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The seismic camera method for water leak pinpointing
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DOI：10.1016/j.apacoust.2026.111486.png)
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Abstract
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• A non-invasive Seismic Camera Method (SCM) is proposed for buried pipe leak pinpointing. • SCM uses beamforming on a mobile ground sensor array to iteratively guide localisation. • Simulations and rig tests show SCM tolerates wave-speed uncertainty and reaches the leak. • Frequency summing suppresses grating lobes and stabilises direction-of-arrival estimates. • Depth averaging in this study gives only marginal refinement beyond frequency summing.
Keywords:
Beamforming
Array signal processing
Seismic analysis
Water leak
Pinpointing
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