Research Article
Propagation Mechanism Modeling in the Near-Region of Arbitrary Cross-Sectional Tunnels
Table 1
Comparisons of the dividing point between the model, and the measurements inside rectangular circular, and arched tunnels.
| Tunnel | Frequency | Measured | Theoretical | (GHz) | result | prediction |
| Railway tunnel in Spain [1] | 0.9 | 30–35 m | 30.86 m | Vehicle tunnel in France [21] | 0.45 | 35–40 m | 37.88 m | Vehicle tunnel in France [21] | 0.9 | 70–75 m | 75.76 m | Pedestrian tunnel in Europe [12] | 0.4 | 15 m | 13.65 m | Road tunnel Austria-Slovenia [12] | 0.4 | 15 m | 15.41 m |
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