Annotation
The operational principle and the structure of an acoustic spectrograph are discussed. The spectrograph is used to measure the frequency dependence of the propagation velocity and absorption of acoustic waves in viscoelastic media in a frequency range from 20 Hz to 20 MHz.
© 2016 Publisher M.V.Lomonosov Moscow State University
Authors
A.N. Astaf'ev, K.N. Baranskii, P.I. Doreuli, A.R. Khokhlov, I.V. Shlyakhov
Department of Polymer and Crystal Physics, Department of Solid-State Physics, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
Department of Polymer and Crystal Physics, Department of Solid-State Physics, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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