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Damage localisation for BVID on the CFRP panel at (a) 300 kHz and (b) 50 kHz. Damage current and baseline signal recorded under vibration. For (b), 50 kHz only using transducer paths that do not cross a fixture clamp. (a) Three hundred kilohertz, four transducers; (b) 50 kHz, three transducers.
