Synchronous Acquisition and Analysis of Ultrasonic Spectral Information for the Characterization of Particle Size Distribution

Figure 7

Particle size distribution with different ultrasonic spectra: (a) attenuation spectra with the pulse-echo method, (b) attenuation spectra with the reference reflection method, (c) attenuation spectra with the through-transmission method, and (d) phase velocity spectra with the reference reflection method.

(a)

(b)

(c)

(d)