Method for characterizing the structure of a medium and device f

Details Method for characterizing the structure of a medium and device f Method for characterizing the structure of a medium and device f

1984-12-14

1986-10-28

Howell, Kyle L.

Surgery

Truss

Pad

73602, A61B 1000

Patent

active

046192670

ABSTRACT:
The invention relates to a method for characterizing the structure of a medium in which the ultrasonic absorption coefficient of the medium is measured. In order to perform a spectral analysis of this absorption, the spectrum of the signal reflected after it has been transmitted is evaluated by means of an autocorrelation method. Application: medical practice.

REFERENCES:
patent: 4389893 (1983-06-01), Ophir et al.
patent: 4452082 (1984-06-01), Miwa
Alta Frequenza, vol. 44, No. 8, Aug. 1975, pp. 462-468, Milano (IT); C. Braccini et al.: "Variance Properties . . . ".
Review Scientific Instruments, vol. 46, No. 3, Mar. 1975, pp. 269-277, New York (U.S.A.); Z. Kam et al.: "Simple Schemes . . . ".
Journal of Physics E.; Scientific Instruments, vol. 8, No. 3, Mar. 1975, pp. 206-208, London (GB); Ichiro Tai et al.: "A Real Time Correlator . . . ".

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