Zhurnal Radioelektroniki - Journal of Radio Electronics. eISSN 1684-1719. 2020. No. 8
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DOI https://doi.org/10.30898/1684-1719.2020.8.5

UDC 621.371+537.87

 

Near-field pulse microwave sounding of dynamics of subsurface structure of human living tissues at pulmonary and cardiovascular activity


 L. A. Bokeria1, T. T. Kakuchaya1, Ye. S. Maksimovitch2, V. A. Badeev2, K. P. Gaikovich3

 1 A.N.Bakulev National Medical Research Center of Cardiovascular Surgery, Roublevskoe Shosse, 135, Moscow, 121552, Russia

  2 Institute of Applied Physics NAN of Belarus, Academicheskaya, 16, Minsk, 220072, Belarus

3 Institute for Physics of Microstructures RAS, GSP-105, Nizhny Novgorod, 603950, Russia


The paper is received on August 5, 2020

 

Abstract. Near-field measurements of the monosine signal scattered from the thorax detected variations related to the transformation of the dielectric structure of tissues in processes of pulmonary and cardiovascular activity. The method of retrieval of the depth distribution of the complex permittivity in the multilayer medium with the frequency dispersion based on solving the corresponding inverse scattering problem has been developed, and first results of its application have been obtained in the retrieval of variations of depth profiles of dielectric parameters of lung tissues as well as of related parameters of their air- and blood relative content.

Key words: near-field microwave sounding, inverse scattering problems, medical-biological diagnostics.

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For citation:

Bokeria L.A., Kakuchaya T.T., Maksimovitch Ye.S., Badeev V.A., Gaikovich K.P. Near-field pulse microwave sounding of dynamics of subsurface structure of human living tissues at pulmonary and cardiovascular activity. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2020. No. 8. https://doi.org/10.30898/1684-1719.2020.8.5 (In Russian)