Table 8 Classification results for the spectrogram (‘No Mask’) and masked spectrogram data domains, with radar features and different threshold values.
% | A1 | A2 | A3 | A4 | A5 | A6 | Avg |
|---|---|---|---|---|---|---|---|
No mask | 94.0 | 80.2 | 82.4 | 63.6 | 73.7 | 87.9 | 80.3 |
T − 10 | 100 | 87.1 | 86.3 | 61.2 | 70.8 | 93.1 | 83.1 |
T − 5 | 100 | 89.3 | 87.9 | 62.6 | 72.1 | 92.4 | 84.1 |
T | 100 | 91.3 | 89.2 | 63.9 | 75.5 | 94.4 | 85.7 |
T + 5 | 100 | 89.6 | 88.4 | 62.1 | 71.8 | 94.4 | 84.4 |
T + 10 | 100 | 88.0 | 87.7 | 61.5 | 70.3 | 93.9 | 83.6 |
T + 15 | 99.7 | 87.1 | 86.3 | 63.0 | 69.6 | 92.4 | 83.0 |
T + 20 | 99.7 | 86.7 | 85.6 | 64.4 | 67.9 | 91.7 | 82.6 |
Avg | 99.9 | 88.4 | 87.3 | 61.7 | 71.1 | 93.2 |