DEMON Acoustic Ship Signature Measurements in an Urban Harbor

Detection, classification, and tracking of small vessels are important tasks for improving port security and the security of coastal and offshore operations. Hydroacoustic sensors can be applied for the detection of noise generated by vessels, and this noise can be used for vessel detection, classif...

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Published inAdvances in acoustics and vibration Vol. 2011; no. 1
Main Authors Chung, Kil Woo, Sutin, Alexander, Sedunov, Alexander, Bruno, Michael
Format Journal Article
LanguageEnglish
Published New York Hindawi Publishing Corporation 2011
John Wiley & Sons, Inc
Hindawi Limited
Subjects
Online AccessGet full text
ISSN1687-6261
1687-627X
1687-627X
DOI10.1155/2011/952798

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Abstract Detection, classification, and tracking of small vessels are important tasks for improving port security and the security of coastal and offshore operations. Hydroacoustic sensors can be applied for the detection of noise generated by vessels, and this noise can be used for vessel detection, classification, and tracking. This paper presents recent improvements aimed at the measurement and separation of ship DEMON (Detection of Envelope Modulation on Noise) DEMON acoustic signatures in busy harbor conditions. Ship signature measurements were conducted in the Hudson River and NY Harbor. The DEMON spectra demonstrated much better temporal stability compared with the full ship spectra and were measured at distances up to 7 km. The combination of cross-correlation and methods allowed separation of the acoustic signatures of ships in busy urban environments.
AbstractList Detection, classification, and tracking of small vessels are important tasks for improving port security and the security of coastal and offshore operations. Hydroacoustic sensors can be applied for the detection of noise generated by vessels, and this noise can be used for vessel detection, classification, and tracking. This paper presents recent improvements aimed at the measurement and separation of ship DEMON (Detection of Envelope Modulation on Noise) DEMON acoustic signatures in busy harbor conditions. Ship signature measurements were conducted in the Hudson River and NY Harbor. The DEMON spectra demonstrated much better temporal stability compared with the full ship spectra and were measured at distances up to 7 km. The combination of cross-correlation and methods allowed separation of the acoustic signatures of ships in busy urban environments.
Detection, classification, and tracking of small vessels are important tasks for improving port security and the security of coastal and offshore operations. Hydroacoustic sensors can be applied for the detection of noise generated by vessels, and this noise can be used for vessel detection, classification, and tracking. This paper presents recent improvements aimed at the measurement and separation of ship DEMON (Detection of Envelope Modulation on Noise) DEMON acoustic signatures in busy harbor conditions. Ship signature measurements were conducted in the Hudson River and NY Harbor. The DEMON spectra demonstrated much better temporal stability compared with the full ship spectra and were measured at distances up to 7km. The combination of cross-correlation and methods allowed separation of the acoustic signatures of ships in busy urban environments.
Audience Academic
Author Bruno, Michael
Chung, Kil Woo
Sedunov, Alexander
Sutin, Alexander
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  organization: Stevens Institute of TechnologyCastle Point on HudsonHoboken, NJ 07030USA
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ContentType Journal Article
Copyright Copyright © 2011 Kil Woo Chung et al.
COPYRIGHT 2011 John Wiley & Sons, Inc.
Copyright © 2011 Kil Woo Chung et al. Kil Woo Chung et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright_xml – notice: Copyright © 2011 Kil Woo Chung et al.
– notice: COPYRIGHT 2011 John Wiley & Sons, Inc.
– notice: Copyright © 2011 Kil Woo Chung et al. Kil Woo Chung et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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  article-title: Underwater noise characteristics of small ships
  publication-title: Acta Acustica United with Acustica
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  doi: 10.1117/12.663651
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– ident: e_1_2_7_23_2
– ident: e_1_2_7_10_2
  doi: 10.1109/OCEANSE.2007.4302298
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Snippet Detection, classification, and tracking of small vessels are important tasks for improving port security and the security of coastal and offshore operations....
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SubjectTerms Acoustic noise
Acoustics
Algorithms
Ferries
Harbors
Management
Methods
Modulation (Electronics)
National security
Noise
Satellites
Security
Ships
Signal processing
Signatures
Sound
Studies
Vessels
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Title DEMON Acoustic Ship Signature Measurements in an Urban Harbor
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