Ultrasonic diagnostic device

Details Ultrasonic diagnostic device Ultrasonic diagnostic device

G - Physics

01

S

349/35

G01S 15/02 (2006.01) G01H 3/00 (2006.01) G01H 5/00 (2006.01) G01S 7/52 (2006.01) G01S 15/89 (2006.01)

Patent

CA 1226663

ABSTRACT OF THE DISCLOSURE The ultrasonic diagnostic device in accordance with the present invention is adapted to detect the phase shift of the re- ceived signal of an ultrasonic wave transmitted by an ultrasonic transducer and reflected by an object to find the hologram signal for the object, and to obtain the reconstructed data for the ob- ject by carrying out the synthetic aperture operation by using the hologram signal and a kernel signal, and furthermore, it is arranged to detect the variations in the maximum amplitude value of the reconstructed result by varying the kernel signal relative to the hologram signal of the object, and to find the velocity of the ultrasonic wave from the kernel signal that gives rise to the largest maximum value of the amplitude.

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