FIELD: physics.
SUBSTANCE: invention relates to methods for constructing a temperature map of the terrain by recording electromagnetic radiation emitted by objects located on the ground. Method for the formation of a temperature map of the terrain is proposed, including recording of electromagnetic radiation by means of a radiometer in the millimeter wavelength range with the formation of a radiometric imaging matrix of the terrain, recording of radiation in the infrared wavelength range using a thermal imager to obtain a matrix of the optical image of the terrain and its further segmentation into disjoint amplitude-homogeneous sub-domains, bringing the radiometric image matrix into correspondence with the scale of the optical image matrix, determining the corresponding elements of the radiometric image matrix, and calculating the average amplitude of these elements, which is assigned to all elements of the sub-domain of the optical image matrix, conversion of the amplitude of the elements of the optical image matrix into colour levels and formation of a temperature map of the terrain.
EFFECT: technical result is the obtaining of a temperature map of the terrain in the millimeter wavelength range with a high spatial resolution characteristic of the infrared wavelength range.
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Authors
Dates
2018-06-13—Published
2017-02-20—Filed