Lei XU, Wei-hua ZHU, Hong-bing YAO, Guo-qing CHEN, Hua QIAO, Feng ZHU, Ying GENG, Chun-mei TANG, Xiang HE. Prediction of Acetic Acid Concentration in Chinese Liquors Based on Fluorescence Spectrumand Simulated Annealing Algorithm[J]. Spectroscopy and Spectral Analysis, 2021, 41(7): 2159
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 7, 2159 (2021)
Fig. 1. 3D fluorescence spectrum of ten-year liquor
Fig. 2. Signals of wavelet decomposition
(a): Approximate signal; (b): Detail signal
(a): Approximate signal; (b): Detail signal
Fig. 3. Derivative spectrum of vintage liquor (excitation wavelength: 200 nm)
(a): First derivative spectrum; (b): Second derivative spectrum
(a): First derivative spectrum; (b): Second derivative spectrum
Fig. 4. Diagram of effective signal intensity
Fig. 5. The correlation between concentration and original 3D spectra
Fig. 6. The correlation between derivative spectra and concentration
(a): First order derivative spectra;(b): Two order derivative spectra
(a): First order derivative spectra;(b): Two order derivative spectra
Fig. 7. The correlation between wavelet decomposition spectra and concentration
(a): Detail signal in the 3rd layer;(b): Detail signal In the 4th layer
(a): Detail signal in the 3rd layer;(b): Detail signal In the 4th layer
Fig. 8. Scatter diagram of second derivative spectral modeling results
Fig. 9. The curve of information density distribution of spectrum
|
Table 1. Modeling result of simulated annealing method
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20