Research Article

Possible Patient Early Diagnosis by Ultrasonic Noninvasive Estimation of Thermal Gradients into Tissues Based on Spectral Changes Modeling

Figure 1

(a) Simple simulated multiecho signal based on the mathematical model of regularly spaced scatters, for the case of clearly separated echoes. (b) Acquired echosignal from an experimental phantom with 4 layers of glass microspheres. An ultrasonic transducer with frequency  MHz was used.
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(a)
275405.fig.001b
(b)