Element-by-Element Calibration of an Optoelectronic Precipitation Gage

Techniques for calibrating optical rain gages are reviewed. The disadvantages of the existing calibration methods of the optoelectronic rain gage OPTIOS are analyzed and ways to eliminate them are suggested. The original patented method for calibrating the optical rain gage is described in detail, w...

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Bibliographic Details
Published in:Atmospheric and oceanic optics 2022-02, Vol.35 (1), p.77-80
Main Authors: Kalchikhin, V. V., Kobzev, A. A., Tikhomirov, A. A., Filatov, D. E.
Format: Article
Language:English
Subjects:
Accuracy
Atmospheric precipitations
Calibration
Hydrometeors
Lasers
Linear arrays
Optical Devices
Optical Instrumentation
Optics
Optoelectronics
Photonics
Photosensitivity
Physics
Physics and Astronomy
Precipitation
Rain
Rain gauges
Transducers
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Summary:Techniques for calibrating optical rain gages are reviewed. The disadvantages of the existing calibration methods of the optoelectronic rain gage OPTIOS are analyzed and ways to eliminate them are suggested. The original patented method for calibrating the optical rain gage is described in detail, which makes it possible to increase the accuracy of measuring the sizes of hydrometeors by means of taking into account the effective size of each photosensitive element of the linear sensor. This calibration technique is versatile and can be applied to any optical meter of linear sizes, where a linear array of photosensitive elements is used as a measuring transducer, with the aim of improving the measurement accuracy.
ISSN:1024-8560
2070-0393
DOI:10.1134/S1024856022010080