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Intellectual analysis of measurement results indicatries of scattering of the light power with a rounded surface

DOI 10.18127/j19997493-201901-06

Keywords:

L.V. Labunets – Dr.Sc.(Eng.), Professor, Department «Information Processing and Control Systems», Bauman Moscow State Technical University
E-mail: labunets@bmstu.ru; llv_bmstu@labnet.ru
I.M. Akhmetov – Post-graduate Student, Department «Information Processing and Control Systems», Bauman MSTU; Deputy Director of Department of Commercialization, JSC «United Rocket and Space Corporation» (Moscow)
E-mail: akhmetov.im@rosorkk.ru, akhmetov.im@gmail.com
D.M. Berezovsky – Engineer of the 2nd category, JSC «Russian Space Systems» (Moscow)
E-mail: bdmfrag@bk.ru


Physically validated structure of the mathematical model of the luminous intensity indicatrix, reflected by the coating of structural material, is proposed based on the intellectual analysis of goniophotometric measurement results. The model adequately describes the patterns of optical radiation scattering by a rough surface in the visible and near IR spectral ranges of the electromagnetic waves and does not require significant computational costs. The model parameters minimize the root-mean-square error of the experimental data approximation.
The article presents a parametric model of the luminous intensity indicatrix scattered by a rough surface. The structure of the direc-tionally and diffusely scattered components of the model considers the physical regularities of the indicatrix transformation depending on the polarization state of the radiant flux, the spectral characteristics of the optical constants of the sample of structural material and conditions of its exposure - observation, as well as shading and masking the microface of the rough surface of its neighbors. The optimal parameters of the model guarantee a sufficiently low value of the relative mean square error of the approximation of goniophotometric measurement data. At the same time, the model does not require large computational costs, which ensures its effective applications in the hardware-software complex for simulation of images digital modeling and input signals of optical radar systems for various purposes.

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