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A receiving unit of the null modified microwave radiometer for studying objects in the antenna near-field zone

  • Electronics and Radio Engineering
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Abstract

A receiving unit of the microwave radiometer, which is based on the modified null measurement method, is described. The application of this unit minimized the influence of the antenna mismatch relative to the studied environment. When the studied object approaches the antenna up to its complete touch, the error in the output signal of the radiometer does not exceed 0.1 K.

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Authors and Affiliations

  1. Tomsk State University of Control Systems and Radio Engineering, pr. Lenina 40, Tomsk, 634050, Russia

    A. V. Filatov & A. V. Ubaichin

Authors
  1. A. V. Filatov
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  2. A. V. Ubaichin
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Corresponding author

Correspondence to A. V. Filatov.

Additional information

Original Russian Text © A.V. Filatov, A.V. Ubaichin, 2015, published in Pribory i Tekhnika Eksperimenta, 2015, No. 1, pp. 82–86.

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Filatov, A.V., Ubaichin, A.V. A receiving unit of the null modified microwave radiometer for studying objects in the antenna near-field zone. Instrum Exp Tech 58, 81–85 (2015). https://doi.org/10.1134/S0020441215010170

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  • DOI: https://doi.org/10.1134/S0020441215010170

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