Study on Multiple-Input Multiple-Output Synthetic Aperture Sonar Composite Acoustic Imaging Technique

被引：0
|
作者：
Teng Tingting [1 ]
Sun Dajun [1 ]
Zhang Yu [1 ]
Huang Cong [1 ]
机构：
[1] Harbin Engn Univ, Sci & Technol Underwater Acoust Lab, Harbin 150001, Peoples R China
来源：
MEASUREMENT TECHNOLOGY AND ENGINEERING RESEARCHES IN INDUSTRY, PTS 1-3 | 2013年 / 333-335卷
关键词：
Acoustic imaging; Multiple-input Multiple-output (MIMO) technique; Synthetic Aperture Sonar (SAS); Azimuth resolution; Near-filed focusing beamforming;
D O I：
10.4028/www.scientific.net/AMM.333-335.1175
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The azimuth resolution of imaging sonar lies on the aperture of the sensor array. In the paper, the Multiple-input Multiple-output Synthetic Aperture Sonar (MIMO-SAS) composite acoustic imaging technique was applied to imaging sonar equipped on the movable platform. The azimuth resolutions of both cross-track direction and along-track direction were obtained. The simulation results demonstrate that comparing with the conventional imaging technique Single-Input Multiple-output (SIMO), the azimuth resolution of cross-track direction is improved since the virtual array aperture of MIMO technique, and the azimuth resolution of along-track direction is obtained since the synthetic aperture of SAS technique. The simulation results are consistent with the theoretic value of the azimuth resolution.
引用
收藏
页码：1175 / 1179
页数：5
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