G - Physics – 01 – N
Patent
G - Physics
01
N
349/35
G01N 29/00 (2006.01) G01N 29/07 (2006.01) G01N 29/24 (2006.01) G01N 29/34 (2006.01) G01N 29/42 (2006.01)
Patent
CA 1307335
TITLE Frequency Broadband Measurement of the Characteristics of Acoustic Waves INVENTOR Jean-Daniel Aussel ABSTRACT OF THE DISCLOSURE Frequency broadband measurement of the characteristics of acoustic waves propagating in an object is disclosed. A time domain signal processing is described, based on narrow-band filtering of wide-band acoustic wave pulses and cross-corelation which permits to measure both phase and group velocities as a function of frequency.
610849
Aussel Jean-Daniel
National Research Council Of Canada
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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