基于近红外光谱判断分析煤种的鉴别研究
洪子云1,2, 严承琳2, 闵红2, 邢彦军1,*, 李晨2, 刘曙2,*

Research on Coal Species Identification Based on Near-Infrared Spectroscopy and Discriminant Analysis
HONG Zi-yun1,2, YAN Cheng-lin2, MIN Hong2, XING Yan-jun1,*, LI Chen2, LIU Shu2,*
(a) 判别函数( F 1, F 2)得分散点图; (b) 判别函数( F 1, F 2)中每个变量的相关系数