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Optimization of Calibration Procedure for an Optoelectronic Precipitation Gage


The dependence of the optical precipitation gage calibration results on the size of reference objects is analyzed. Ways to optimize the calibration procedure are suggested, including: reducing the number of calibration zones; use of calibration coefficients instead of correction parameters; additional calibration with balls 1 mm in diameter; use of the coefficients dependent on the diameter measured for particles smaller than 2 mm. The conclusion is drawn about the efficiency of the calibration procedure suggested for optoelectronic devices designed to measure the size of small particles, for example, a snowstorm parameter gage.

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The work was supported by the Ministry of Science and Higher Education of the Russian Federation (Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch, Russian Academy of Sciences).

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Correspondence to V. V. Kalchikhin.

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The authors declare that they have no conflicts of interest.

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Translated by O. Ponomareva

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Kalchikhin, V.V., Kobzev, A.A., Tikhomirov, A.A. et al. Optimization of Calibration Procedure for an Optoelectronic Precipitation Gage. Atmos Ocean Opt 34, 726–729 (2021).

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  • optical precipitation gage
  • calibration
  • drop size
  • snowstorm parameter gage