Vol. 67, No. 4, 2021

Acoustical Physics

Classical Problems of Linear Acoustics and Wave Theory

Plane Wave Diffraction by a Strongly Elongated Three-Axis Ellipsoid

I. V. Andronov and N. I. Andronov p. 341 abstract

Konenkov’s Edge Bending Waves in Isotropically Laminated and FGM Plates

D. D. Zakharov p. 351 abstract

Determination of the Elastic Properties of a Solid Sphere Based on the Results of Acoustic Beam Scattering

L. M. Kotelnikova, D. A. Nikolaev, S. A. Tsysar, and O. A. Sapozhnikov p. 360 abstract

Nonlinear Acoustics

A Study of the Elastic Properties of the Polymer PLA by Static and Ultrasonic Methods

A. I. Korobov, A. I. Kokshaiskii, E. S. Mikhalev, N. I. Odina, and N. V. Shirgina p. 375 abstract

Ocean Acoustics. Hydroacoustics

Comparative Analysis of the Noise Immunity of Algorithms for Reconstructing Seabed Geoacoustic Parameters by the Coherent Sounding Technique

V. I. Kalinina, I. P. Smirnov, A. I. Khilko, and A. I. Malekhanov p. 381 abstract

Application of the Discrete Variable Representation Approach to Formation of Amplitude–Phase Field Distributions on a Vertical Array in a Waveguide

D. V. Makarov p. 397 abstract

Atmospheric and Aeroacoustics

Control of Instability Waves in an Unexcited Turbulent Jet Using Plasma Actuators in a Narrow Frequency Band

V. F. Kopiev, O. P. Bychkov, V. A. Kopiev, G. A. Faranosov, I. A. Moralev, and P. N. Kazansky p. 413 abstract

Physical Foundations of Technical Acoustics

Equations for Calculating the Amplitude–Frequency and Phase–Frequency Responses of a Tripole-Type Vector–Scalar Receiver with a Time Delay of a Monopole Signal

G. N. Kuznetsov, A. A. Pudovkin, and A. O. Subbotkin p. 421 abstract

Acoustics of Living Systems. Biomedical Acoustics

Registration of Human Respiration Signals from Temporal Regions of the Head

V. I. Mirgorodskii, V. V. Gerasimov, A. V. Gerus, S. V. Peshin, and S. M. Zhuchkova p. 430 abstract

Acoustics of Living Systems. Biological Acoustics

Analysis of the Harmonics of Wheezing Sounds in Human Forced Exhalation Noise

M. A. Safronova, A. D. Shiryaev, and V. I. Korenbaum p. 433 abstract

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