Fig. 1. Structure of a six-light-screen target

Fig. 2. Two typical ideal model of six-light-screen target

Fig. 3. Engineering structure model and screen model of six-screen target

Fig. 4. Light screen tilt angle error model

Fig. 5. Light screen alignment error model

Fig. 6. Projection view of six-light-screen engineering model (double parallel structure)

Fig. 7. Position measurement error caused by target distance error in diffirent impact location

Fig. 8. Velocity measurement error caused by target distance error (ΔS=1 mm)

Fig. 9. Maximum position and velocity measurement error caused by diffirent target distance error

Fig. 10. Maximum position measurement error caused by diffirent target distance(ΔS=1 mm)

Fig. 11. Maximum velocity measurement error caused by diffirent target distance(ΔS=1 mm)

Fig. 12. Position measurement error caused by light-screen tilt angle error in diffirent impact location(Δα=0.05°)

Fig. 13. Velocity measurement error caused by light-screen tilt angle error in diffirent impact location(Δα=0.05°, Δβ=0.05°)

Fig. 14. Maximum position and velocity measurement error caused by diffirent tilt angle error

Fig. 15. Maximum position measurement error caused by diffirent tilt angle(Δα=0.05°, Δβ=0.05°)

Fig. 16. Maximum velocity measurement error caused by diffirent tilt angle(Δα=0.05°, Δβ=0.05°)

Fig. 17. Position measurement error caused by alignment error in diffirent impact location(Δm=1 mm)

Fig. 18. Velocity measurement error caused by alignment error in diffirent impact location(Δm=1 mm)

Fig. 19. Maximum position and velocity measurement error caused by diffirent alignment error

Fig. 20. Measurement error in diffirent impact location(γ=+1°, θ=+1°)

Fig. 21. Measurement error in diffirent impact angle(x₀=0, y₀=0)