International Journal of Advanced Networking and Applications

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Analysis of a SONAR Detecting System Using Multi-Beamforming Algorithm


Affiliations
1 Department of Electrical and Electronic Engineering, Rivers State University, Nigeria., Nigeria
 

Sonar (Sound Navigation and Ranging) system is an advanced underwater object-detecting system for navigation. The sonar system aids in detecting obstacles and the presence of enemies within a given range. The sonar system detects the targeted objects by identifying the radius and range of the targeted objects. One of the major problems that affect the application of the sonar system is the inability to detect objects due to excessive echoes and noise in the spectrum. The excessive echoes created reverberations that tend to distort the original reflected signal of the sonar system. This research aims to develop a sonar system that can detect a target object at 15km using a beamforming technique. The technique aids in creating a very high-level concentration on the objects by sending multiples of the same signals to one receiver, thereby reducing reverberation and transmission losses. The results show that 15 obstacles were detected at 15km, and reverberations were reduced by 2dB, thereby improving the visibility of the detected signal within its range with the lowest transmission loss of 0.5dB compared to the ultrasonic sonar system and the conventional echo object detecting system having a transmission loss of 3.12dB and 5.67dB respectively.

Keywords

Beamforming, Sonar, Echo, Underwater, Transmission loss.
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  • Analysis of a SONAR Detecting System Using Multi-Beamforming Algorithm

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Authors

Promise Elechi
Department of Electrical and Electronic Engineering, Rivers State University, Nigeria., Nigeria
Ela Okowa
Department of Electrical and Electronic Engineering, Rivers State University, Nigeria., Nigeria
Osunomo Procter Illuma
Department of Electrical and Electronic Engineering, Rivers State University, Nigeria., Nigeria

Abstract


Sonar (Sound Navigation and Ranging) system is an advanced underwater object-detecting system for navigation. The sonar system aids in detecting obstacles and the presence of enemies within a given range. The sonar system detects the targeted objects by identifying the radius and range of the targeted objects. One of the major problems that affect the application of the sonar system is the inability to detect objects due to excessive echoes and noise in the spectrum. The excessive echoes created reverberations that tend to distort the original reflected signal of the sonar system. This research aims to develop a sonar system that can detect a target object at 15km using a beamforming technique. The technique aids in creating a very high-level concentration on the objects by sending multiples of the same signals to one receiver, thereby reducing reverberation and transmission losses. The results show that 15 obstacles were detected at 15km, and reverberations were reduced by 2dB, thereby improving the visibility of the detected signal within its range with the lowest transmission loss of 0.5dB compared to the ultrasonic sonar system and the conventional echo object detecting system having a transmission loss of 3.12dB and 5.67dB respectively.

Keywords


Beamforming, Sonar, Echo, Underwater, Transmission loss.

References