Research of Vector Hydrophone Adaptive Signal Processing

As a useful tool for line spectrum detection in underwater signal ,ALE has been used wildly. But there are still some problems to influence the effect of ALE. This paper gives three problems on ALE and analyses these.Then by the characteristics of vector hydrophone and a improved variable step size...

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Published inApplied Mechanics and Materials Vol. 423-426; no. Applied Materials and Technologies for Modern Manufacturing; pp. 2496 - 2506
Main Authors Zhang, Wei, Cheng, Jing Fang, Ma, Bo Le
Format Journal Article
LanguageEnglish
Published Zurich Trans Tech Publications Ltd 01.09.2013
Subjects
Algorithms
Cascades
Channels
Hydrophones
Mathematical analysis
Mathematical models
Vectors (mathematics)
Vector Hydrophone
ALE
LMS
Variable Step Size
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Summary:As a useful tool for line spectrum detection in underwater signal ,ALE has been used wildly. But there are still some problems to influence the effect of ALE. This paper gives three problems on ALE and analyses these.Then by the characteristics of vector hydrophone and a improved variable step size LMS,this paper constructs a cascade double input with variable step size based on vector hydrophone line spectrum enhancer . This algorithm restrains the noise of main channel twice ,meanwhile controls the noise in reference channel , so as to improve signal to noise ratio better. At the same time ,because of adopting the improved variable step size LMS, the steady-state error is reduced. From the results of simulation and experiment, the method presented in this paper can have a better effect of line spectrum enhancement.
Bibliography:Selected, peer reviewed papers from the Third International Conference on Applied Mechanics, Materials and Manufacturing (ICAMMM 2013), August 24-25, 2013, Dalian, China
ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISBN:9783037858882
3037858885
ISSN:1660-9336
1662-7482
1662-7482
DOI:10.4028/www.scientific.net/AMM.423-426.2496