NDLI: Noninvasive technique of investigating biological tissues based on a method of a resonant near-field microwave tomography

Content Provider	IEEE Xplore Digital Library
Author	Smirnov, A.I. Yanin, D.V. Galka, A.G. Kostrov, A.V. Strikovskiy, A.V.
Copyright Year	2013
Description	Author affiliation: Inst. of Appl. Phys., Nizhny Novgorod, Russia (Smirnov, A.I.; Yanin, D.V.; Galka, A.G.; Kostrov, A.V.; Strikovskiy, A.V.)
Abstract	This work presents the development of a noninvasive technique of investigating biological tissues, which is based on the method of resonant near field microwave tomography. Being new in medical practice, this method allows one to determine subsurface distributions of dielectric permittivity and conductivity of a medium by using the results of measuring the impedance of small antennas which are located on the medium surface and included in resonant sensors. As a probing element, we use the edge capacity of a cylindrical condenser with external coating and a metal flange end. Such a configuration of the near-field antenna makes it possible to minimize the negative influence of the pressing and measurements data distortions caused by the pressure of the sensor on the biological tissue. We work out a theoretical approach to finding the dependences of impedance characteristics of the near-field antennas, which contact the surface of a medium characterized by an inhomogeneous profile of the complex permittivity, and present examples of solving the inverse problem for subsurface probing in the case of layered media.
Starting Page	529
Ending Page	531
File Size	351503
Page Count	3
File Format	PDF
ISBN	9781479928965
e-ISBN	9781479928972
DOI	10.1109/ICATT.2013.6650836
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-16
Publisher Place	Ukraine
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microwave measurement Microwave antennas permittivity inhomogeneous medium conductivity Capacitors Biological tissues Microwave theory and techniques Sensors near-field microwave tomography Permittivity near-field antenna
Content Type	Text
Resource Type	Article

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