预处理方法 | 建模波段/cm−1 | Rcal | RMSEP | RPD | Factor |
一阶导数 | 1372.68~1292.15, 1217.8~982.4 | 0.9556 | 0.00117 | 3.39 | 7 |
一阶导数 + 减去一条直线 | 1372.68~1292.15, 1217.82~1137.29, 1062.96~982.43 | 0.9599 | 0.00118 | 3.48 | 5 |
二阶导数 | 1292.15~1211.62, 1143.49~1056.76 | 0.9493 | 0.00124 | 3.18 | 7 |
无光谱预处理 | 1527.5~1366.5, 1292.1~1056.8, 988.63~908.1 | 0.9501 | 0.00136 | 3.2 | 9 |
减去一条直线 | 1292.15~1211.62, 1062.96~982.43 | 0.9325 | 0.00139 | 2.77 | 3 |