Fig. 1. Structural diagram of grid linear displacement sensor in single light field

Fig. 2. Principle of light field time grid measurement

Fig. 3. Variation of transparent surface caused by three installation postures （a） schematic of three installation error postures； （b） schematic diagram of area variation caused by assembly error

Fig. 4. Order cycle error diagram of various gestures.

Fig. 5. Schematic diagram of cut area conversion.

Fig. 6. Block diagram of the auxiliary assembly and adjustment system

Fig. 7. Lisayot plots of signals at different phase differences

Fig. 8. Design of experimental system

Fig. 9. Display of the auxiliary assembly system

Fig. 10. Experimental system setup

Fig. 11. Experimental flow diagram

Fig. 12. Output diagram of the auxiliary system without calibration installation

Fig. 13. Images of error and spectral analysis under no calibration mounting

Fig. 14. Diagram of measurement error analysis after the roll Angle calibration

Fig. 15. Single-cycle measurement error at pitch and offset pose