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A two-channel radiometer based on the null measurement method

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Abstract

A two-channel microwave radiometer (with two receivers) for the decimeter wavelength range is described. The null measurement method is realized in this instrument through application of combined pulse (amplitude and pulse-width) modulation. The use of a special algorithm for forming signals controlling the pulse-width modulation in each channel reduces the dynamic errors in tracking the changes in the antenna signal.

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References

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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, V. M. Vinokurov & A. O. Misyunas

Authors
  1. A. V. Filatov
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  2. V. M. Vinokurov
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  3. A. O. Misyunas
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Additional information

Original Russian Text © A.V. Filatov, V.M. Vinokurov, A.O. Misyunas, 2009, published in Pribory i Tekhnika Eksperimenta, 2009, No. 1, pp. 90–95.

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Filatov, A.V., Vinokurov, V.M. & Misyunas, A.O. A two-channel radiometer based on the null measurement method. Instrum Exp Tech 52, 79–84 (2009). https://doi.org/10.1134/S0020441209010126

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  • DOI: https://doi.org/10.1134/S0020441209010126

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