基于相对光谱变量的无人机遥感水稻估产及产量制图

王飞龙,王福民,胡景辉,谢莉莉,谢京凯

Estimating and Mapping Rice Yield Using UAV-Hyperspectral Imager based Relative Spectral Variates

Feilong Wang,Fumin Wang,Jinghui Hu,Lili Xie,Jingkai Xie

表2 单一生育期估产模型

Table 2 Estimation models with single growth stage

生育期 拟合方程 R2 RMSE(kg/hm2) 分蘖期(Tillering Stage)TS y=-0.61+1.59x1 0.55 329.19 拔节期(Jointing Stage)JS y=0.48+0.50x2 0.58 317.65 孕穗期(Booting Stage)BS y=-0.37+1.36x3 0.61 305.51 抽穗期(Heading Stage)HS y=0.40+0.56x4 0.57 323.15 灌浆期(Filling Stage)FS y=0.55+0.43x5 0.51 344.28 蜡熟期(Ripening Stage)RS y=0.63+0.35x6 0.47 358.86