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基于MIMO雷达的高分辨成像方法 被引量：12

High-Resolution Imaging Method Based on MIMO Radar
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摘要 以实现对空中目标的高分辨成像为目的,文章提出了基于MIMO雷达的技术解决方案。首先分析了MIMO雷达的工作原理和实现形式,而后建立了MIMO雷达成像模型,并推导出MIMO雷达多通道回波与目标空间频谱的对应关系。通过分析目标空间频谱的支撑区分布,论证了MIMO雷达阵列方位向的高分辨成像能力。最后进行了成像仿真实验。结果表明:在同等接收阵列条件下,MIMO阵列与实孔径阵列相比方位分辨率能够得到数倍的提高。 For the purpose of obtaining high-resolution image of airborne moving target, this paper proposes a technical approach based on MIMO radar. Firstly, the basic principle and scheme of MIMO radar are analyzed. Then MIMO radar imaging model is founded. The relationship between MIMO radar multi-channel data and the spatial spectrum of target is derived. The high azimuth resolution of MIMO radar array is proved through analysis of spatial spectral region of support. Finally, simulations are performed and the results show that MIMO radar array can improve the azimuth resolution by several times compared with real aperture array that has the same receiving array as MIMO radar.
作者 王怀军 许红波 陆珉 粟毅
机构地区 国防科技大学电子科学与工程学院
出处 《微波学报》 CSCD 北大核心 2009年第5期79-83,共5页 Journal of Microwaves
基金 国防基础科研项目(A2820061305)
关键词 多输入多输出雷达 高分辨成像 空间频谱 MIMO radar, High-resolution imaging, Spatial spectrum
分类号 TN958 [电子电信—信号与信息处理]
  • 相关文献

参考文献13

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二级参考文献22

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共引文献46

同被引文献102

  • 1黄琼,屈乐乐,吴秉横,方广有.压缩感知在超宽带雷达成像中的应用[J].电波科学学报,2010,25(1):77-82. 被引量：25
  • 2粟毅,朱宇涛,郁文贤,许红波,雷文太.多通道雷达天线阵列的设计理论与算法[J].中国科学：信息科学,2010,40(10):1372-1383. 被引量：10
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引证文献12

二级引证文献29

微波学报
2009年 第5期

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