Research Article
An Adaptability Analysis of the Space-Vehicle Traffic State Estimation Model for Sparsely Distributed Observation Environment
Table 4
Result of scenarios with different observation distance intervals.
| Scenario | Observation interval (m) | Number of observers | Density of observers per km | RMSE (km/h) | MAE (km/h) | MAPE (%) |
| CASE B-1 | 500 | 12 | 2.18 | 6.73 | 2.46 | 4.19 | CASE B-2 | 1000 | 7 | 1.27 | 15.96 | 3.99 | 6.80 | CASE B-3 | 1500 | 5 | 0.91 | 35.89 | 5.80 | 9.57 | CASE B-4 | 2000 | 4 | 0.73 | 49.21 | 6.77 | 10.85 |
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