Matched Field Source Localization via Environmental Focalization

doi:10.1088/0256-307X/30/2/024301

Chin. Phys. Lett.

2013, Vol. 30

Issue (2): 024301 DOI: 10.1088/0256-307X/30/2/024301

FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS)

Matched Field Source Localization via Environmental Focalization

LI Qian-Qian^1,2,3**, LI Zheng-Lin^1,2, ZHANG Ren-He¹

¹State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190
²Haikou Laboratory, Institute of Acoustics, Chinese Academy of Sciences, Haikou 570105
³Graduate University of Chinese Academy of Sciences, Beijing 100190

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LI Qian-Qian, LI Zheng-Lin, ZHANG Ren-He 2013 Chin. Phys. Lett. 30 024301

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Abstract In a realistic application of matched field processing for source localization, the ability to localize an acoustic source is strongly affected by the uncertainty of the environment. However, accurate environment measurement is a difficult task in large regions of the ocean. We employ a Bayesian approach, referred to here as focalization, to overcome the mismatch by including the environment in the parameter search space. Focalization maximizes the posterior probability density over the unknown source and environmental parameters. The broadband signals recorded by a vertical line array in a Yellow Sea experiment are presented to demonstrate the feasibility of focalization.

Received: 05 September 2012 Published: 02 March 2013

PACS:	43.60.Kx	(Matched field processing)
	43.60.Jn	(Source localization and parameter estimation)

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https://cpl.iphy.ac.cn/10.1088/0256-307X/30/2/024301 OR https://cpl.iphy.ac.cn/Y2013/V30/I2/024301

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