Tissue Characterization by Ultrasonic Pulse Spectroscopy
The acoustic properties of biological tissues showed a characteristic dependence on their specific structure. Ultrasonic diagnosis in A- and B-mode techniques used the information from reflected and backscattered signals of pulsed ultrasonic waves. But more comprehensive signal processing allowed us to get more accurate information concerning tissue structures. These new attempts use techniques, e.g. impedography, time of flight tomography, computerized ultrasonic tomography, and spectrum analysis (1,2,3,4).
KeywordsAcoustic Property Tissue Characterization Ultrasonic Attenuation Ultrasonic Diagnosis Ultrasonic Spectroscopy
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