Run Zhou, Liang Tang, Ping Li, Xuhui Huang. Density Reconstruction Method for Complex Flow Based on Light Deflection[J]. Acta Optica Sinica, 2022, 42(9): 0901001
- Acta Optica Sinica
- Vol. 42, Issue 9, 0901001 (2022)
Fig. 1. Topological structure of neural network
Fig. 2. Distribution diagram of density function to be reconstructed
Fig. 3. Residual histograms of theoretical values and active terms estimated by different methods. (a) NNMM; (b) DCPD method
Fig. 4. Curve of estimated and theoretical values of active terms varying with x coordinates
Fig. 5. Residual distribution of density reconstruction results and theoretical values. (a) NNMM; (b) DCPD method
Fig. 6. Variation curve of reconstruction result. (a) Variation curve of residual with x coordinate; (b) variation curve of residual
Fig. 7. Video measurement optical path
Fig. 8. Experimental model and measurement area
Fig. 9. Measurement result of deflection angle
Fig. 10. Density reconstruction result of NNMM
Fig. 11. Density reconstruction result of DCPD method. (a) Result; (b) deviation of result from NNMM results
Fig. 12. Density reconstruction result by FEM. (a) Result; (b) deviation of result from NNMM results
Fig. 13. Curve comparison of density reconstruction results under different y values. (a) y=35 mm; (b) y=-10 mm
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