Research Article
Goaf Site Stability Detection in the Overlap Area of Coal Mining Subsidence and Urban Construction
Table 2
Comparison between observation data and InSAR data.
| No. | Bench mark (mm) | InSAR (mm) | Error (mm) |
| L1 | −1 | −5.19 | 4.19 | L3 | 0 | −6.91 | 6.91 | L8 | −3 | −9.94 | 6.94 | L10 | −5 | −10.21 | 5.21 | L11 | −5 | −11.84 | 6.84 | L12 | −6 | −12.03 | 6.03 | L13 | −11 | −12.30 | 1.3 | L14 | −8 | −13.21 | 5.21 | L15 | −10 | −15.02 | 5.02 | L16 | −14 | −16.82 | 2.82 | n1 | −36 | −40.41 | 4.41 | n3 | −36 | −33.56 | 2.44 | n4 | −27 | −30.11 | 3.11 | n6 | −31 | −33.42 | 2.42 | n8 | −43 | −37.21 | 5.79 | n9 | −32 | −37.33 | 5.33 |
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