预处理方法 | 建模波段/cm−1 | Rcal | RMSEP | RPD | Factor |
矢量归一化 | 1799~1639, 1480~1239 | 0.9428 | 0.0115 | 4.56 | 10 |
一阶导数 | 1799~1559, 1480~1239, 1080~1000 | 0.9396 | 0.0119 | 3.68 | 9 |
无光谱预处理 | 1799~1239 | 0.9391 | 0.0119 | 2.89 | 10 |
一阶导数 + 矢量归一化 | 1799~1559, 1480~1239 | 0.9371 | 0.0122 | 2.85 | 9 |
一阶导数 + 减去一条直线 | 11440~1559, 1480~1159 | 0.9353 | 0.0122 | 2.81 | 9 |