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改进型PASTd双基地MIMO雷达相干目标角度跟踪算法

Angle Tracking Algorithm of Coherent Moving Sources for Bistatic MIMO Radar Based on Modified PASTd
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摘要 针对双基地MIMO雷达相干目标运动时角度跟踪问题,提出了一种基于数据平滑的快速跟踪算法。首先借鉴空间平滑的思想,采用数据平滑重构得到满秩的数据,去除相干信号造成的影响。对PASTd算法进行改进,提出适合平滑后数据的PASTd算法,通过改进的PASTd算法,能够更快地得到目标特征向量,并对其进行正交化得到信号子空间,最后结合ESPRIT算法得到收发角度,并实现自动配对,完成运动目标的角度跟踪。仿真结果验证算法的有效性。 A new fast tracking algorithm based on data smoothing is proposed for angle tracking of coherent moving sources for bistatic radar. Firstly,Spatial smoothing is using to get full rank by using data smoothing reconstruction,getting rid of impact of coherent signal. The improved PASTd algorithm is put forward which is suitable for smooth data. The target feature vector is faster getting by reusing the improved PASTd algorithm,which is orthogonalizated to get the signal subspace. Last the direction of departure (DOD)and direction of arrival (DOA)can be estimated combining with the subspace kind algorithms such as ESPRIT,and the multi-target cross localization is achieved,complete the angle of the moving target tracking. The effectiveness of the proposed method is verified with the computer simulation.
作者 张正言 李小波 毛云祥
机构地区 电子工程学院
出处 《火力与指挥控制》 CSCD 北大核心 2016年第4期131-135,共5页 Fire Control & Command Control
关键词 双基地MIMO雷达 改进PASTd 相干运动目标 角度跟踪 bistatic MIMO radar improved PASTd coherent moving sources angle tracking
分类号 TN953 [电子电信—信号与信息处理]
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参考文献13

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火力与指挥控制
2016年 第4期

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