Zhurnal Radioelektroniki - Journal of Radio Electronics. eISSN 1684 -1719. 2020. No. 8
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DOI https://doi.org/10.30898/1684-1719.2020.8.6

UDC 621.371+537.87

 

Near-field microwave sounding of nonlinear subsurface targets

 

K. P. Gaikovich 1, A. I. Smirnov 2,3, Ye. S. Maksimovitch 4, V. A. Badeev 4 

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

2 Institute of Applied Physics of RAS, 46 Ul'yanov Street, Nizhny Novgorod, 603950, Russia

3 Lobachevsky State University of Nizhny Novgorod, 23, Prospekt Gagarina, Nizhny Novgorod, 603950, Russia

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


 The paper is received on August 5, 2020

 

Abstract. A new method of the near-field sounding of subsurface inhomogeneities with nonlinear response on harmonics of the probing signal is propoded. This method is based on the solving the near-field inverse scattering problem.  For the retrieval of the subsurface structure of complex permittivity and nonlinear susceptibility we used  data of multifrequency or pulse measurements obtained with the scanning transceiver system operating in the bistatic configurationd. In this paper, results of sounding with the pulse mono-sinus signal of silicon targets in the sand medium are demonstrated.

Key words: tomography, holography, dielectric, nonlinear media, near-field microwave diagnostics.

References

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For citation:

Gaikovich K.P., Smirnov A.I., Maksimovitch Ye.S., Badeev V.A. Near-field microwave sounding of nonlinear subsurface targets. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2020. No. 8. https://doi.org/10.30898/1684-1719.2020.8.6 (In Russian)