Research on Dispersion Characteristics of Scholte Wave in Shallow Sea

LUO Xia-yun; CHENG Guang-li; ZHANG Ming-min; LIU Yan-chun

doi:10.3969/j.issn.1000-1093.2018.09.016

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Research on Dispersion Characteristics of Scholte Wave in Shallow Sea

更新时间：2025-08-18

- Research on Dispersion Characteristics of Scholte Wave in Shallow Sea
- Acta Armamentarii Vol. 39, Issue 9, Pages: 1786-1794(2018)
- 作者机构：
  
  1. 海军工程大学电子工程学院,湖北,武汉,430033
  2. 海军工程大学导航工程系,湖北,武汉,430033
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1000-1093.2018.09.016
  CLC： TB566P733.23
- Published：2018
- 稿件说明：
移动端阅览
LUO Xia-yun, CHENG Guang-li, ZHANG Ming-min, et al. Research on Dispersion Characteristics of Scholte Wave in Shallow Sea[J]. Acta Armamentarii2018, 39(9): 1786-1794.
DOI：

LUO Xia-yun, CHENG Guang-li, ZHANG Ming-min, et al. Research on Dispersion Characteristics of Scholte Wave in Shallow Sea[J]. Acta Armamentarii2018, 39(9): 1786-1794. DOI： 10.3969/j.issn.1000-1093.2018.09.016.

摘要

为了研究Scholte波在浅海传播过程中的频散特性，基于海底半无限空间模型推导了Scholte波特征方程，对两种典型弹性固态海底条件下Scholte波的频散特性进行仿真计算。利用小波变换对试验数据进行时频分析，确定了Scholte波能量集中的频段。采用滑动窗分析法研究Scholte波的频散特性。对湖上试验数据分析发现，Scholte波能量主要集中在5~15 Hz，其中在5~10 Hz存在明显的频散现象。结果表明：湖上试验分析与理论仿真结果的频散规律一致，滑动窗分析法可用于分析Scholte波的频散特性。

Abstract

In order to study the dispersion characteristics of Scholte wave propagation in shallow sea

the characteristic equation of Scholte wave is deduced based on the seabed semi-infinite space model. The dispersion characteristics of Scholte wave under the condition of several kinds of typical elastic solid seabed are simulated. The frequency band of Scholte wave energy concentration is found by using the wavelet transform method to analyze the experimental data. The dispersion characteristics of Scholte wave are studied by using moving window analysis method. From the analysis of experimental data it is found that the energy of Scholte wave is mainly concentrated in 5-15 Hz

and there is obvious dispersion phenomenon in 5-10 Hz. The results show that the expermental results of the lake are consistent with the theoretically simulated results in the law of dispersion

and the moving window analysis method can be used to analyze the dispersion characteristics of Scholte wave. Key

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