Underground conduit defect localization

Details Underground conduit defect localization Underground conduit defect localization

G - Physics

01

M

G01M 3/24 (2006.01) G01F 1/66 (2006.01) G01P 13/00 (2006.01) G01P 13/02 (2006.01) G01R 31/08 (2006.01)

Patent

CA 2158669

A method of locating a defect in a buried conduit by sensing vibrations generated at the defect, processing signals detected by sensors to generate a cross-correlation function, smoothing this function to obtain a peak, calculating a center velocity of acoustic energy propagation, and using the center velocity of acoustic energy propagation to calculate the location of the defect.

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