Research Article
Optical Estimation on Pollution Level of Respirable Dust Based on Infrared Transmitting Behavior in Coalmine Fully Mechanized Working Face
Table 6
The comparison of field data and retrieved data.
| Height/m | Equivalent dust concentration/(g/m3) | Field data | Retrieved data | Relative error |
| 0.5 | 0.583638 | 0.619065 | 0.060700756 | 1.5 | 0.626850 | 0.677079 | 0.080129348 | 2.5 | 0.410757 | 0.443890 | 0.080663723 |
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