Bayesian Tracking in an Uncertain Shallow Water Environment

doi:10.1088/0256-307X/33/3/034301

Chin. Phys. Lett.

2016, Vol. 33

Issue (03): 034301 DOI: 10.1088/0256-307X/33/3/034301

FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS)

Bayesian Tracking in an Uncertain Shallow Water Environment

Qian-Qian Li^1,2**

¹Key Laboratory of Marine Surveying and Mapping in Universities of Shandong, Shandong University of Science and Technology, Qingdao 26690
²State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190

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Qian-Qian Li 2016 Chin. Phys. Lett. 33 034301

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Abstract A Bayesian source tracking approach is developed to track a moving acoustic source in an uncertain ocean environment. This approach treats the environmental parameters (e.g., water depth, sediment and bottom parameters) at the source location and the source parameters (e.g., source depth, range and speed) as unknown random variables that evolve as the source moves. To track a target with low signal-to-noise ratio (SNR), acoustic signals from a series of observations are treated in a simultaneous inversion. This allows real-time updating of the environment and accurate tracking of the moving source. The noise signals radiated from a surface ship target are processed and analyzed. It is found that the Bayesian source tracking method could enhance the localization accuracy in an uncertain water environment and low SNR.

Received: 05 November 2015 Published: 31 March 2016

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/33/3/034301 OR https://cpl.iphy.ac.cn/Y2016/V33/I03/034301

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