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IEICE TRANSACTIONS on Fundamentals

Sequence CLEAN-Based Source CSDM Retrieval Algorithm for Multiple Targets at Nonlinear MFP

Hyeong-Uk LEE, Tae-Gyun LIM, Chan-Sik HWANG

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Summary :

This paper proposes a method for estimating the number and locations of multiple targets distributed in the ocean. This is achieved by calculating the cross spectral density matrix (CSDM) generated from individual sound sources and applying them to a minimum variance distortionless response (MVDR), a nonlinear processor. The individual CSDMs are calculated by separating and extracting a Sequence CLEAN-based data vector from the CSDM of the data vector received from multiple targets. Numerical simulations demonstrate that the proposed method improves the MVDR performance in the case of multiple targets.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E88-A No.7 pp.1767-1770
Publication Date
2005/07/01
Publicized
Online ISSN
DOI
10.1093/ietfec/e88-a.7.1767
Type of Manuscript
Special Section LETTER (Special Section on Multi-channel Acoustic Signal Processing)
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