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

<table>(a) 13 harmonic peak value changes for signals numerically simulated at 30°C and with different levels of SNR. (b) 15 harmonic peak value changes for signals simulated at 30°C and with different levels of SNR.</table>

Computational and Mathematical Methods in Medicine

fig7

Figure 7

Figure 7: Possible Patient Early Diagnosis by Ultrasonic Noninvasive Estimation of Thermal Gradients into Tissues Based on Spectral Changes Modeling 