Method of and device for determining the time-of- flight of...

Details Method of and device for determining the time-of- flight of... Method of and device for determining the time-of- flight of...

G - Physics

01

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349/35

G01S 7/52 (2006.01) A61B 8/08 (2006.01) A61B 8/14 (2006.01) G01H 5/00 (2006.01) G01S 15/89 (2006.01)

Patent

CA 1218742

PHD 82.127 -24- 13.10.1983 ABSTRACT : "Method of and device for determining the time-of-flight of an ultrasonic pulse". For the correction of the time-of-flight of an ultrasonic signal, the measurement signal (s) produced by an ultrasonic transducer (3) is digitized, stored and compared with a reference signal (s ). The comparison is performed by way of different relative shifts between the measurement signal and the reference signal. The value of the shift where both signals correspond best is used for the correction.

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