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Ocean ambient noise is usually considered as an interfering background for underwater devices. As a key component of ocean ambient noise, marine biological noise also has a serious effect on sonar detection performance. It is found that marine mammal noise has a wide frequency band, with the energy mainly concentrating on low frequency band 10 ∼ 500 Hz and medium frequency band 500 Hz ∼ 25 kHz, which...
Range is the most important index of the detection performance of active sonar systems, and is influenced by the parameters of the sonar system, marine environment and target characteristics. The traditional method of predicting detection range was to solve the active sonar equation. Because parameters such as transmission loss and reverberation are computed as an average energy value, the result...
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