Wave equation-based imaging of mode converted waves in ultrasonic NDI, with suppressed leakage from nonmode converted waves

@article{portzgen2008WaveEI,
  title={Wave equation-based imaging of mode converted waves in ultrasonic NDI, with suppressed leakage from nonmode converted waves},
  author={niels. portzgen and Dries Gisolf and Dirk Jacob Verschuur},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
  year={2008},
  volume={55}
}
The value of imaging techniques in ultrasonic nondestructive inspection (NDI) to find and characterize defects in steel components has already been demonstrated. The imaging techniques based on the integral representation of the wave equation, the Rayleigh integrals for wave field extrapolation, are becoming feasible and attractive due to advances in array technology and due to faster computers. Known implementations are the total focusing method (TFM), the synthetic aperture focusing method… CONTINUE READING

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