Journal
FRONTIERS IN MARINE SCIENCE
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fmars.2023.1213002
Keywords
ocean acoustic propagation; properties of reliable acoustic path; sound speed profile variation; bathymetry variation; transmission loss
Ask authors/readers for more resources
This study investigates the properties of the reliable acoustic path (RAP) on a global scale. The results show that RAP range is positively correlated with ocean depth. Contrary to previous beliefs, sound speed profiles (SSPs) play a crucial role in determining RAP properties and can enhance the performance of underwater localization or communication systems.
Leveraging the benefits of low transmission loss and high signal-to-noise ratio, the reliable acoustic path (RAP) has been extensively employed in various underwater applications. In this study, we investigate RAP properties on a global scale. Acoustic simulations were conducted using global grids with a 0.25 & DEG; x 0.25 & DEG; spatial resolution, revealing that RAP range is positively correlated with ocean depth. Contrary to the prevailing belief that RAP properties are relatively unaffected by sound speed variations, our findings indicate that sound speed profiles (SSPs) play a crucial role in determining RAP properties by altering the RAP from 15 km to 50 km at a constant ocean depth of 4000 m. Additionally, the receiver angle can vary by nearly 5 km at the same source location due to SSP variations. Consequently, utilizing highly accurate SSPs can enhance the performance of underwater localization or communication systems that rely on RAP.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available