UNDERWATER NOISE OF WHALE‐WATCHING BOATS AND POTENTIAL EFFECTS ON KILLER WHALES (ORCINUS ORCA), BASED ON AN ACOUSTIC IMPACT …

C Erbe - Marine mammal science, 2002 - Wiley Online Library
Underwater noise of whale‐watching boats was recorded in the popular killer whale‐
watching region of southern British Columbia and northwestern Washington State. A …

[图书][B] Digital sonar design in underwater acoustics: principles and applications

Q Li - 2012 - books.google.com
" Digital Sonar Design in Underwater Acoustics Principles and Applications" provides
comprehensive and up-to-date coverage of research on sonar design, including the basic …

Detection line spectrum of ship radiated noise based on a new 3D chaotic system

G Hu, K Wang, L Liu - Sensors, 2021 - mdpi.com
Abstracts This paper proposes a new detection model of a weak signal based on a third-
order chaotic system. Using a dynamic analysis tool, such as the Lyapunov exponent and …

EMD-based extraction of modulated cavitation noise

F Bao, X Wang, Z Tao, Q Wang, S Du - Mechanical Systems and Signal …, 2010 - Elsevier
The empirical mode decomposition (EMD) is applied to extract information of modulation
from signals contaminated by noise. The EMD method is capable of recovering the …

Fundamental frequency detection of underwater acoustic target using DEMON spectrum and CNN network

J Lu, S Song, Z Hu, S Li - 2020 3rd International Conference on …, 2020 - ieeexplore.ieee.org
The fundamental frequency, or F0, is directly determined by the vibration frequency of sound
source. Therefore, by detecting and tracking F0, it is possible to estimate the attributes and …

Multiband analysis for colored amplitude-modulated ship noise

P Clark, I Kirsteins, L Atlas - 2010 IEEE International …, 2010 - ieeexplore.ieee.org
Propeller radiated cavitation noise is broadband yet audibly rhythmic, taking on the
characteristics of amplitude-modulated noise. The study of this process is important because …

Feature analysis of passive underwater targets recognition based on deep neural network

J Ren, Z Huang, C Li, X Guo, J Xu - OCEANS 2019-marseille, 2019 - ieeexplore.ieee.org
As an important research direction of sonar signal processing, the research on taking deep
neural network (DNN) as a classifier for underwater target recognition has become a …

Underwater target classification at greater depths using deep neural network with joint multiple‐domain feature

X Cao, X Zhang, R Togneri, Y Yu - IET radar, sonar & …, 2019 - Wiley Online Library
For underwater target classification which is supposed to recognise different ships with the
radiated acoustic signal, it is the most challenging task to provide excellent classification …

First description of a glass sponge reef soundscape reveals fish calls and elevated sound pressure levels

SK Archer, WD Halliday, A Riera, X Mouy… - Marine Ecology …, 2018 - int-res.com
Structured biogenic habitats are biodiversity hotspots that host a wide range of soniferous
species. Yet in deep-water systems, their soundscapes are largely undescribed. In …

Ship Shaft Frequency Extraction Based on Improved Stacked Sparse Denoising Auto-Encoder Network

J Ni, M Zhao, C Hu, G Lv, Z Guo - Applied Sciences, 2022 - mdpi.com
The modulation spectrum of ship radiated noise contains information on shaft frequency,
which is an important feature used to identify ships and a key parameter involved in …