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Ultrasonic guided wave imaging via sparse reconstruction
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Block-sparse reconstruction and imaging for lamb wave structural health monitoring
A frequently investigated paradigm for monitoring the integrity of plate-like structures is a spatially-distributed array of piezoelectric transducers, with each array element capable of bothExpand
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Guided wave localization of damage via sparse reconstruction
Ultrasonic guided waves are frequently applied for structural health monitoring and nondestructive evaluation of plate-like metallic and composite structures. Spatially distributed arrays of fixedExpand
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BOUNDARY REFLECTION COMPENSATION IN GUIDED WAVE BASELINE‐FREE IMAGING
Guided ultrasonic waves are frequently used for both structural health monitoring and nondestructive testing of metallic plate‐like structures. Signals resulting from waves generated by one or moreExpand
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Acquisition and analysis of angle-beam wavefield data
Angle-beam ultrasonic testing is a common practical technique used for nondestructive evaluation to detect, locate, and characterize a variety of material defects and damage. Greater understanding ofExpand
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Block-sparse Lamb wave structural health monitoring using generic scattering models
A well-known damage detection paradigm is the use of ultrasonic guided waves that are generated and recorded by a spatially-distributed array of piezoelectric transducers. This type of configurationExpand
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Incorporating expected sparsity of damage into ultrasonic guided wave imaging algorithms
Many imaging methods employing ultrasonic guided waves are based upon delay-and-sum algorithms whereby echoes scattered from sites of damage are constructively reinforced after signal addition.Expand