海洋环境时空变化条件下的水声噪声信号分辨率

IF 1.1 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

Physics of Wave Phenomena Pub Date : 2024-08-29 DOI:10.3103/S1541308X24700286

V. M. Kuz’kin, S. A. Pereselkov, P. V. Rybyanets, S. A. Tkachenko

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引用次数: 0

摘要

摘要介绍了对随机非均质海洋环境中的水声噪声信号进行全息处理的方法。介绍了从扰动场中净化全息图的方法。介绍了使用单个探测器分辨信号的算法。考虑了信号频谱密度在全息图上的聚焦。提出了信号分辨的标准。显示了在强烈内波背景下，通过声场模式耦合调节两个水声信号分辨率的数值模拟结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Resolution of Hydroacoustic Noise Signals under Conditions of Spatial–Temporal Variability of Ocean Environment

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Resolution of Hydroacoustic Noise Signals under Conditions of Spatial–Temporal Variability of Ocean Environment

Holographic processing of hydroacoustic noise signals in randomly inhomogeneous ocean environment is presented. A method of hologram purification from a perturbed field is described. An algorithm of resolving signals using a single detector is presented. Focusing of signal spectral density on a hologram is considered. Criteria of signal resolution are proposed. Results of numerical simulation of the resolution of two hydroacoustic signals against the background of intense internal waves, conditioning coupling of sound field modes, are shown.

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来源期刊

Physics of Wave Phenomena PHYSICS, MULTIDISCIPLINARY-

CiteScore

2.50

自引率

21.40%

发文量

审稿时长

>12 weeks

期刊介绍： Physics of Wave Phenomena publishes original contributions in general and nonlinear wave theory, original experimental results in optics, acoustics and radiophysics. The fields of physics represented in this journal include nonlinear optics, acoustics, and radiophysics; nonlinear effects of any nature including nonlinear dynamics and chaos; phase transitions including light- and sound-induced; laser physics; optical and other spectroscopies; new instruments, methods, and measurements of wave and oscillatory processes; remote sensing of waves in natural media; wave interactions in biophysics, econophysics and other cross-disciplinary areas.