Time delay and phase shift measurements for ultrasonic pulses using autocorrelation methods.

Autor: Cutard, Thierry, Fargeot, Dominique, Gault, Christian, Huger, Marc
Předmět:
Zdroj: Journal of Applied Physics; 2/15/1994, Vol. 75 Issue 4, p1909, 5p
Abstrakt: Presents a study that examined the mathematical methods used for time and/or phase shift measurements. Description of a method based on an analysis of the analytic signal of the autocorrelation function; Determination of the ultrasonic velocity in pulse-echo techniques; Schematic representation of the ultrasonic system used for the modulus determination at high temperature in ceramic materials.
Databáze: Complementary Index