Table 3 Estimation errors and execution times of the proposed method and the HT-based estimation technique for each experimental data set.
From: An Entropy-Based Propagation Speed Estimation Method for Near-Field Subsurface Radar Imaging
Experiment/metric | Entropy error | Entropy execution time | HT error | HT execution time |
|---|---|---|---|---|
1 | −2.45 × 107 m/s | 13.1 sec | 3.85 × 107 m/s | 90.1 sec |
2 | −1.15 × 107 m/s | 12.6 sec | 3.06 × 107 m/s | 89.45 sec |
3 | 2 × 105 m/s | 13.3 sec | 3.55 × 107 m/s | 91.6 sec |
4 | 1 × 106 m/s | 15.1 sec | 41.1 × 107 m/s | 90.78 sec |