Subspace intersection method of high-resolution bearing estimation in shallow ocean

Lakshmipathi, Sondur ; Anand, G. V. (2004) Subspace intersection method of high-resolution bearing estimation in shallow ocean Signal Processing, 84 (8). pp. 1367-1384. ISSN 0165-1684

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S01651...

Related URL: http://dx.doi.org/10.1016/j.sigpro.2004.05.011

Abstract

Plane-wave DOA estimation techniques yield biased estimates of source bearing angles in the ocean due to the multimode nature of acoustic propagation in an oceanic waveguide. Bearing estimation using matched field processing requires either a computationally expensive three-dimensional search or a priori knowledge of the source ranges and depths. A new subspace-based high-resolution bearing estimation technique which does not have any of these drawbacks is presented in this paper.

Item Type:Article
Source:Copyright of this article belongs to European Association for Signal Processing.
Keywords:Bearing Estimation; High Resolution; Normal Modes; Shallow Ocean
ID Code:518
Deposited On:21 Sep 2010 11:48
Last Modified:12 May 2011 06:34

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