Spectroscopy and Spectral Analysis, Volume. 41, Issue 9, 2710(2021)
Study on Norfloxacin Concentration Detection Based on Terahertz Time Domain Spectroscopy
Figures & Tables(6)
Fig. 2. Average spectrum of terahertz absorption coefficient
(a): Larger gradient Norfloxacin; (b): Smaller gradient Norfloxacin
Fig. 3. Terahertz absorption coefficient spectrum
(a): Larger gradient Norfloxacin (raw data); (b): Larger gradient Norfloxacin (after S-G filtering);(c): Smaller gradient Norfloxacin (raw data); (d): Smaller gradient Norfloxacin (after S-G filtering)
Fig. 4. Variable selection SPA (Larger gradient Norfloxacin)
(a): RMSE graph of the number of variables selected; (b) Location of selected variables
Table 1. MLR modeling results of larger gradient Norfloxacin
View tableView in ArticleTable 1. MLR modeling results of larger gradient Norfloxacin
变量选择
方法变量
个数Rc RMSEC
/%Rp RMSEP
/%特征峰 2 0.995 3.44 0.941 10.84 逐步回归 11 0.996 1.62 0.962 2.74 特征峰+
逐步回归13 0.999 1.76 0.989 5.72 SPA 14 0.999 1.58 0.992 5.52
Table 2. MLR modeling results of smaller gradient Norfloxacin
View tableView in ArticleTable 2. MLR modeling results of smaller gradient Norfloxacin
变量选择
方法变量
个数Rc RMSEC/
(μg·mL-1)Rp RMSEP/
(μg·mL-1)特征峰 2 0.590 34.5 0.307 10.85 SPA 2 0.485 23.50 0.472 24.07 逐步回归 10 0.859 15.18 0.728 18.79
Tools
Get Citation
Copy Citation Text
Jun-peng BAI, Bin LI, Shu-juan ZHANG, Yi-mei CHEN. Study on Norfloxacin Concentration Detection Based on Terahertz Time Domain Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(9): 2710
Paper Information
Category: Research Articles
Received: Aug. 10, 2020
Accepted: --
Published Online: Oct. 29, 2021
The Author Email: BAI Jun-peng (1131458347@qq.com)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20