Spectroscopy and Spectral Analysis, Volume. 42, Issue 2, 598(2022)
Effect of Heating and Cooling on the Characteristic Lines of Al During Melting
Figures & Tables(9)
Fig. 2. Variation trend of Al characteristic line intensity with temperature rising
Fig. 3. Effect of increasing temperature on electron temperature of laser induced Al plasma
Fig. 4. Effect of increasing temperature on Al plasma electron density
Fig. 5. Variation trend of Al characteristic line intensity with temperature decreasing
Fig. 6. Effect of temperature decreasing on electron temperature of laser induced Al plasma
Fig. 7. Effect of temperature decreasing on Al plasma electron density
Table 1. Al characteristic line parameters
View tableView in ArticleTable 1. Al characteristic line parameters
Wavelength
/nmEk
/cm-1gk Aki
/(107 s-1)Al 221.01 45 344.165 4 0.87 226.91 44 168.870 6 7.58 237.21 42 144.410 2 0.58 256.80 71 235.200 4 1.92 257.51 38 933.980 6 3.60 265.25 37 689.407 2 1.42 266.04 37 689.407 2 2.84 308.22 32 435.453 4 5.87 309.27 32 436.796 6 7.29
Table 2. SNR comparison of different wavelet basis functions
View tableView in ArticleTable 2. SNR comparison of different wavelet basis functions
小波基函数 信噪比(SNR) db2 26.17 db4 25.36 db5 24.82 sym2 26.56 sym5 27.83 sym8 26.97
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Zheng GONG, Jing-jun LIN, Xiao-mei LIN, Yu-tao HUANG. Effect of Heating and Cooling on the Characteristic Lines of Al During Melting[J]. Spectroscopy and Spectral Analysis, 2022, 42(2): 598
Paper Information
Category: Research Articles
Received: Dec. 29, 2020
Accepted: Feb. 4, 2021
Published Online: Apr. 2, 2022
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