Vol. 67, No. 5, 2021

Acoustical Physics

Nonlinear Acoustics

Strain Waves in Nonlinear Coaxial Shells Filled with a Viscous Incompressible Fluid

L. I. Mogilevich, Yu. A. Blinkov, and S. V. Ivanov p. 443 abstract

Physical Acoustics

Resonance Air Noise Absorber

L. I. Kazakov p. 451 abstract

Numerical Study of S0 Lamb Mode Resonator based on c-BN/AlN for 5G Operating Acoustic Devices

M. Mebarki, F. Laidoudi, and F. Boubenider p. 457 abstract

Conversion of Thermooptically Excited Broadband Pulses of Longitudinal Acoustic Waves into Pulses of Shear Waves in an Isotropic Solid Plate in a Liquid

N. B. Podymova and A. A. Karabutov p. 465 abstract

Ocean Acoustics. Hydroacoustics

Amplitude and Phase Structure of a Low-Frequency Hydroacoustic Field in the Deep Ocean

S. P. Aksenov and G. N. Kuznetsov p. 474 abstract

Influence of Bottom Irregularities on Caustic Beam Propagation in Oceanic Waveguides

Yu. V. Petukhov and E. L. Borodina p. 486 abstract

Multiple Scattering of Ocean Noise by Wind Waves in Shallow Water

M. A. Raevskii and V. G. Burdukovskaya p. 494 abstract

Predicting Effective Propagation Velocities of Acoustic Signals using an Ocean Circulation Model

M. A. Sorokin, P. S. Petrov, D. D. Kaplunenko, A. A. Golov, and Yu. N. Morgunov p. 501 abstract

A Program based on the Wide-Angle Mode Parabolic Equations Method for Computing Acoustic Fields in Shallow Water

A. G. Tyshchenko, O. S. Zaikin, M. A. Sorokin, and P. S. Petrov p. 512 abstract

Atmospheric and Aeroacoustics

Directivity Pattern of Low-Frequency Atmospheric Sound Excited by Sources in Water

A. V. Lebedev p. 520 abstract

Acoustic Ecology. Noise and Vibration

Identification of Incipient Defects in New Ship Machinery Units During Adaptive Vibration Diagnostics Based on Multidimensional Features

V. S. Davydov and D. V. Steblyanko p. 528 abstract

Room Acoustics. Musical Acoustics

Experiments on Multiple-point Room Equalization Applied to Medium-sized Enclosed Spaces

C. A. Fărcaș, E. Szopos, I. Sărăcuț, M. Neag, and M. D. Țopa p. 537 abstract

Acoustics of Living Systems. Biomedical Acoustics

Resolution of Rippled Spectra at Various Center Frequencies and Bandwidths of Sound Stimuli

O. N. Milekhina, D. I. Nechaev, M. S. Tomozova, and A. Ya. Supin p. 553 abstract

Sonography of the Heart of Weatherfish Misgurnus fossilis at the Prelarval Stage of Development

S. A. Titov, A. B. Burlakov, and A. N. Bogachenkov p. 562 abstract

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