Yibing Lu, Wenqing Liu, Yujun Zhang, Kai Zhang, Dongqi Yu. A Fast Calculation Method of Single Spectral Absorption Integral Absorbance and Its Application[J]. Acta Optica Sinica, 2018, 38(12): 1214001
- Acta Optica Sinica
- Vol. 38, Issue 12, 1214001 (2018)
Fig. 1. Flow chart of TDLAS concentration inversion algorithm
Fig. 2. Schematic of triangular function
Fig. 3. Flow chart of L-M algorithm
Fig. 4. Fitted absorbance curves of CO with different volume fractions. (a) 8×10-6; (b) 16×10-6; (c) 24×10-6; (d) 48×10-6
Fig. 5. Normalized residual comparison using two fitting methods
Fig. 6. Normalized residual of absorption spectrum of CO with volume fraction of 8×10-6 using two different methods
Fig. 7. Time consuming of two fitting methods
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Table 1. Concentration inversion results using two different fitting methods
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