预处理方法 | 建模波段/cm−1 | Rcal | RMSEP | RPD | Factor |
消除常数偏移量 | 1447~1292.1, 1217.82~1137.29 | 0.9741 | 0.0778 | 4.4 | 9 |
减去一条直线 | 1527.5~1292.1, 1217.82~1056.8, 988.63~908.1 | 0.9746 | 0.0778 | 4.39 | 10 |
一阶导数 + 减去一条直线 | 1447~1292.1, 1217.82~1137.29 | 0.9752 | 0.0809 | 4.33 | 9 |
二阶导数 | 1676.2~1595.67, 1527.54~144081, 1372.68~1292.15, 1217.82~1137.29 | 0.9716 | 0.0827 | 4.22 | 10 |
一阶导数 | 1447~1292.1, 1143.49~1056.76 | 0.969 | 0.0846 | 4.03 | 10 |