FIELD: radio engineering, communication.;SUBSTANCE: invention provides an optical-electronic system which enables to measure density of fluorescence radiance in the UV spectral range, arising from ionisation of atmospheric nitrogen, and converting the obtained information to a visual image of distribution of levels of radioactive contamination on the underlying surface.;EFFECT: faster aerial radiological survey of an area due to shorter flight time of the aircraft and high reliability of instrument measurement data.;3 cl, 2 dwg
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