Journal of Sensors / 2017 / Article / Tab 6

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.

NumberNamePoor SNRGood SNR
-meansHierarchical clusteringSpectral clustering-meansHierarchical clusteringSpectral clustering

()2D-TESP93.12%94.22%96.12%94.72%96.12%96.82%
()FFT87.21%87.95%88.45%92.14%92.71%93.25%
()WT89.37%89.79%90.12%92.72%92.99%93.65%
()HHT90.25%90.97%91.85%92.84%93.12%93.89%

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