Vol. 72, No. 2, 2026

Acoustical Physics

CLASSIC PROBLEMS OF LINEAR ACOUSTICS AND WAVE THEORY

Physical Realization of a Perfectly Matched Layer (PML) at the Open End of a Waveguide and a Dispersionless Interference PML Antenna

A. O. Subbotkin and A. V. Shanin p. 137 abstract

PHYSICAL ACOUSTICS

Pulse-Echo Measurement of Frequency-Dependent Phase Velocities and Absorption of Longitudinal and Shear Waves in Solid Plates

L. M. Kotelnikova, S. A. Asfandiyarov, S. A. Tsysar, and O. A. Sapozhnikov p. 141 abstract

OCEAN ACOUSTICS. HYDROACOUSTICS

Estimation of the Horizontal Directivity Pattern of a Seismic Source Based on Spatial Measurements on the Shelf

D. S. Manulchev, V. E. Nechayuk, and A. N. Rutenko p. 157 abstract

Algorithms for Suppressing Noise from Local Interference Sources in Sonar Active Mode

A. I. Mashoshin and V. S. Mel’kanovich p. 172 abstract

Acoustic Distance Measurement in the Kara Sea in the Presence of Large-Amplitude Nonlinear Internal Waves

V. G. Petnikov, Yu. V. Nazarenko, D. D. Sidorov, and A. A. Lunkov p. 184 abstract

ATMOSPHERIC AND AEROACOUSTICS

An Efficient Algorithm for Constructing Discontinuous Solutions to the Hopf Equation in Simulating a Sonic Boom

E. A. Beltikov, R. V. Galev, A. N. Kudryavtsev, A. V. Lazarev, I. V. Menshchikova, and I. S. Miskov p. 193 abstract

Rapid Estimation of the Sonic Boom Characteristics from Supersonic Passenger Aircraft in a Standard Atmosphere Based on Analytical Solutions: Caustics in Nonsteady Flight Modes

A. O. Korunov p. 210 abstract

ACOUSTIC OF STRUCTURALLY INHOMOGENEOUS SOLID MEDIA. GEOLOGICAL ACOUSTICS

Study of Frequency Dependence of Hysteretic Nonlinearity of Sandstone

A. V. Lebedev, S. A. Manakov, and V. V. Kazakov p. 231 abstract

ACOUSTIC ECOLOGY. NOISE AND VIBRATION

Experimental Studies of Underwater and Airborne Noise of Hovercraft in the Ural River Estuary

A. I. Vedenev, O. Yu. Kochetov, A. A. Lunkov, and A. S. Shurup p. 240 abstract

ACOUSTIC SIGNAL PROCESSING. COMPUTER SIMULATION

Application of Convolutional Neural Networks Using Multitaper Processing to Acoustic Signal Classification Problems for River Navigation

A. S. Polyakov, P. I. Korotin, D. A. Kosteev, D. D. Razumov, and R. V. Travin p. 249 abstract

ACOUSTICS OF LIVING SYSTEMS. BIOMEDICAL ACOUSTICS

Influence of Weightlessness on Vocal Source Parameters

V. N. Sorokin, A. S. Leonov, D. N. Rulev, and E. V. Prokopyev p. 261 abstract

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