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空间色噪声环境下双基地MIMO雷达角度和多普勒频率联合估计方法 被引量：8

Joint Estimation of Angle and Doppler Frequency for Bistatic MIMO Radar in Spatial Colored Noise
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摘要 该文提出了一种空间色噪声环境下双基地MIMO雷达角度和多普勒频率的联合估计方法。该方法利用相邻时刻匹配滤波器输出的互相关矩阵构造新矩阵,消除了空间色噪声的影响,通过对其进行奇异值分解(SVD)获得信号子空间,然后将相邻时刻匹配滤波器输出的时间相位差作为时间旋转因子,采用ESPRIT方法获得目标多普勒频率、波离方向(DOD)和波达方向(DOA)的联合估计。该方法没有阵列孔径损失,且所估计参数能够实现自动配对。计算机仿真验证了该方法的有效性。 A method of joint estimation of angle and Doppler frequency for bistatic MIMO radar in spatial colored noise is presented. Utilizing the cross-correlation matrix which is formed by the adjacent outputs of match filters in the time domain, a new matrix is constructed to eliminate the influence of spatial colored noise, and the signal subspace is obtained from Singular Value Decomposition （SVD） of it. Then angles and Doppler frequencies can be estimated based on ESPRIT using the rotational factor produced by adjacent outputs of match filters. In this method, angles and Doppler frequencies can be obtained simultaneously and automatically paired without array aperture loss. Numerical results verify the effectiveness of the proposed method.
作者 符渭波 苏涛 赵永波 何学辉
机构地区 西安电子科技大学雷达信号处理国家重点实验室
出处 《电子与信息学报》 EI CSCD 北大核心 2011年第12期2858-2862,共5页 Journal of Electronics & Information Technology
基金 国家自然科学基金(60902079)资助课题
关键词 双基地MIMO雷达 空间色噪声 奇异值分解(SVD) ESPRIT Bistatic MIMO radar Spatial colored noise Singular Value Decomposition （SVD） ESPRIT
分类号 TN957.51 [电子电信—信号与信息处理]
  • 相关文献

参考文献11

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二级参考文献12

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共引文献28

同被引文献63

  • 1金明,廖桂生,李军.分布式发射阵列下目标回波相关性分析[J].中国科学：信息科学,2010,40(7):968-975. 被引量：2
  • 2曹鑫,刘佳.基于免疫遗传算法的海上编队雷达网干扰规划研究[J].兵工学报,2009,30(S1):110-113. 被引量：5
  • 3李昌锦,陈永光,沈阳,李修和.电子战环境下组网雷达检测性能分析与仿真[J].火力与指挥控制,2007,32(1):14-17. 被引量：13
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  • 5Zhang Xiao-fei, Xu Ling-yun, Xu Lei, et al.. Direction Of Departure(DOD) and Direction Of Arrival(DOA) estimation in MIMO radar with reduced-dimension MUSIC[J]. IEEE Communications Letters, 2010, 14(12): 1161-1163.
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  • 9CHEN Jinlin, GU Hang, SU Weimin. A new method for joint DOD and DOA estimation in bistatic MIMO radar[ J]. Signal Processing,2010,90 (2) :714-718.
  • 10DU Ruiyan,WANG Jinkuan, LIU Fulai. Space-time matrix method for joint angle and frequency estimation[ C]//Proc. IEEE International Con- ference on Communication Technology. [ S. 1. ] : IEEE Press, 2008: 458--461.

引证文献8

二级引证文献17

电子与信息学报
2011年 第12期

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