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Features of Propagation and Transformation of Low-Frequency Hydroacoustic Signals on a Shelf of Decreasing Depth
Doklady Earth Sciences ( IF 0.9 ) Pub Date : 2020-04-01 , DOI: 10.1134/s1028334x20040030
G. I. Dolgikh , Piao Shengchun , S. S. Budrin , Song Yang , S. G. Dolgikh , V. V. Ovcharenko , V. A. Chupin , S. V. Yakovenko , Dong Yang , Wang Xiaohan , V. A. Shvets

Abstract By the analysis of the experimental data and model calculations, features of the propagation of hydroacoustic signals over a shelf of decreasing depth generated by a low-frequency hydroacoustic emitter at a frequency of 22 Hz and their transformations at the “water–bottom” interface into the Rayleigh waves recorded by a coastal laser strainmeter are studied. Energy estimates for the propagating hydroacoustic signals are presented at different points on the shelf; and such estimates for the transformed seismic–acoustic signals are obtained at the location of a laser strainmeter in the Earth’s crust.

中文翻译:

低频水声信号在递减层架上的传播与变换特征

摘要 通过对实验数据和模型计算的分析,得出了低频水声发射器在 22 Hz 频率下产生的深度递减陆架上水声信号的传播特征及其在“水-底”界面的变换。研究了海岸激光应变仪记录的瑞利波。传播的水声信号的能量估计在架子上的不同点呈现;并且在地壳中的激光应变仪位置获得了对转换后的地震声学信号的这种估计。
更新日期:2020-04-01
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