闲鹤野云
第3楼2009/07/13
表3 显示的是干物质（DM=dry matter）、干物质消化率(DMD=dry matter digestibility)和酸性洗涤纤维（ADF=acid detergent fiber）近红外（NIR）校正模型的PLS参数。在1500 nm附近, 1900 到2000nm以及 2100nm 和2300 nm间的谱区，可以观察到三个参数间明显的差异。
lihua636
第6楼2009/07/14
谢谢帮忙了，还有一段搞不明白
Fig. 2 shows the PCA eigenvectors for the first two components that
explain most of the spectral variation in the samples analysed. The highest eigenvectors showed that water is the dominant feature
in the spectra in PC1 and PC2 (1450nm and 1930nm associated
with O–H second and first overtones). Additionally, eigenvectors
in PC1 and PC2 were observed around 1730nm associated with
C–H first overtones (oil present in the grain) and between 2200 nm
and 2300 nm associated with C–H combinations and overtones.
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