Fig. 1. Structure diagram of large-area triangular detection light screen with original reflection

Fig. 2. Schematic diagram of light intensity propagation of detection light screen

Fig. 3. Change curves of four impact factors

Fig. 4. Change curve of light intensity Iˊ₀ projected onto reflective film converging at lens

Fig. 5. Schematic diagram of selection of feature line segment for detection light screen

Fig. 6. Sensitivity change curve on feature line segments

Fig. 7. Sensitivity δ´ airspace distribution of detection light screen

Fig. 8. Sensitivity δ´ distribution in main firing area

Fig. 9. Normalized numerical curve on AAʹ

Fig. 10. Normalized numerical curve onBBʹ

Fig. 11. Schematic diagram of firing test point in main firing area

Fig. 12. Test results in main firing area