基于偏最小二乘的土壤重金属镉间接反演模型

贺军亮, 韩超山, 韦锐, 周智勇, 东启亮

Research on indirect hyperspectral estimating model of heavy metal Cd based on partial least squares regression

Junliang HE, Chaoshan HAN, Rui WEI, Zhiyong ZHOU, Qiliang DONG

表3 土壤有机质含量与光谱变量的最大相关系数

Tab.3 Maximum correlation coefficients of soil organic matter content and spectral variables

光谱变量 敏感波段/nm 相关系数 R① 797 -0.468**② RT 797 0.437** AT 797 0.448** FD 1 396 0.721** SD 1 408 -0.601** RTFD 837 -0.670** RTSD 2 204 -0.394** ATFD 1 394 -0.766** ATSD 1 409 0.676** CR 1 909 0.666**