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Sökning: LAR1:uu > Konferensbidrag > Rydberg Anders

  • Resultat 1-10 av 113
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  • Asan, Noor Badariah, 1984-, et al. (författare)
  • Human Fat Tissue : A Microwave Communication Channel
  • 2017
  • Ingår i: 2017 First IEEE MTT-S International Microwave Bio Conference (IMBIOC). - : IEEE. - 9781538617137
  • Konferensbidrag (refereegranskat)abstract
    • In this paper, we present an approach for communication through human body tissue in the R-band frequency range. This study examines the ranges of microwave frequencies suitable for intra-body communication. The human body tissues are characterized with respect to their transmission properties using simulation modeling and phantom measurements. The variations in signal coupling with respect to different tissue thicknesses are studied. The simulation and phantom measurement results show that electromagnetic communication in the fat layer is viable with attenuation of approximately 2 dB per 20 mm.
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  • Augustine, Robin, 1982-, et al. (författare)
  • Bone Mineral Density Analysis using Ultra Wideband Microwave Measurements
  • 2015
  • Konferensbidrag (refereegranskat)abstract
    • A novel approach to analyze the bone mineral density (BMD) based on microwave reflectivity analysis is presented in this paper. The proposed method enables us to overcome the health risks associated with diagnostic techniques such as X-rays for repeated study of the rate of mineralization in the case of fractures or de-mineralization in the case of osteoporosis. In this paper, we demonstrate the application of Microwaves for continuous observation of skull healing process during post-cranial surgery period. The proposed technique can be a potential clinical model in future for extracting target characteristics such as bone deposition thickness and other cranial defects. Based on the conclusions of wideband measured data, we propose to design the Transceiver using ultra wideband (UWB) pulsed technology.
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  • Augustine, Robin, 1982-, et al. (författare)
  • Microwave Phantoms For Craniotomy Follow-Up Probe Development
  • 2014
  • Ingår i: 2014 IEEE CONFERENCE ON ANTENNA MEASUREMENTS & APPLICATIONS (CAMA). - 9781479936786
  • Konferensbidrag (refereegranskat)abstract
    • A novel phantom for skull implant diagnostics is presented in this paper. Specially designed three layer phantom is designed for osseointegration analysis after craniotomy using 2.4 GHz microwave probe. The phantom represents skin, skull and brain, and defects are made in the skull with the dielectric profile variation of realistic implants. The extreme dielectric constant variation of implant and bone gives a high degree of discrimination in resonant frequency. The presented craniotomy phantom is very useful for designing antennas for monitoring skull healing.
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  • Resultat 1-10 av 113

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