Fig. 1. (Color online) (a) Theory prediction of range error on different code lengths. (b) Theory prediction of the range error on different FWHMs. (c) Contrast of theory prediction and Monte Carlo simulation with different code lengths.

Fig. 2. Systematic schematic diagram showing the key components of the PSSPCS. PC, personal computer.

Fig. 3. (a) PSSPCS: (b) photograph of the assembled system.

Fig. 4. One-hundred points intercepted from the correlation TOF histogram at a 99.5%, 50%, 20%, and 12% counting ratio, respectively, using circular correlation with a 0.001 s dwell time and a 400 ps resolution.

Fig. 5. Implementation of the correction algorithm.