Jie WU, Chuang-kai LI, Wen-jun CHEN, Yan-xin HUANG, Nan ZHAO, Jia-ming LI, Huan YANG, Xiang-you LI, Qi-tao LÜ, Qing-mao ZHANG. Multiple Liner Regression for Improving the Accuracy of Laser-Induced Breakdown Spectroscopy Assisted With Laser-Induced Fluorescence (LIBS-LIF)[J]. Spectroscopy and Spectral Analysis, 2022, 42(3): 795
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 3, 795 (2022)
Fig. 1. Schematic diagram of LIBS-LIF experimental setup
Fig. 2. Results of Cr concentrations (a) and Ni concentrations (b) predicted by simple linear regression
Fig. 3. LIBS spectral intensities of Ni containing samples (a) and Cr containing samples (b)
Fig. 4. Results of Ni concentrations (a) and Cr concentrations (b) predicted by multiple linear regression
Fig. 5. The fitting coefficients of Ni(a) and Cr(b) with different dimensions
Fig. 6. ARE of Ni(a) and Cr(b) with different dimensions
Fig. 7. RESECV of Ni (a) and Cr (b) with different dimensions
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Table 1. Concentrations of Cr and Ni in micro alloyed steel samples(Wt%)
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Table 2. Regression coefficients of multiple linear regression
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