Research Article
Predicting Spacecraft Telemetry Data by Using Grey–Markov Model with Sliding Window and Particle Swarm Optimization
Table 1
Comparison of different prediction models.
| Prediction models | MAE | MSE | MAPE | MAE | MSE | MAPE | MAE | MSE | MAPE | MAE | MSE | MAPE | MAE | MSE | MAPE | MAE | MSE | MAPE | Window size 1 | Window size 2 | Window size 3 | Window size 4 | Window size 5 | Window size 6 |
| GM (1,1) | 0.28 | 0.22 | 2.22% | 0.41 | 0.49 | 3.28% | 0.52 | 0.76 | 4.07% | 0.78 | 1.56 | 5.99% | 0.96 | 2.53 | 7.38% | 1.56 | 5.97 | 11.76% | GMSW | 0.24 | 0.17 | 1.94% | 0.37 | 0.37 | 2.91% | 0.50 | 0.73 | 3.94% | 0.75 | 1.48 | 5.72% | 0.93 | 2.41 | 7.16% | 1.55 | 5.95 | 11.73% | PGMSW | 0.21 | 0.14 | 1.75% | 0.30 | 0.32 | 2.46% | 0.45 | 0.69 | 3.63% | 0.50 | 0.78 | 3.98% | 0.83 | 1.81 | 6.48% | 1.07 | 3.94 | 8.35% |
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