The NIRS data were pretreated by the standard normal variate(SNV),and the calibration model was developed using partial least square(PLS).

• 光谱通过标准正态变量转换法的处理后经过偏最小二乘法建立模型,并且以定标集预测误差、验证集预测误差及其相关系数作为评判模型好坏。