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Telecommunications and Radio Engineering
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v59.i3-4.150
5 pages

Noninvasive Estimation of Temperature Gradient of Inner Layers of Living Tissues by the Ultrasonic Method

G. I. Klochko
A. Usikov Institute of Radio Physics and Electronics; A.I. Kalmykov's Center of Earth radiophysic sounding, National Academy of Sciences and National Space Agency of Ukraine, 12, Ak. Proskury Str., Kharkiv, 61085, Ukraine
A. I. Logvinenko
A. Usikov Institute of Radio Physics and Electronics; A.I. Kalmykov's Center of Earth radiophysic sounding, National Academy of Sciences and National Space Agency of Ukraine, 12, Ak. Proskury Str., Kharkiv, 61085, Ukraine
Oleg Sytnik
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine

ABSTRAKT

Paper is devoted to a problem of the equipment development for the remote sensing of temperature gradient of inner layers of objects which are inaccessible in the contact methods of measurement. The idea of the analysis of ultrasonic fluctuation reflected from the inner inhomogeneity environments and restoration of a structure of distribution speed of pressure along a sounding beam is used as the basis for this method. Analysis of the possibility of realization of the remote temperature sensing is carried out on the basis of a method of the boundary integrated equations. The measurement technique is offered on the basis of a differential-phase method of an estimation of speed of distribution of the reflected signals. Requirements to the equipment and algorithms of the reflected signal processing are formulated. A difference-phase method is used as the heart of a distribution speed of the reflected signals.


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