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Yi-Feng Zhang

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Sep 2026

Ultrasonic Frequency-Domain Reverse-Time Migration Imaging Incorporating Element Directivity Correction

The finite width of ultrasonic array elements results in a non-uniform angular radiation pattern of elastic waves in solids, deviating from the ideal point-source assumption commonly adopted in reverse-time migration (RTM). This angular radiation non-uniformity produces a crack tip-dominated imaging amplitude with weak...

Si Chen, Yi-Feng Zhang, Teng-Fei Ma et al. · 0 citations

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