Ji Mingqiang, Zhu Qibing, Huang Min, Zhang Liwen, Lei Zemin, Zhang Heng. Method for Improving Identification Accuracy of Components in Mixtures Using Raman Spectra of Known Mixtures[J]. Chinese Journal of Lasers, 2020, 47(11): 1111001
- Chinese Journal of Lasers
- Vol. 47, Issue 11, 1111001 (2020)
Fig. 1. Original spectra of six pure substances measured by hand-held Raman spectrometer
Fig. 2. Raman spectra of six pure substances after preprocessing
Fig. 3. Diagrams of overlapping peak region division and decomposition. (a) Region division; (b) decomposition
Fig. 4. Flowchart of algorithm
Fig. 5. Schematic of spectral peak shift
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Table 1. Known mixtures with different components
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Table 2. Mixtures to be identified with different components
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Table 3. Identification accuracy of each method
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Table 4. Identification accuracy of individual component
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Table 5. Identification accuracy under different sizes of known databases %
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