From: An Entropy-Based Propagation Speed Estimation Method for Near-Field Subsurface Radar Imaging
Material | Propagation speed |
---|---|
Canola oil | 1.3416 × 108 m/s |
Fatty breast tissue | 7.071 × 107−1.732 × 108 m/s |
Wood (Dry) | 1.895 × 108 m/s |
Wood (10.8% moisture) | 1.603 × 108 m/s |