We have applied shortwave near infrared spectroscopy combined with partial least squares(NIRS-PLS) to develop a calibration model for the determination of alcohol content in Distilled Spirits.

• 应用短波近红外光谱结合偏最小二乘法(NIRS-PLS)建立白酒中乙醇含量定量分析数学模型,通过选取最佳波长范围和最适主因子数对模型进行优化。