NDLI: Tow ship interference cancelling based on blind source separation algorithm

Content Provider	IEEE Xplore Digital Library
Author	Zhang Xinhua Fan Wentao Xia Zhijun Kang Chunyu
Copyright Year	2011
Description	Author affiliation: Dept. Information & Communication Engineering, Dalian Naval Academy, China (Zhang Xinhua; Fan Wentao; Xia Zhijun; Kang Chunyu)
Abstract	In this work, it proposed an algorithm to cancel the tow ship interference. It also proposed a blind source separation (BSS) algorithm which utilizes the characteristic of time structure between signals and the feature of non-parametric of non-stationary underwater acoustic signal. The proposed algorithm calculates the direction of arrival (DOA) of each source signal from the BSS's output. Then, it deletes the tow ship interference components from the BSS's outputs if its DOA belongs to blind-zone which is a direction area generated by tow ship radiated noise. The cleaned array space data could be reconstructed by the picked BSS's outputs which only include interested targets components. At last, it uses minimum variance distortionless response (MVDR) to estimate the targets' bearings from the cleaned array signal. Computer simulation results show that the proposed method is proved to be more effective than MVDR algorithm in the aspect of detecting weak target and lessening the range of blind-zone.
Starting Page	465
Ending Page	468
File Size	1183991
Page Count	4
File Format	PDF
ISBN	9781457708879
e-ISBN	9781457708886
DOI	10.1109/ICAwST.2011.6163196
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptive interference cancelling Entropy Blind source separation Passive sonar Towed array Adaptive beamforming
Content Type	Text
Resource Type	Article

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