Jun ZHOU, Yang YANG, Yao YAO, Zi-wen LI, Jian WANG, Chang-jun HOU. Application of Mid-Infrared Spectroscopy in the Analysis of Key Indexes of Strong Flavour Chinese Spirits Base Liquor[J]. Spectroscopy and Spectral Analysis, 2022, 42(3): 764
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 3, 764 (2022)
Fig. 1. The frequency of each variable by chosen
(a): Total acid; (b): Ethyl caproate
(a): Total acid; (b): Ethyl caproate
Fig. 2. The distribution diagram of variables selected by GA-SiPLS
(a): Total acid; (b): Ethyl caproate
(a): Total acid; (b): Ethyl caproate
Fig. 3. Distribution of predicted and reference values in GA-SiPLS models
(a): Total acid; (b): Ethyl caproate
(a): Total acid; (b): Ethyl caproate
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Table 1. Statistical results of Calibration set and validation set
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Table 2. Different PLS model of two properties in base wine and the result of performance evaluation
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