Xiao-mei LIN, Xiao-meng WANG, Yu-tao HUANG, Jing-jun LIN. PSO-LSSVM Improves the Accuracy of LIBS Quantitative Analysis[J]. Spectroscopy and Spectral Analysis, 2021, 41(11): 3583
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 11, 3583 (2021)
Fig. 1. Schematic diagram of the experimental system
Fig. 2. Characteristic line distributions of Pb and Cr
Fig. 3. Pb element calibration model based on LSSVM
Fig. 4. Cr element Calibration model based on LSSVM
Fig. 5. Pb element calibration model based on PSO-LSSVM
Fig. 6. Cr element calibration model based on PSO-LSSVM
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Table 1. Certified concentration (Wt%) of Pb and Cr in the samples
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Table 2. LSSVM and PSO-LSSVM data comparison
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