Results 131 to 140 of about 569 (176)
Matched Stochastic Resonance Enhanced Underwater Passive Sonar Detection under Non-Gaussian Impulsive Background Noise. [PDF]
Sensors (Basel)Dong H, Ma S, Suo J, Zhu Z.
europepmc +1 more source
Approaching merchant ships elicit behavioral changes in Atlantic sturgeon (Acipenser oxyrinchus) in the St. Lawrence River, Canada. [PDF]
J Fish BiolSenecal JF +4 more
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A survey on machine learning in ship radiated noise
Ocean EngineeringThe utilization of machine learning in analyzing ship radiated noise (SR-N) is undergoing rapid evolution. Because the omnipresent background noise strongly depends on the highly variable environment, the application of such techniques poses challenges. Furthermore, publicly available labeled datasets are scarce.
Sandjai Bhulai
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Measurement of radiated ship noise
Proceedings of Meetings on Acoustics, 2013A methodology is presented for measuring the radiated noise from a ship in shallow water, and deriving the source level spectrum. The method is applied to the measurement of dredgers in UK waters, vessels which are restricted to shallow water during aggregate extraction.
Wang, Lian S. +5 more
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Control of Ship Radiated Underwater Noise
OCEANS 2019 MTS/IEEE SEATTLE, 2019As human activity in the oceans has grown and scientific understanding of underwater noise has increased, it has been generally accepted that the growth of anthropogenic noise in the ocean has acute, chronic, and cumulative impacts on marine species, most notably marine mammals who depend on sound for foraging, breeding, predator avoidance, navigation,
Yanran Wang, Kai Abrahamsen
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Research on identification technology of ship radiated noise and marine biological noise
2017 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC), 2017The vocal mechanism and structure of ship radiated noise and marine biological noise are analyzed, and the differences of short-term inter-frame spectral similarity between the two kinds of noise are compared. On the basis of this, Pearson correlation coefficient variance of the spectral trend of the adjacent two frames in the short term of the framing
Weizheng Zhang +3 more
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Underwater radiated noise from modern commercial ships
The Journal of the Acoustical Society of America, 2012Underwater radiated noise measurements for seven types of modern commercial ships during normal operating conditions are presented. Calibrated acoustic data (<1000 Hz) from an autonomous seafloor-mounted acoustic recorder were combined with ship passage information from the Automatic Identification System.
Megan F, McKenna +3 more
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Simulation of Dynamic Ship Radiated Noise Signal
2020 15th IEEE International Conference on Signal Processing (ICSP), 2020The total intensity and the spectral distribution of ship’s radiated noise signal changes dynamically as the ship navigates. Conventional static simulation methods are focused on exhibiting non-changing or fixed patterns of signal’s characteristics.
Yuan ZHENG, Bin JIANG, Gang YANG
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Surface ship underwater radiated flow noise
The Journal of the Acoustical Society of America, 2004An increasing focus on naval operations in littoral waters and the advances in weapon and sensor capabilities are driving an increased interest in the control of the underwater signatures of naval platforms. The technology for the control of machinery and propeller noise is well advanced, but there is a short fall in knowledge of the mechanisms that ...
Christ A. F. de Jong +2 more
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