Research Article
The Research on Information Representation of Φ-OTDR Distributed Vibration Signals
Table 5
Comparison of correct rates under different SNRs and different coding methods.
| | Number | Name | Poor SNR | Good SNR | | -means | Hierarchical clustering | Spectral clustering | -means | Hierarchical clustering | Spectral clustering |
| | () | -1(29) | 84.76% | 85.97% | 86.72% | 94.16% | 95.97% | 96.32% | | () | -1(13) | 84.67% | 85.21% | 86.34% | 93.87% | 95.21% | 96.14% | | () | -2(29) | 82.31% | 83.41% | 84.91% | 94.01% | 95.41% | 96.41% | | () | -2(13) | 81.74% | 82.92% | 83.34% | 93.74% | 95.12% | 96.34% | | () | | 93.12% | 94.22% | 96.12% | 94.72% | 96.12% | 96.82% |
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