模型

方程

P值

R²

MAE(%)

RMSE(%)

SM_P

$\text{SM}=-2.9785\cdot \text{PDI}+0.9407$

0

0.574

5.79

7.38

SM_M

$\text{SM}=-1.6298\cdot \text{MPDI}+0.6180$

0

0.644

5.30

6.75

SM_V

$\text{SM}=-1.9118\cdot \text{VAPDI}+0.5704$

0

0.682

5.15

6.38

MLR_N

$\text{SM}=-2.6159\cdot R_{\text{red}}-1.2245\cdot R_{\text{nir}}+0.2284\cdot \text{NDVI}+0.7727$

0

0.675

5.09

6.45

MLR_W

$\text{SM}=1.4200\cdot R_{\text{red}}-1.9667\cdot R_{\text{nir}}+0.6290\cdot \text{WRDVI}+1.2065$

0

0.681

5.05

6.38