Research Article
The Research on Information Representation of Φ-OTDR Distributed Vibration Signals
Table 6
Comparison of correct rates under different SNRs and different methods.
| | Number | Name | Poor SNR | Good SNR | | -means | Hierarchical clustering | Spectral clustering | -means | Hierarchical clustering | Spectral clustering |
| | () | 2D-TESP | 93.12% | 94.22% | 96.12% | 94.72% | 96.12% | 96.82% | | () | FFT | 87.21% | 87.95% | 88.45% | 92.14% | 92.71% | 93.25% | | () | WT | 89.37% | 89.79% | 90.12% | 92.72% | 92.99% | 93.65% | | () | HHT | 90.25% | 90.97% | 91.85% | 92.84% | 93.12% | 93.89% |
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