zhang R, Wen Y, Li L, Chen L, Xu G, Huang Y, et al. Method for UAV spraying pattern measurement with PLS model based spectrum analysis. Int J Agric & Biol Eng [Internet]. 2020 Jun. 8 [cited 2026 Jul. 25];13(3):22-8. Available from: https://ijabe.org/index.php/ijabe/article/view/5341