Hou Wei, Wang Jifen, He Xinlong. Spectral Classification and Identification of Methamphetamine and Its Common Additives Based on Multivariate Modeling[J]. Laser & Optoelectronics Progress, 2021, 58(3): 3300031
- Laser & Optoelectronics Progress
- Vol. 58, Issue 3, 3300031 (2021)
Fig. 1. Infrared spectra of all samples
Fig. 2. Classification accuracy of full band spectral data at characteristic variable with different dimensions
Fig. 3. Classification accuracy of infrared fingerprint region data at characteristic variable with different dimensions
Fig. 4. Spatial classification details of five additives
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Table 1. Two constituents samples preparation methods
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Table 2. Classification accuracy of five additives under different methods
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Table 3. Classification accuracy of samples containing different mass fractions of methamphetamine under different methods
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