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An H deconvolution filter and its application to ultrasonic nondestructive evaluation of materials

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3 Author(s)
Hanshaw, T.C. ; Sch. of Electr. Eng. & Comput. Sci., Washington State Univ., Pullman, WA, USA ; Anderson, M.J. ; Hsu, C.S.

Deconvolution can be a valuable technique for interpreting results of ultrasonic nondestructive evaluation (NDE) tests of materials. This is especially true for state-of-the-art hybrid materials. In this paper, a new H deconvolution filter is presented. The filter is applied to typical ultrasonic NDE data, including through-transmission data for aluminum and composite samples. The results are compared to those obtained from a Wiener deconvolution filter. The performance of the H filter is as good or better than the performance of the Wiener filter

Published in:

American Control Conference, 1999. Proceedings of the 1999  (Volume:6 )

Date of Conference:

1999