Possible Patient Early Diagnosis by Ultrasonic Noninvasive Estimation of Thermal Gradients into Tissues Based on Spectral Changes Modeling
Figure 5
(a) Zoom of 43rd harmonic peak displacement obtained from PSD calculations of multiecho signals simulated for increments of 0.08°C. (b) 43rd harmonic peak values versus temperature elevation (from 30°C to 30.6°C) for a given constant increment of 0.08°C.
