预处理方法 | 建模波段/cm−1 | R2 | RMSEP | RPD | Factor |
一阶导数 + MSC | 1799~1479, 1400~1319, 1240~1000 | 0.9473 | 0.00247 | 4.37 | 10 |
一阶导数 | 1799~1719, 1480~1399, 1080~1000 | 0.9215 | 0.0028 | 3.57 | 8 |
减去一条直线 | 1799~1319, 1273~1000 | 0.8033 | 0.00443 | 2.29 | 4 |
多元散射校正 | 1799~1399 | 0.8607 | 0.00331 | 2.68 | 7 |