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分布式MIMO雷达稀布阵列研究

Study on the Distributed MIMO Sparse Array Radar
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摘要 针对短基线分布式MIMO雷达三维阵列特点,提出满足无遮挡约束下PSL最小的阵列优化准则以抑制栅瓣。给出不同阵列布局、不同单元雷达数量与孔径、扫描情况下PSL估计结果。数字仿真结果表明,分布式MIMO雷达密集布阵时,本文优化准则得到的圆环阵+大位置扰动可有效抑制栅瓣引起的PSL。 To solve the serious problem of grate lobe in distributed MIM0 radar three-dimensional array, the optimization criterion of minimum PSL （ Peak Sidelobe Level） based on the constraint of shading free is derived. The estimation results of PSL are given for different array geometries, different element radar numbers and apertures, and different scanning angles. Numerical simulation results show that the minimum PSL can be achieved by optimal positions perturbed ring array when the distributed MIMO radar is collocated and shading-free.
作者 金镇 谢良贵 文树梁
机构地区 中国航天科工集团二院二十三所 中国航天科工集团公司
出处 《宇航学报》 EI CAS CSCD 北大核心 2014年第2期207-212,共6页 Journal of Astronautics
关键词 分布式相参雷达 MIMO雷达 三维阵列 Distributed coherent radar Multiple-input Multiple-output （MIMO） Radar Three-Dimensional array
分类号 TN95 [电子电信—信号与信息处理]
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参考文献14

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2014年 第2期

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