Blind deconvolution of underwater channel using transitory signal processing

被引：0
|
作者：
Ioana, C [1 ]
Gervaise, C [1 ]
Quinquis, A [1 ]
机构：
[1] ENSIETA, F-28906 Brest, France
来源：
OCEANS '04 MTS/IEEE TECHNO-OCEAN '04, VOLS 1- 2, CONFERENCE PROCEEDINGS, VOLS. 1-4 | 2004年
关键词：
D O I：
暂无
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
A modern method for acoustic underwater channel characterization is the passive tomography concept. The technique relies on the use of opportunity sources thus avoiding the use of dedicated active sources. Co-operative source for passive tomography stands for a source of known position radiating an unknown self noise. Then passive tomography is called aided passive tomography. In this paper, we address the problem of aided passive tomography using a single sensor allowing to an efficient passive real time system. A single sensor blind broadband processing is developed based on Time-Frequency analysis and it is dedicated for transient source in non-dispersive channel. The processing method for the estimation of the impulse channel response is based on the high order ambiguity time-frequency methods. The results on simulated data and comparison with Cramer-Rao bound will be also devised.
引用
收藏
页码：1033 / 1036
页数：4
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