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The prevention of attacks on marine structures has been an ongoing challenge and has created an awareness of the vulnerability of these structures to such attacks.Especiallysince the era, it has become crucial for owners and operators of dams to protect them from underwater attacks and maintain a constant, secure perimeter that will provide immediate detection and tracking of all threats.Sonarprovides a cost effective and efficient means of underwater security because unlike other methods of surveillance, acoustic waves with low to mid-range frequencies can travel virtually unimpeded through water until reflected back to the receiver.Thecenter frequency and power levels are largely determinant of a sonar's performance, as well as the unique aspects of the marine environment where it will be used.This
prevention, structures, challenge awareness, awareness vulnerability, underwater, immediate, threatssonar, efficient, surveillance, mid-range frequencies, receiverthe, determinant, performance, environment, evaluation uncertainties,
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