Vol. 14, no.1, 2022


The improved algorithm for human body internal temperature calculating by multi-frequency radiothermography method

Evgeny P. Novichikhin

Kotelnikov Institute of Radioengineering and Electronics of RAS, Fryazino Branch, http://fire.relarn.ru/
Fryazino 141190, Moscow Region, Russian Federation
E-mail: epnov@mail.ru
Alexander G. Gudkov, Igor A. Sidorov, Sergey V. Chizhikov
Bauman Moscow State Technical University, https://bmstu.ru/
Moscow 105005, Russian Federation
E-mail: profgudkov@gmail.com, igorasidorov@yandex.ru, chigikov95@mail.ru
Vitaly Yu. Leushin
Scientific and Production Company “HIPERION”, http://giperion-msk.ru/
Moscow 115201, Russian Federation
E-mail: ra3bu@yandex.ru
Svetlana V. Agasieva
RUDN University (Peoples' Friendship University of Russia), http://www.rudn.ru/
Moscow 117198, Russian Federation
E-mail: s.agasieva@mail.ru

Received September 21, 2021, peer-reviewed September 28, 2021, accepted October 05, 2021

Abstract: An improved algorithm for calculating the temperature and depth of a cancerous tumor in the depth of the human body by the method of multi-frequency multi-channel radiothermography is considered. An improved model is presented to describe the processes of receiving the human body's own radiothermal field by a multi-channel multi-frequency radiothermograph. The possibility of simultaneous calculation of temperature, the depth of the location under the skin and the size of the tumor is analyzed. The conditions for determining these values depending on the parameters of the tumor and the radiothermograph are investigated. The maximum possible depth of tumor detection is determined depending on the parameters of the radiothermograph and the thermal contrast in the source. The necessity of increasing the number of frequency ranges of the radiothermograph is justified. The results of calculating brightness temperatures at different depths of occurrence and tumor temperature are presented in the framework of an improved model.

Keywords: microwave radiothermography, non-invasive temperature measurement, malignant tumor, 3D-visualization, antenna-applicator

UDC 612.087

RENSIT, 2022, 14(1):79-86 DOI: 10.17725/rensit.2022.14.079.

Full-text electronic version of this article - web site http://en.rensit.ru/vypuski/article/431/14(1)79-86e.pdf