Research Article
Synchronous Acquisition and Analysis of Ultrasonic Spectral Information for the Characterization of Particle Size Distribution
Figure 6
Ultrasonic spectra obtained by different measurement methods: (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) |