Research Article
Ship Radiated Noise Recognition Using Resonance-Based Sparse Signal Decomposition
Table 1
Recognition results of real observed signals under different SNRs.
| SNRs
(dB) | The proposed method | The traditional method | | Recognition rate (%) | Average rate (%) | Recognition rate (%) | Average rate (%) | | A | B | C | D | A | B | C | D |
| | 25 | 100% | 100% | 90.0% | 95.0% | 96.3% | 93.7% | 98.7% | 97.5% | 72.5% | 90.6% | | 20 | 100% | 100% | 90.0% | 98.7% | 97.2% | 87.5% | 75.0% | 97.5% | 71.2% | 82.8% | | 15 | 100% | 100% | 92.5% | 96.2% | 97.2% | 85.0% | 72.5% | 96.2% | 80.0% | 83.4% | | 10 | 51.2% | 96.2% | 98.7% | 98.7% | 86.2% | 68.7% | 75.0% | 98.7% | 87.5% | 82.5% | | 5 | 41.2% | 96.2% | 97.5% | 98.7% | 83.4% | 45.0% | 43.7% | 98.7% | 95.0% | 70.6% |
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