Table 2 Raw data and variance-compensated adaptive Kalman data for monitoring site 2.
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 | 512.0429 | 877.0389 | 512.0429 | 877.0389 | 0.00 | 0.00 |
2 | 512.0430 | 877.0376 | 512.0430 | 877.0377 | 0.06 | 0.07 |
3 | 512.0411 | 877.0377 | 512.0414 | 877.0374 | 0.27 | −0.27 |
4 | 512.0392 | 877.0357 | 512.0391 | 877.0360 | −0.13 | 0.24 |
5 | 512.0377 | 877.0350 | 512.0375 | 877.0351 | −0.22 | 0.06 |
6 | 512.0406 | 877.0342 | 512.0402 | 877.0347 | −0.42 | 0.46 |
7 | 512.0368 | 877.0333 | 512.0369 | 877.0330 | 0.08 | −0.26 |
8 | 512.0358 | 877.0324 | 512.0358 | 877.0324 | −0.06 | 0.06 |
9 | 512.0337 | 877.0325 | 512.0339 | 877.0322 | 0.24 | −0.32 |
10 | 512.0330 | 877.0303 | 512.0334 | 877.0307 | 0.49 | 0.40 |