Research Article
BDS-3 Broadcast Ephemeris Orbit Correction Model Based on Improved PSO Combined with BP Neural Network
Table 5
C38 broadcast ephemeris orbit error-correction table.
| Model | x | y | z | Mean/m | STD/m | RMS/m | Mean/m | STD/m | RMS/m | Mean/m | STD/m | RMS/m |
| Real | 0.519 | 0.627 | 0.623 | 0.480 | 0.572 | 0.567 | 1.206 | 1.390 | 1.380 | BPNN | 0.346 | 0.423 | 0.420 | 0.304 | 0.371 | 0.368 | 0.777 | 0.890 | 0.884 | PSO-BPNN | 0.164 | 0.202 | 0.200 | 0.168 | 0.210 | 0.209 | 0.347 | 0.414 | 0.411 | IPSO-BPNN | 0.139 | 0.182 | 0.180 | 0.126 | 0.151 | 0.150 | 0.304 | 0.361 | 0.358 | LSTM | 0.510 | 0.628 | 0.624 | 0.333 | 0.421 | 0.418 | 1.179 | 1.380 | 1.370 |
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