Research on Multipoint Leak Location of Gas Pipeline Based on Variational Mode Decomposition and Relative Entropy

<div>Estimated upstream and downstream leakage signals diagram: (a) upstream no. 1 sensor leakage noise reduction signal diagram and (b) downstream no. 2 sensor leakage noise reduction signal diagram.</div>

Shock and Vibration

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Figure 9

Figure 9: Research on Multipoint Leak Location of Gas Pipeline Based on Variational Mode Decomposition and Relative Entropy 