Influence of material surface roughness on backscattering in laser scanning
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In this paper, the possibility of applying Kirchhoff 's scalar approximation model for determining the backscattering coefficient from rough surfaces is investigated. Surfaces of dielectric and metallic materials, which have low roughness are considered. Based on the roughness parameters and electrical properties of these materials, the backscattering coefficient is modelled as a function of
the incident angle of electromagnetic radiation used in laser scanning. It was represented that the type of scattering and the range of backscattering radiation angles, in the case of seemingly smooth surfaces, vary significantly when the roughness parameters change.
Keywords:
Kirchhoff's scalar approximation model / Roughness parameters / Laser scanning / Backscattering coefficientSource:
STEPGRAD2022, 2022Publisher:
- University of Banja Luka, Faculty of Architecture, Civil Engineering and Geodesy
Funding / projects:
- Ministry of Education, Science and Technological Development of the Republic of Serbia (Grant No. 451-03-68/2020-14/200026) 2000092)
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200092 (University of Belgrade, Faculty of Civil Engineering) (RS-200092)