Synthetic transmit aperture focusing using optimal sparse receive array for reducing computational complexity

被引：0
|
作者：
Park, J. [1 ]
Song, T. -K. [1 ]
机构：
[1] Sogang Univ, Sch Engn, Dept Elect Engn, 1 Sinsu Dong, Seoul, South Korea
来源：
ELECTRONICS LETTERS | 2016年 / 52卷 / 04期
关键词：
computational complexity; array signal processing; grating lobe levels; minimum main lobe width; optimal SRA design; SRA; optimal periodic sparse receive array; STAF scheme; computational complexity reduction; synthetic transmit aperture focusing scheme;
D O I：
10.1049/el.2015.3206
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Synthetic transmit aperture focusing (STAF) has the problem of high computational complexity. An STAF scheme with greatly reduced computational complexity by using an optimal periodic sparse receive array (SRA) is proposed. An analytic method to design optimal SRAs that provide minimum main lobe width and grating lobe levels for a given number of active receive elements is also suggested. The experiment results show that the proposed STAF method can reduce computational complexity by up to 66.67% compared with conventional STAF.
引用
收藏
页码：253 / 254
页数：2
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