Table 1 Raw data and variance-compensated adaptive Kalman data for monitoring site 1.
From: Application of optimized Kalman filtering in target tracking based on improved Gray Wolf algorithm
Phase | Measured value (m) X coordinate Y coordinate | Variance Compensation Adaptive Kalman (m) X coordinate Y coordinate | X offset/mm | Y offset/mm | ||
---|---|---|---|---|---|---|
1 | 514.7998 | 877.4571 | 514.7998 | 877.4571 | 0.00 | 0.00 |
2 | 514.7998 | 877.4559 | 514.7998 | 877.4560 | 0.05 | 0.07 |
3 | 514.7984 | 877.4556 | 514.7986 | 877.4557 | 0.22 | 0.18 |
4 | 514.7979 | 877.4552 | 514.7975 | 877.4555 | −0.34 | 0.26 |
5 | 514.7950 | 877.4530 | 514.7953 | 877.4535 | 0.30 | 0.49 |
6 | 514.7963 | 877.4521 | 514.7967 | 877.4524 | 0.40 | 0.29 |
7 | 514.7952 | 877.4500 | 514.7948 | 877.4496 | −0.43 | −0.34 |
8 | 514.7939 | 877.4502 | 514.7935 | 877.4504 | −0.44 | 0.24 |
9 | 514.7928 | 877.4491 | 514.7932 | 877.4496 | 0.38 | 0.46 |
10 | 514.7909 | 877.4460 | 514.7904 | 877.4459 | −0.46 | −0.11 |