Study reveals generation mechanism of radiative effects on novel active optical hyperspectral LiDAR system

https://phys.org/news/2023-05-reveals-generation-mechanism-effects-optical.html

"analysis and correction distance effect and incidence angle effect carried out independently... piecewise function couples quadratic and decay functions analyze and correct distance effect... Poullain algorithm analyze and correct incidence angle effect... heterogeneity target roughness factor and diffuse reflection coefficient under different incidence angles and wavelengths... correction result SD reduced 30% to 60%, compared with the echo intensity and reflectivity under standard 0-degree incidence angle...  by 12/2023"