Fig. 1. Structure block diagram of rapid afterglow time test system for fluorescent screen

Fig. 2. Physical drawing of rapid afterglow time test system for fluorescent screen

Fig. 3. Physical drawing of rapid afterglow time inner structure of camera obscura

Fig. 4. Structure block diagram of luminance test module

Fig. 5. Hardware physical drawing of luminance test module

Fig. 6. Program interface of rapid afterglow time test system for fluorescent screen

Fig. 7. Iteration diagram of Kalman filtering algorithm

Fig. 8. Schematic diagram of Kalman filter with different parameter values

Fig. 9. Flow chart of fast finding jump edge algorithm based on downsampling

Fig. 10. Afterglow curve of light source under empty-tube conditions

Fig. 11. Schematic diagram of afterglow curve of fluorescent screen

Fig. 12. Schematic diagram of luminance curves of fluorescent screen under different gain voltages

Fig. 13. Schematic diagram of luminance curves of fluorescent screen under different light source intensities