基于高光谱遥感的玉米叶片SPAD值估算模型研究

董哲,杨武德,张美俊,朱洪芬,王超

Estimation Models of Maize Leaf SPAD Value Based on Hyperspectral Remote Sensing

Zhe Dong,Wude Yang,Meijun Zhang,Hongfen Zhu,Chao Wang

表2 光谱特征参数与玉米叶片SPAD的相关系数（n=80）

Table 2 Correlation coefficients between the spectral characteristic parameters and SPAD value of maize leaves (n=80)

参数Parameter 相关系数 Correlation coefficient 植被指数Vegetation index NDVI 0.843** GNDVI 0.811** RVI 0.893** 红边参数The trilateral parameter λr 0.935** kλr 0.872** sλr 0.914**