Lei Li, Qingzhou Wu, Tao Wang. Fluorescence Spectroscopy Characteristics of Radix Salviae Miltiorrhizae Powder Using Three-Dimensional Synchronous Fluorescence Combined with Parallel Factor Algorithm[J]. Laser & Optoelectronics Progress, 2021, 58(4): 0430001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 4, 0430001 (2021)
Fig. 1. 3D synchronous fluorescence spectrum of Radix Salviae miltiorrhizae powder solution with mass ratio of 0.4%. (a) 3D plot; (b) contour plot
Fig. 2. 3D synchronous fluorescence spectrum of Radix Salviae miltiorrhizae powder solution with mass ratio of 4%. (a) 3D plot; (b) contour plot
Fig. 3. Sum of squared error curves for different components number
Fig. 4. Excitation loadings curves for different components number. (a) Components number is 4; (b) components number is 5
Fig. 5. Images based on split half method for components number is 4. (a)Split 1--2; (b)split 3--4
Fig. 6. Measured results and experimental results based on parallel factor algorithm when components number is 4. (a) Measured results; (b) experimental results
Fig. 7. Excitation leverage curve based on parallel factor algorithm
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Table 1. Characteristic parameters of fluorescence spectrum
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