Fig. 1. Measurement principle of wMPS transmitter. (a) Principle of angle measurement; (b) influence of surface deformation on measurement accuracy

Fig. 2. Principle of scanning light surface evaluation

Fig. 3. Error caused by non-coincidence of origin in z-axis direction. (a) Pitch angle is 0°; (b) pitch angle is negative; (c) pitch angle is positive

Fig. 4. Experimental scene of scanning light surface evaluation

Fig. 5. Scanning light surface evaluation results. (a) Evaluation distance is 5 m; (b) evaluation distance is 10 m; (c) evaluation distance is 15 m

Fig. 6. Partition plane model diagram

Fig. 7. Sketch map of high precision coordinate field

Fig. 8. Experimental scene of internal parameter model establishment

Fig. 9. Fitting residual comparison. (a) Surface 1; (b) surface 2

Fig. 10. Coordinate measurement error comparison experiment. (a) Point distribution; (b) experimental results