The original spectrum is processed by using first derivative, and applying Partial Least-Squares method to set up linear mathematical model.

采用一阶导数方法对光谱进行预处理；利用偏最小二乘法建立模型。

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The original spectrum is processed by using first derivative, and applying Partial Least-Squares method to set up linear mathematical model.

采用一阶导数方法对光谱进行预处理；利用偏最小二乘法建立模型。

youdao