Fig. 1. Experimental setup of three-dimensional imaging system

Fig. 2. Spectra of SLD and filtered signal

Fig. 3. Time series， autocorrelation curves and spectra of λ₁，λ₂，λ₃ and λ₄

Fig. 4. Cross-correlation curve of adjacent signals

Fig. 5. Object under test and 3D point cloud

Fig. 6. Ranging effect at different interference intensities

Fig. 7. Variation of peak noise-to-signal ratio with interference intensity

Fig. 8. Ranging results of pulse radar and ASE LiDAR under jamming