Fig. 1. Indications of UV curing

Fig. 2. Schematic diagram of the coating signal acquisition

Fig. 3. Schematic diagram of excitation and emission

Fig. 4. Assemble parts of light and detector

Fig. 5. Schematic diagram of detecting experiment

Fig. 6. Trend diagram of coated and uncoated sample data

Fig. 7. Diagram of array laser

Fig. 8. Diagram of array detector

Fig. 9. Schematic diagram of constant current source driving light source

Fig. 10. Schematic diagram of signal amplification

Fig. 11. Schematic diagram of A/D conversion and FPGA

Fig. 12. Schematic diagram of A/D conversion

Fig. 13. Schematic diagram of LVDS output

Fig. 14. Coating detecting sensor

Fig. 15. Data processment in PXIe

Fig. 16. Schematic diagram of data processing flow

Fig. 17. Schematic diagram of pulse peak algorithm

Fig. 18. Data flow of handling

Fig. 19. Schematic diagram of time at each point

Fig. 20. Real-time monitorng results

Fig. 21. Schematic diagram of banknotes in motion

Fig. 22. Diagram of coating detection sensor in machine

Fig. 23. Schematic diagram of the uncoated and coated 20 yuan

Fig. 24. Signals of the coated and uncoated

Fig. 25. Multi-areas Signals of the coated and uncoated in 20 yuan

Fig. 26. Interval time between start-stop after adjusted