[图书][B] Underwater acoustic modeling and simulation

PC Etter - 2018 - taylorfrancis.com
This newest edition adds new material to all chapters, especially in mathematical
propagation models and special applications and inverse techniques. It has updated …

Research on the low-frequency sound absorption characteristics of coiled Helmholtz cavity acoustic metamaterials

H Cui, Z Hu, H Hu - Advances in Mechanical Engineering, 2022 - journals.sagepub.com
A coiled Helmholtz cavity acoustic metamaterial structure, which consists of three perforated
plates, two channel layers and an air back cavity, is designed to address the problem of poor …

A practical underwater information sensing system based on intermittent chaos under the background of Lévy noise

H Zhang, Z Qin, Y Zhang, D Chen, J Gen… - EURASIP Journal on …, 2022 - Springer
Nowadays, the increasingly complex and changeable marine environment makes the
signals received by the underwater sensing equipment not only contain the weak signals …

Measurements and analysis of underwater acoustic noise of fishing vessels

JM Hovem, R Vågsholm, H Sørheim… - OCEANS 2015 …, 2015 - ieeexplore.ieee.org
Radiated underwater noise of a trawler has been measured with the purpose of
investigating the characteristics of the radiated noise of fishing vessels in order to …

Modeling Low-Frequency Anthropogenic Noise in the Oceans: A Comparison of Propagation Models

JM Hovem, A Korakas - Marine Technology Society Journal, 2014 - ingentaconnect.com
Increased human activities in the marine environment in recent years have caused a
significant general increase in ocean noise level, raising concerns over its impact on marine …

[PDF][PDF] Performance Analysis of Convolution Code with Variable Constraint Length in Shallow Underwater Acoustic Communication

KN Raghavan, CD Suriyakala, R Rathinasabapathy… - Parameters, 2019 - academia.edu
One of the most complex environment for the data transmission is the underwater channel. It
suffers frequency selective deep fading with serious multi path time delay. The channel also …

Underwater Information Sensing Method Based on Improved Dual-Coupled Duffing Oscillator Under Lévy Noise Description

H Zhang, Z Qin, D Chen - International Conference on Collaborative …, 2021 - Springer
Sensing underwater information has become particularly important to obtain information
about the marine environment and target characteristics. At present, most interference …

Spatial Variations in the Acoustic Peak Pressure of Impulsive Low Frequency Anthropogenic Signals in Underwater Marine Environments

M Galindo Romero - 2017 - espace.curtin.edu.au
A method to predict spatial variations in the peak pressure level of impulsive low frequency
anthropogenic signal propagating in marine environments is presented. The method is …