Journal of Sensors / 2017 / Article / Tab 5

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.

NumberNamePoor SNRGood SNR
-meansHierarchical clusteringSpectral clustering-meansHierarchical clusteringSpectral 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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