Method for removal of random noise in eddy-current testing syste

Details Method for removal of random noise in eddy-current testing syste Method for removal of random noise in eddy-current testing syste

1993-05-10

1995-06-13

O'Shea, Sandra L.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

324238, 324240, G01N 2790, G01R 3312, G01R 3310

Patent

active

054246407

ABSTRACT:
Eddy-current response voltages, generated during inspection of metallic structures for anomalies, are often replete with noise. Therefore, analysis of the inspection data and results is difficult or near impossible, resulting in inconsistent or unreliable evaluation of the structure. This invention processes the eddy-current response voltage, removing the effect of random noise, to allow proper identification of anomalies within and associated with the structure.

REFERENCES:
patent: 4628260 (1986-12-01), Kimoto et al.
patent: 4763274 (1988-08-01), Junker et al.
patent: 4806863 (1989-02-01), White
Fundamentals Of Eddy Current Testing, by D. J. Hagemaier; Publisher: The American Society for Nondestructive Testing, Inc.; (No Month) 1990.

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