DU MEZERAY, Christian; Peronnet, Guy (IEEE Microwave Theory and Techniques Society, 1982-11)
    Article
    Open Access
  • Microwave imaging of tissue blood content changes 

    Hawley, Mark; Broquetas Ibars, Antoni; Jofre Roca, Lluís; Bolomey, Jean Charles; Gaboriaud, Guillaume (1991-05)
    Article
    Restricted access - publisher's policy
    Active microwave imaging gives information on the dielectric properties of of the body, allowing the collection of data that are distinct from, but complementary to, those available from other imaging methods based on ...
  • Microwave imaging techniques for biomedical applications 

    Joisel, A; Mallorquí Franquet, Jordi Joan; Broquetas Ibars, Antoni; Geffrin, J M; Joachimowicz, N; Vall·Llossera, M; Vall-Llossera Ferran, Mercedes Magdalena; Jofre Roca, Lluís; Bolomey, Jean Charles (Vincenzo Piuri and Mario Savino, 1999)
    Conference report
    Open Access
    Microwaves have been considered for medical applications involving the detection of organ movements and changes in tissue water content. More particularly cardiopulmonary interrogation via microwaves has resulted in various ...
  • Microwave imaging with crossed linear arrays 

    Soneira Ferrando, M. José; de los Reyes, Elías; Bolomey, Jean Charles (1987-11-11)
    Article
    Open Access
    The capabilities of a microwave imaging system working in air using two crossed linear arrays are described. The analytic expressions of the focusing procedures are derived, resolution and available volume of reconstruction ...
  • On the improvement of the electromagnetic coupling between infrared point-contact detectors and laser beams 

    Comerón Tejero, Adolfo; Bolomey, Jean Charles (1984-01-09)
    Article
    Open Access
    The electromagnetic coupling between a gaussian beam and whisker structures such as those found in some kinds of non-linear devices used at infrared frequencies is investigated. Calculations show the potential improvement ...
  • On the possible use of microwave-active imaging for remote thermal sensing 

    Bolomey, Jean Charles; Jofre Roca, Lluís; Peronnet, Guy (IEEE Microwave Theory and Techniques Society, 1983-09)
    Article
    Open Access
  • Planar and cylindrical active microwave temperature imaging: numerical simulations 

    Rius Casals, Juan Manuel; Pichot du Mezeray, Christian Yves Dominique; Jofre Roca, Lluís; Bolomey, Jean Charles; Joachimowicz, N; Broquetas Ibars, Antoni; Ferrando Bataller, Miquel (1992-12)
    Article
    Open Access
    A comparative study at 2.45 GHz concerning both measurement and reconstruction parameters for planar and cylindrical configurations is presented. For the sake of comparison, a numerical model consisting of two nonconcentric ...
  • Processing microwave experimental data with the distorted Born iterative method of nonlinear inverse scattering 

    Mallorquí Franquet, Jordi Joan; Broquetas Ibars, Antoni; PICHOT DU MEZERAY, Christian; Bolomey, Jean Charles (Institute of Electrical and Electronics Engineers (IEEE), 1993)
    Conference report
    Open Access
    The Born-iterative method (BIM) and the distorted-Born-iterative method (DBIM) have been proposed and verified as methods of solving the nonlinear inverse scattering problem for dielectric scatterers. The continuous-wave ...
  • Rapid near-field antenna testing via arrays of modulated scattering probes 

    Bolomey, Jean Charles; Cown, Barry J.; Jofre Roca, Lluís (1988-08-06)
    Article
    Open Access
    Key results are summarized of efforts to significantly reduce the near-field measurement time by utilizing one- or two-dimensional arrays of modulated scattering probes in lieu of the single probe ordinarily used in ...