Research Article
A New GPT2w Model Improved by PSO-LSSVM for GNSS High-Precision Positioning
Table 2
Comparison of coordinate accuracy between GPT2w and PSO-LSSVM at selected stations.
| GNSS stations | GPT2w-coordinate RMS (mm) | PSO-LSSVM-coordinate RMS (mm) | Percentage of improvement | | | | | | | | | |
| HKKT | 0.4366 | 0.7504 | 0.3188 | 0.2936 | 0.4117 | 0.1757 | 32.75% | 45.14% | 44.89% | HKOH | 0.3499 | 0.5935 | 0.2735 | 0.2324 | 0.3495 | 0.1483 | 33.58% | 41.11% | 45.78% | HKPC | 0.2678 | 0.5316 | 0.2585 | 0.2216 | 0.3654 | 0.1555 | 17.25% | 31.26% | 39.85% | HKSC | 0.4832 | 0.5391 | 0.2514 | 0.2975 | 0.3768 | 0.1425 | 38.43% | 30.11% | 43.32% | HKSS | 0.2610 | 0.5217 | 0.2543 | 0.2439 | 0.3792 | 0.1917 | 6.55% | 27.31% | 24.62% | HKST | 0.2766 | 0.5170 | 0.2462 | 0.2569 | 0.4627 | 0.2189 | 7.12% | 10.50% | 11.09% |
|
|