Volume 06,Issue 03

A Review on Methods and Approaches in Underwater Acoustics

Authors

Yılmaz Burak Kaya, Mostafa Ranjbar


Abstract
The field of underwater acoustics has been extensively developed over the past four decades in response to practical needs originating within both the naval sonar and the marine seismology communities. In contrast to electromagnetic waves, which are highly attenuated in water, acoustic waves can propagate long distances in underwater environments. For this reason, sound waves are used in water in much the same way that electromagnetic waves are used in the atmosphere to sense the environment and communicate. Hence, there is SONAR (Sound Navigation and Ranging) instead of radar, acoustic communication instead of radio, and acoustic imaging and tomography instead of microwave or optical imaging or x ray tomography. Underwater acoustics is the science of sound in water (most commonly in the ocean) and encompasses not only the study of sound propagation, but also the masking of sound signal by interfering phenomenon and the signal processing for extracting these signals from interference. This paper reviews the latest advances on underwater acoustics, specifically underwater acoustic communication and wave propagation.

Keyword: Underwater Acoustics, Wave Propagation, Ambient Noise, Underwater Acoustic Communication.

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