Spectroscopy and Spectral Analysis, Volume. 42, Issue 8, 2392(2022)
The Study of Digital Baseline Estimation in CVAFS
Figures & Tables(9)
Fig. 3. Microscopic schematic diagram of voltage signal based on CVAFS
Fig. 6. 100 pg standard methylmercury single peak and mother wavelet convolution result
Fig. 7. Peak area calibration curve before and after wavelet transform
Table 1. Peak area of methylmercury with different content standards
View tableView in ArticleTable 1. Peak area of methylmercury with different content standards
样品 标样甲基汞 含量 0 pg 10 pg 20 pg 50 pg 100 pg 500 pg 1 000 pg 峰面积/(mV·s) 285.36 1 183.68 2 699.93 6 548.30 14 843.42 62 190.05 149 018.96 296.02 1 231.37 2 756.28 6 905.81 14 746.56 630 001.60 150 181.00 288.66 1 180.45 2 835.92 6 793.57 14 988.64 61 581.69 140 001.60 286.35 1 199.05 2 801.00 6 975.38 14 455.53 58 069.72 144 556.80 290.11 1 224.15 2 834.02 6 584.34 13 796.50 63 162.74 137 574.89 平均值/(mV·s) 289.30 1 203.74 2 785.43 6 761.48 14 566.13 61 601.16 144 266.65 标准差/(mV·s) 3.75 20.72 51.60 169.96 422.50 1 855.69 4 911.59 RSD/% 1.29 1.72 1.85 2.51 2.90 3.01 3.40
Table 2. Correlation coefficient comparison before and after wavelet transform
View tableView in ArticleTable 2. Correlation coefficient comparison before and after wavelet transform
变换条件 测试元素 相关系数(R2) 小波变换前 标样甲基汞 0.994 小波变换后 标样甲基汞 0.997
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Xin YU, Wei ZHOU, Dong-cai XIE, Feng XIAO, Xin-yu LI. The Study of Digital Baseline Estimation in CVAFS[J]. Spectroscopy and Spectral Analysis, 2022, 42(8): 2392
Paper Information
Category: Orginal Article
Received: Aug. 21, 2021
Accepted: --
Published Online: Mar. 17, 2025
The Author Email: YU Xin (15608187550@163.com)
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