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Study on a Detection Technique for Scholte Waves at the Seafloor.
Minshuai Liang1, Liang Wang1, Gaokun Yu1
1Department of Marine Technology, Ocean University of China, Qingdao 266100, China.
Sensors (Basel, Switzerland)
|July 27, 2022
Summary
This study introduces a novel method for detecting Scholte waves in the sound pressure field, proving effective even with sediment layers. This advancement aids underwater detection and communication applications.
Area of Science:
- Acoustics
- Oceanography
- Geophysics
Background:
- Scholte waves at the seafloor are crucial for underwater detection and communication.
- Existing methods for detecting Scholte waves often face challenges like seabed coupling and wave speed effects.
Purpose of the Study:
- To theoretically and experimentally investigate the detection of Scholte waves at the seafloor.
- To propose and validate a new technique for detecting Scholte waves in the sound pressure field.
Main Methods:
- Development of acoustic models for multilayer elastic seafloor environments.
- Conducting tank experiments to detect Scholte waves using a novel sound pressure field technique.
- Comparison with traditional seismic wavefield detection methods.
Main Results:
- The proposed sound pressure field technique effectively detects Scholte waves.
- The method overcomes limitations of seabed coupling and wave speed dependency.
- Detection remains effective in the presence of sediment layers, though sediment affects Scholte wave excitation.
Conclusions:
- The novel sound pressure field detection technique is a viable and effective method for Scholte waves.
- This technique offers advantages over traditional seismic methods for underwater applications.
- Understanding the impact of sediment layers is important for optimizing Scholte wave detection.
