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 ...