秋玉米SPAD值的光谱估算模型研究

花宇辉,高志强

Hyperspectral Estimation of SPAD Values in Different Varieties of Autumn Maize

Yuhui Hua,Zhiqiang Gao

表3 不同秋玉米品种一阶微分光谱参数线性回归模型决定系数

Table 3 Linear regression model coefficient of determination of first derivative spectum parameters of different autumn maize varieties

品种Variety 光谱参数模型 Spectum paramter model R2 双兴玉2号Shuangxingyu No.2 y=-10.951x+57.295 0.681 正大999 Zhengda 999 y=31517.7x+38.273 0.861 湘农玉27号Xiangnongyu No.27 y=86746.221x+18.798 0.793 兴玉818 Xingyu 818 y=136.176x+190.901 0.734 临奥1号B3 Lin′ao No.1 B3 y=31211.09x+54.037 0.768 湘农玉32号Xiangnongyu No.32 y=26016.52x+54.037 0.832 洛玉1号Luoyu No.1 y=530.47.443x+91.222 0.793 田玉335 Tianyu 335 y=29300.613x+35.924 0.856