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6 5个生育期组合估产模型

Table 6 Estimation models with five growth stages

生育期组合 拟合方程 R2 RMSE(kg/hm2) TS, JS, BS, HS, FS y=-0.36+0.57x1+0.21x2+0.41x3+0.25x4-0.11x5 0.75 246.05 TS, JS, BS, HS, RS y=-0.33+0.61x1+0.13x2+0.35x3+0.16x4+0.041x6 0.75 247.84 TS, JS, BS, FS, RS y=-0.44+0.66x1+0.14x2+0.55x3-0.013x5+0.075x6 0.73 254.68 TS, JS, HS, FS, RS y=-0.19+0.69x1+0.21x2+0.30x4-0.12x5+0.073x6 0.74 249.96 TS, BS, HS, FS, RS y=-0.48+0.73x1+0.48x3+0.20x4-0.057x5+0.099x6 0.74 253.11 JS, BS, HS, FS, RS y=-0.028+0.26x2+0.56x3+0.29x4-0.17x5+0.053x6 0.72 259.68