Vol. 66, No. 6, 2020

Acoustical Physics

Classical Problems of Linear Acoustics and Wave Theory

Approximation of the Spatial Spectrum of Nonlinear Beams with the Axis Inclined to the Emitting Surface

V. A. Gusev p. 565 abstract

Mode Matching Analysis of Sound Waves in an Infinite Pipe with Perforated Screen

B. Tiryakioglu p. 580 abstract

Nonlinear Acoustics

Moving Object: Spectra of Signals of Passive, Active Location and Transient Radiation

O. V. Rudenko and V. A. Gusev p. 587 abstract

Physical Acoustics

Quality Factor of Inhomogeneous Plane Waves

José M. Carcione, Xu Liu, Stewart Greenhalgh, Marco A. B. Botelho and Jing Ba p. 598 abstract

Propagation of Leaky Interface Waves at a Solid Boundary under Pulse Excitation

Ming-hang Li and Bing Li p. 604 abstract

Low-Frequency Shear Elasticity of a Colloid Nanosuspension

D. N. Makarova, T. S. Dembelova and B. B. Badmaev p. 613 abstract

Ocean Acoustics. Hydroacoustics

On Adiabatic Sound Propagation in a Shallow Sea with a Circular Underwater Canyon

M. S. Kazak and P. S. Petrov p. 616 abstract

Atmospheric and Aeroacoustics

Study of the Possibility Of Replacing an Integrated Airframe with a Flat Polygonal Screen to Estimate The Efficiency of Noise Screening of Engines Using Geometric Diffraction Theory

S. L. Denisov, N. N. Ostrikov and I. V. Pankratov p. 624 abstract

Recording the Frequency Spectrum of Near-Wall Turbulent Pressures on an Acoustic Noise Background

E. B. Kudashev and L. R. Yablonik p. 633 abstract

How the Approach to Simulating Turbulence Influences the Accuracy of Predicting the Noise Level of a Bypass Turbojet Engine Fan

K. R. Pyatunin, N. V. Arkharova and A. E. Remizov p. 639 abstract

Acoustics of Structurally Heterogeneous Solid Media. Geological Acoustics

Variations in P-wave Travel Times Based on a Digital Seismogram Dataset

K. S. Nepeina and V. A. An p. 647 abstract

Analysis of the Seismic Moment Tensor of Acoustic Emission: Granite Fracture Micromechanisms During Three-Point Bending

I. A. Panteleev p. 653 abstract

On the Dynamics of Harmonic Filtration Waves in a Hydraulic Fracture Perpendicular to the Wellbore

V. Sh. Shagapov, E. P. Anosova and Z. M. Nagaeva p. 666 abstract

Acoustic Signals Processing. Computer Simulation

Experimental Verification of the Efficiency of Nonlinear Processing using Impulse Noise Suppression for a Sonar Station for Detecting Small-Sized Objects

V. N. Drachenko and A. N. Mikhnyuk p. 671 abstract

Theoretical and Experimental Studies of the Correlation Characteristics of Signals Reflected by a Rotating Propeller

A. I. Korolkov, K. S. Knyazeva and A. S. Shurup p. 676 abstract

Acoustics of Living Systems. Biological Acoustics

Combined Use of Passive Acoustic and Infrared Thermometry for Monitoring Uhf Heating

A. A. Anosov, A. V. Erofeeev, K. Yu. Peshkova, M. I. Shcherbakov, R. V. Belyaev and A. D. Mansfel’d p. 683 abstract

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