NDLI: Adaptive wavenumber estimation for mode tracking in a shallow ocean environment

Content Provider	IEEE Xplore Digital Library
Author	Candy, J.V.
Copyright Year	2012
Abstract	The shallow ocean is an uncertain, varying, dispersive environment dominated by ambient and shipping noise as well as temperature fluctuations that alter sound propagation throughout creating a large number of environmental variations. The need to develop processors that are capable of tracking these changes while simultaneously providing enhanced signals implies a stochastic as well as an adaptive design is required. The stochastic requirement follows directly from the multitude of variations created by uncertain parameters and noise. An adaptive processor providing enhanced signal estimates for acoustic hydrophone measurements on a vertical array as well as enhanced modal function and wavenumber estimates is developed. A normal-mode model is transformed to state-space form and incorporated directly into the processor enabling the signal enhancement capabilities. Data synthesized from the well-known Hudson Canyon experiment is used to demonstrate the viability of this approach.
Sponsorship	Oceanic Eng. Soc.
Starting Page	1
Ending Page	9
File Size	2179806
Page Count	9
File Format	PDF
ISBN	9781467308298
e-ISBN	9781467308311
DOI	10.1109/OCEANS.2012.6404974
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Program processors Oceans Noise Sea measurements Mathematical model Acoustics Arrays unscented Kalman filter adaptive model-based processor sequential Bayesian processor sequential Monte Carlo particle filter
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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