Three dimensional Born and Kirchhoff inverse scattering methods are modified to convenient forms for a cylindrical specimen that includes three dimensional defects. The measurement area in the modified methods is restricted in the plane perpendicular to the axis of cylindrical specimen. The modified methods are applied to the cement paste specimen with an egg‐shaped defect and the performance of the modified methods is confirmed.
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© 2003 American Institute of Physics.
2003
American Institute of Physics
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