| 基于PM和Root-MUSIC的MIMO雷达波达方向估计 |
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| 引用本文： | 汪伟.基于PM和Root-MUSIC的MIMO雷达波达方向估计[J].科学技术与工程,2012,12(3):539-542. |
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| 作者姓名： | 汪伟 |
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| 作者单位： | 1. 河海大学计算机与信息学院
2. 能源与电气学院 南京211100 |
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| 摘 要： | 提出了基于传播算子( Propagator Method,PM)和求根MUSIC (Root-MUSIC)算法的单基地MIMO(Multiple - Input Multiple-Output)雷达多目标定位方法.该方法将上述两种方法结合,利用接收数据协方差得到传播算子矩阵,该矩阵可替代所需的噪声矩阵,避免了特征值分解.再利用多项式求根对方位角进行估计,从而无需谱峰搜索,大大降低了计算复杂度.仿真结果表明了该算法的有效性.
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| 关 键 词： | 多输入多输出雷达 传播算子 多项式求根 多目标定位 |
| 收稿时间： | 11/9/2011 9:15:57 AM |
| 修稿时间： | 11/9/2011 9:15:57 AM |
Direction of Arrival Based on PM and Root-MUSIC for Monostatic MIMO Radar |
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| wangwei.Direction of Arrival Based on PM and Root-MUSIC for Monostatic MIMO Radar[J].Science Technology and Engineering,2012,12(3):539-542. |
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| Authors: | wangwei |
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| Institution: | 2 (Department of Computer and Information,Hohai University1,Nanjing 211100,P.R.China; Department of Energy and Electrical Engineering,Hohai University2,Nanjing 211100,P.R.China) |
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| Abstract: | A novel method based on propagator method(PM) and Rooting MUSIC(Root-MUSIC) for angle estimation in MIMO radar system is presented in this paper. The method combined the advantages of PM and Root-MUSIC, using covariance matrix of receive data to get propagator matrix, the noise subspace can be derived by propagator matrix, then by exploiting Root-MUSIC, Direction of Arrival(DOA) can be estimated separately. The proposed algorithm greatly reduces the computational complexity without the eigenvalue decomposition and spectrum peak searching. The simulation results demonstrate the validity and superiority of the proposed algorithm. |
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| Keywords: | MIMO Radar PM Rooting Multi-target localization |
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