Fig. 1. Comparison after algorithm improvement. (a) Detector output signal, detector output superimposed signal, and ideal echo signal; (b) correlation coefficient

Fig. 2. Experimental setup for double Gaussian wide-pulse single-photon ranging

Fig. 3. Time jitter of the light source and ranging system. (a) Calibration results for light source; (b) timing jitter of ranging system

Fig. 4. Comparison of two algorithms for different number of pulses

Fig. 5. Comparison of two algorithms at different echo rates

Fig. 6. Comparison of two algorithms at different resolutions