Fig. 1. Simulation of imaging results of high-repetition-rate system. (a) Original image; (b) influence of mean gray level; (c) influence of absolute contrast; (d) influence of noise intensity

Fig. 2. Imaging model

Fig. 3. RCN model of high-repitition-rate system

Fig. 4. Reflectiveluminous flux of Δsm area

Fig. 5. Propogation of laser beam ingated slices with no target

Fig. 6. Scatteringluminous flux of Δsk area

Fig. 7. Images of prototype for different cumulative echo numbers

Fig. 8. Relationship between contrast signal-to-noise ratio and cumulative echo numbers. (a) White stripe average gray; (b) black stripe average gray; (c) noise intensity; (d) RCN

Fig. 9. Relative error of measured values compared with simulation values