Research Article
Weighed Nonlinear Hybrid Neural Networks in Underground Rescue Mission
Table 1
Common rocks found in typical mines in relation to hardness or softness.
| Nonlinear mapping | Mica | Coal | Granite | Feldspar | Quartz | Mineral |
| Softness | 0.70 | 0.80 | 0.83 | 0.86 | 0.875 | 0.90 | Hardness | 2 | 3 | 5 | 6 | 7 | 9 | Distance | 750 m | 470 m | 390 m | 315 m | 278 | 78 m |
|
|