Research on Monitoring Method of Remote Deformation and System Application Based on Image

Table 3

Experimental table comparing the accuracy of the L1 target in the vertical direction.

Serial number	Monitoring time	Target reading	S1 (mm)	S2 (mm)	S3 (mm)	P1 (mm)	P2 (mm)
1	14 : 47	0.0	—	—	—	—	—
2	14 : 49	3.5	3.5	3.7	3.5	0.2	0.0
3	14 : 51	8.4	8.4	8.6	8.4	0.2	0.0
4	14 : 53	11.8	11.8	11.7	11.7	−0.1	−0.1
5	14 : 55	18.4	18.4	18.5	18.3	0.1	−0.1
6	14 : 56	34.0	34.0	33.9	34.0	−0.1	0.0
7	15 : 03	12.5	12.5	12.6	12.4	0.1	−0.1
8	15 : 05	6.3	6.3	6.5	6.3	0.2	0.0
9	15 : 07	15.4	15.4	15.3	15.3	−0.1	−0.1
10	15 : 09	22.5	22.5	22.8	22.4	0.3	−0.1
11	15 : 11	28.7	28.7	28.8	28.7	0.1	0.0
12	15 : 12	22.4	22.4	22.6	22.6	0.2	0.2
13	15 : 13	31.5	31.5	31.4	31.4	−0.1	−0.1
14	15 : 14	36.4	36.4	36.3	36.4	−0.1	0.0
15	15 : 16	24.0	24.0	24.1	24.0	0.1	0.0
16	15 : 17	16.5	16.5	16.4	16.6	−0.1	0.1
Average deviation						0.14	0.06