Method of compressing data in an ultrasonic pipe-inspection...

Details Method of compressing data in an ultrasonic pipe-inspection... Method of compressing data in an ultrasonic pipe-inspection...

G - Physics

01

N

G01N 29/38 (2006.01) G01N 17/00 (2006.01)

Patent

CA 2125565

The invention concerns a method of compressing data obtained from ultrasonic propagation-time measurements made at a given pulse-repetition rate over a broad surface by an inspection probe which slides through the pipe in order to detect corrosion and other abnormalities in the pipe. The method proposed enables the data-compression factor to considerably increase compared with prior art methods. By taking into careful consideration the particular physical characteristics of the pipe, a high data-compression factor can be achieved during a run and, for the subsequent analysis, reliable reproduction ensured of the actual conditions in the pipe.

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