Table 2 Tag positioning data and error
From: Tag location method integrating GNSS and RFID technology
No | Total triangles | Ill-conditioned triangles | Calculated coordinate value | Difference | Closing error (m) | ||
|---|---|---|---|---|---|---|---|
(X) | (Y) | (△X) | (△Y) | ||||
1 | 1274 | 418 | 498846.6 | 307259.0 | -0.906 | 3.375 | 3.49569 |
2 | 2653 | 611 | 498849.2 | 307257.6 | 1.718 | 2.001 | 2.63706 |
3 | 1895 | 503 | 498849.1 | 307257.7 | 1.625 | 2.062 | 2.62574 |
4 | 968 | 285 | 498847.0 | 307258.7 | -0.503 | 3.125 | 3.15918 |
5 | 2003 | 583 | 498846.6 | 307259.0 | -0.906 | 3.375 | 3.49455 |
6 | 1632 | 455 | 498849.2 | 307257.6 | 1.718 | 2.004 | 2.63706 |
7 | 3502 | 1303 | 498849.1 | 307257.7 | 1.625 | 2.062 | 2.62574 |
8 | 2838 | 1032 | 498847.0 | 307258.7 | -0.501 | 3.125 | 3.15981 |
9 | 1697 | 477 | 498848.5 | 307254.5 | 1.014 | -1.093 | 1.48198 |
10 | 1435 | 303 | 498854.7 | 307256.9 | 7.218 | 1.281 | 7.33157 |
11 | 2114 | 689 | 498851.6 | 307256.2 | 4.093 | 0.562 | 4.13222 |
12 | 3026 | 827 | 498848.9 | 307254.8 | 1.406 | -0.812 | 1.62409 |
13 | 993 | 266 | 498851.3 | 307256.2 | 3.843 | 0.593 | 4.26685 |
14 | 1064 | 253 | 498849.7 | 307259.2 | 2.254 | 3.625 | 4.26658 |
15 | 2866 | 764 | 498848.2 | 307254.5 | 0.751 | -1.061 | 1.30054 |
16 | 2735 | 930 | 498848.7 | 307254.8 | 1.254 | -0.781 | 1.47472 |
17 | 1343 | 444 | 498850.1 | 307255.3 | 2.593 | -0.312 | 2.61288 |
18 | 1204 | 373 | 498847.8 | 307254.3 | 0.375 | -1.281 | 1.33528 |
19 | 862 | 265 | 498849.1 | 307255.0 | 1.656 | -0.625 | 1.76678 |
20 | 2966 | 1147 | 498851.4 | 307255.4 | 3.937 | -0.156 | 3.94059 |