Ranran ZHANG, Luna YING, Weidong ZHOU. Application of relevance vector machine combined with principal component analysis in quantitative analysis of LIBS[J]. Chinese Journal of Quantum Electronics, 2023, 40(3): 376
- Chinese Journal of Quantum Electronics
- Vol. 40, Issue 3, 376 (2023)
Fig. 1. Schematic diagram of experimental setup
Fig. 2. LIBS of soil sample Train1 (GWB7406) in the range of 270.02-278.97 nm
Fig. 3. Training results of quantitative analysis of chromium elements
Fig. 4. Testing results of quantitative analysis of chromium elements
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Table 1. The content of chromium element in soil samples
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Table 2. Average relative error (ARE) of 21 predictions by PCA-RVM and RVM model for each sample
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Table 3. Relative standard deviation (RSD) of 21 predictions by PCA-RVM and RVM model for each sample
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