Fig. 1. Schematic of optical plane scanning

Fig. 2. Schematic of scanning time with delay

Fig. 3. Comparison of actual position and calculated position of receiver

Fig. 4. Schematic of synchronous optical circuit

Fig. 5. Schematic of delay trigger circuit

Fig. 6. Simulation waveforms of delay trigger circuit

Fig. 7. Flowchart of compensation algorithm

Fig. 8. Simulation waveforms of compensation algorithm

Fig. 9. Simulation waveforms with change of rotation speed

Fig. 10. Experimental scene. (a) Transmitting station measuring receiver; (b) oscilloscope measuring signal delay

Fig. 11. Comparison of measured time and theoretical time under different delays. (a) Plane 1; (b) plane 2

Fig. 12. Synchronous signal delay before and after compensation. (a) Before compensation ; (b) after compensation