NDLI: Acoustic detection and classification of fluid-filled cylinders embedded in sediments

Content Provider	IEEE Xplore Digital Library
Author	Woodward, B.B. Lepper, P.A.
Copyright Year	2003
Description	Author affiliation: Dept. of Electron. & Electr. Eng., Loughborough Univ., UK (Woodward, B.B.; Lepper, P.A.)
Abstract	An open-water trial was carried out using a parametric sonar system with the aim of detecting and classifying embedded or partially embedded objects such as pipelines, lost cargo and mines. This was a contribution to the European Commission's MAST-III DEO (Detection of Embedded Objects) project. The trial involved the detection of back-scattered signals from a water-filled, thin-walled steel cylinder with flat end-caps. Comparisons of incident and back-scattered signals were made at both the 'primary' frequency of 75 kHz and at 'secondary' frequencies in the range 1-13 kHz for sine wave, chirp and Ricker pulses. The main finding was that both specular reflections and resonance effects could be observed and it is proposed that these could contribute to the classification of targets.
Sponsorship	Dept. of the Navy Sci. and Technol. Coalition for Enhanced Marine Resources Orincon Ceros Harbour Offshore Inc
Starting Page	1912
Ending Page	1916
File Size	439893
Page Count	5
File Format	PDF
ISBN	0933957300
DOI	10.1109/OCEANS.2003.178181
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-09-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	MTS
Subject Keyword	Acoustic signal detection Sediments Sonar detection Object detection Frequency Pipelines Signal detection Thin wall structures Steel Chirp
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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