Yu Ding, Linyu Yang, Jing Chen, Xingyu Wang, Xiaoran Guo, Xuanchen Xu, Xingqiang Zhao, Yong Luo, Wenjie Chen. Quantitative Analysis of Mg Element in Aluminium Alloy Based on Laser-Induced Breakdown Spectroscopy[J]. Laser & Optoelectronics Progress, 2022, 59(13): 1314006
- Laser & Optoelectronics Progress
- Vol. 59, Issue 13, 1314006 (2022)
Fig. 1. Experimental setup
Fig. 2. Spectra of aluminium alloy samples
Fig. 3. Prediction results of Mg element by PLS model
Fig. 4. Prediction results of Mg element by RF model
Fig. 5. Importance distribution of full-spectrum variables
Fig. 6. Importance selection of RF model
Fig. 7. Prediction results of Mg element by VI-RF model
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Table 1. Mass fraction of Mg element in aluminum alloy samples
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Table 2. Prediction performance of different models
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