Feature Extraction of Ship-Radiated Noise Based on Enhanced Variational Mode Decomposition, Normalized Correlation Coefficient and Permutation Entropy

Feature Extraction of Ship-Radiated Noise Based on Enhanced Variational Mode Decomposition, Normalized Correlation Coefficient and Permutation Entropy

Due to the complexity and variability of underwater acoustic channels, ship-radiated noise (SRN) detected using the passive sonar is prone to be distorted. The entropy-based feature extraction method can improve this situation, to some extent. However, it is impractical to directly extract the entro...

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Bibliographic Details
Main Authors: Dongri Xie, Hamada Esmaiel, Haixin Sun, Jie Qi, Zeyad A. H. Qasem
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Entropy
Subjects:
ship-radiated noise
feature extraction
enhanced variational mode decomposition
normalized correlation coefficient
permutation entropy
Online Access:https://www.mdpi.com/1099-4300/22/4/468

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