Hidden corrosion detection using laser ultrasonic guided waves with multi-frequency local wavenumber estimation
Tianfang Gao, Hu Sun, Yongqiang Hong, Xinlin Qing
Topics & Concepts
WavenumberCorrosionMaterials scienceUltrasonic sensorFrequency domainAcousticsFast Fourier transformGuided wave testingOpticsWavelengthComputer scienceComposite materialPhysicsAlgorithmOptoelectronicsComputer visionUltrasonics and Acoustic Wave PropagationNon-Destructive Testing TechniquesThermography and Photoacoustic Techniques