FIELD: radio engineering, communication.
SUBSTANCE: method includes obtaining images of areas in the visible wavelength range, as well as in the wavelength range of fluorescence of atmospheric nitrogen under the effect of ionising radiation using matrix photodetectors. The ratio of the contrast of adjacent elements of images in the visible spectrum and similar contrast of the image in the nitrogen fluorescence range is determined on images of an uncontaminated area. The monitoring process includes constantly determining the value of said contrast ratio for all elements of the obtained images. If the obtained value differs from the value determined for part of the uncontaminated area, parts of the area whose image was captured by the matrix photodetectors is considered radioactively contaminated.
EFFECT: high reliability of monitoring results.
2 dwg
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