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2012 (Vol. 4, Issue: 20)
Article Information:

Research on Blind Source Separation of Marine Mammals Signal Processing under Water craft Emitted Noise

Liang Zhang, Longxiang Guo and Jidan Mei
Corresponding Author:  Liang Zhang 

Key words:  Blind source separation , marine mammals signal processing, maximum signal noise ratio criterion, second iteration, , ,
Vol. 4 , (20): 3911-3917
Submitted Accepted Published
December 20, 2011 April 23, 2012 October 15, 2012

As statistical independence exists between marine mammals sound and watercraft emitted noise and among different organism signals, the study introduces blind source separation into marine mammal signals processing. Blind source separation with single hydrophone is a special underdetermined blind separation problem and blind source separation based on matrix calculating is no longer suitable. The problem can be solved by expanding channels and further study finds that second iteration of blind separation can improve the performance. Algorithm simulation and experimental data analysis show that not only marine mammals signal but also different organism signals can be separated by this method with single hydrophone. It is proved that the correlation coefficient of the separated signal is obviously improved, which lays the foundation for the feature extraction and recognition of marine mammals signal.
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  Cite this Reference:
Liang Zhang, Longxiang Guo and Jidan Mei, 2012. Research on Blind Source Separation of Marine Mammals Signal Processing under Water craft Emitted Noise.  Research Journal of Applied Sciences, Engineering and Technology, 4(20): 3911-3917.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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