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3.564  Articles
1 of 357 pages  |  10  records  |  more records»
A semi-empirical method is presented that predicts broadband hull-pressure fluctuations and underwater radiated noise due to propeller tip vortex cavitation. The method uses a hump-shaped pattern for the spectrum and predicts the centre frequency and leve... see more

In this paper we studied the physical properties of the Gulf of Naples (Southern Italy) for its use as a communicationchannel for the acoustic transmission of digital data acquired by seismic instruments on the seafloor to amoored buoy. The acoustic link ... see more

?In this paper we studied the physical properties of the Gulf of Naples (Southern Italy) for its use as a commu- nication channel for the acoustic transmission of digital data acquired by seismic instruments on the seafloor to a moored buoy. The acoustic... see more

Wave energy conversion is a clean electric power production technology. During operation there are no emissions in the form of harmful gases. However there are unsolved issues considering environmental impacts such as: electromagnetism; the artificial ree... see more

Underwater noise poses serious threats to marine mammals, which rely on underwater sound primarily for communication, orientation and foraging. In this study, underwater noise from dynamite fishing was analyzed to infer possible effects on local marine ma... see more

Underwater acoustic communication has several applications for civilians and defence. It is a challenging engineering problem, where large variability of ambient noise and highly variable channel characteristics limits the performance of communication sys... see more

There is ever increasing interest in underwater noise control onboard ships as part of concerted efforts to reduce ship’s radiated noise. Reduction of radiated noise is considered important as it will affect the performance of hydro-acoustic systems such ... see more

Researchers have become interested in autonomous underwater vehicles equipped with various kinds of sonar systems that can perform many of underwater tasks, which is encouraged by the potential benefits of cost reduction and flexible deployment. This pape... see more

The underwater noise radiated by commercial ships has an impact on the underwater soundscape across oceans and inland seas. It is predicted that by 2050, the maritime transportation in the European Union will have grown dramatically. The EU legislation, a... see more

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