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Influence of the Coefficient of Reflectance of Antennas on Measurement Results from a Miniature Microwave Radiothermometer

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Biomedical Engineering Aims and scope

Theoretical and experimental results on the influence of the antenna reflection coefficient on results of measurement of the radio brightness temperature with a miniature microwave radiometer with a circulator are presented. These studies showed that the radiothermometer with a circulator developed here, in which the reference and balance loads are mounted on a Peltier element, ensures that measurement results are independent of the antenna reflection coefficient. The radio brightness temperature measurement error was 0.2°C, with a power reflection coefficient at the radiothermometer input of 0.25.

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Authors and Affiliations

  1. N. E. Bauman Moscow State Technical University, Moscow, Russia

    S. G. Vesnin, M. K. Sedankin & V. Yu. Leushin

  2. Department of Instrumentation Technology, N. E. Bauman Moscow State Technical University, Moscow, Russia

    A. G. Gudkov, S. V. Chizhikov, I. A. Sidorov & R. V. Agandeev

  3. Department of Industrial Logistics, N. E. Bauman Moscow State Technical University, Moscow, Russia

    E. N. Gorlacheva

Authors
  1. S. G. Vesnin
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  2. M. K. Sedankin
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  3. A. G. Gudkov
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  4. V. Yu. Leushin
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  5. S. V. Chizhikov
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  6. I. A. Sidorov
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  7. E. N. Gorlacheva
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  8. R. V. Agandeev
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Corresponding author

Correspondence to A. G. Gudkov.

Additional information

Translated from Meditsinskaya Tekhnika, Vol. 57, No. 2, March–April, 2023, pp. 8–11.

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Vesnin, S.G., Sedankin, M.K., Gudkov, A.G. et al. Influence of the Coefficient of Reflectance of Antennas on Measurement Results from a Miniature Microwave Radiothermometer. Biomed Eng 57, 85–89 (2023). https://doi.org/10.1007/s10527-023-10274-y

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  • DOI: https://doi.org/10.1007/s10527-023-10274-y

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