Devising MIMO Arrays for Underwater 3-D Short-Range Imaging

被引：0
|
作者：
Liu Xiong-hou [1 ]
Sun Chao [1 ]
Zhuo Jie [1 ]
Ma Qian [1 ]
Pan Hao [1 ]
机构：
[1] Northwestern Polytech Univ, Inst Acoust Engn, Xian 710072, Peoples R China
来源：
2012 OCEANS | 2012年
关键词：
underwater acoustic imaging; 3-D imaging; waveform diversity; MIMO array; sparse array; array design; SPARSE 2-D ARRAYS; PHASED-ARRAY; DESIGN; RADAR; OPTIMIZATION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To reduce the sensor number and restrict the array size of an underwater 3-D imaging system, the multiple-input multiple-output (MIMO) array is adopted in this paper. The relationship between the narrowband or wideband MIMO array and its virtual array is discussed in detail and the analytical solution of the coordinates of the virtual sensors is given. Based on the ability of providing virtual sensors of MIMO arrays, several MIMO array layouts are proposed, which can be equivalent to the rectangular planar array, the cylindrical array and the spherical array, respectively. And plenty of sensors in these array layouts are saved. Moreover, some MIMO arrays which can reduce the sensor number and the array size simultaneously are also introduced.
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页数：7
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