| 一种基于实值化技术的循环平稳DOA 算法 |
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| 引用本文： | 刘志刚,汪晋宽, 薛延波.一种基于实值化技术的循环平稳DOA 算法[J].控制与决策,2006,21(8):945-947. |
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| 作者姓名： | 刘志刚 汪晋宽 薛延波 |
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| 作者单位： | 东北大学,信息科学与工程学院,沈阳,110004 |
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| 基金项目： | 河北省教育厅科学研究指导计划项目（Z2004103）. |
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| 摘 要： | 针对EC—MUSIC算法的高维复矩阵计算量大、硬件实现成本高等缺点，提出一种基于实值化技术的循环平稳DOA算法．重新构造了具有中心厄尔米特性质的高维矩阵，将复数矩阵映射成实数矩阵进行处理，不仅具有信号选择特性，提高了算法性能，而且降低了算法的计算量，有利于算法实用化和通信产品小型化．仿真结果验证了所提出算法的有效性。
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| 关 键 词： | DOA估计 循环平稳 阵列信号处理 移动通信 |
| 文章编号： | 1001-0920（2006）08-0945-03 |
| 收稿时间： | 2005-05-31 |
| 修稿时间： | 2005-05-312005-08-08 |
Cyclic DOA Estimation Algorithm with Real-valued Eigendecomposition |
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| LIU Zhi-gang,WANG Jin-kuan,XUE Yan-bo.Cyclic DOA Estimation Algorithm with Real-valued Eigendecomposition[J].Control and Decision,2006,21(8):945-947. |
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| Authors: | LIU Zhi-gang WANG Jin-kuan XUE Yan-bo |
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| Abstract: | A modified extended cyclic MUSIC(EC-MUSIC) algorithm based on real-valued decomposing technique is presented to reduce the computational complexity and high hardware cost.A high-dimensional matrix with center-hermitian property is constructed,which maps a complex matrix into a real one.The proposed algorithm has the signal-selective property,improves its performance,and achieves a substantial reduction of the computational complexity.This algorithm is applicable to communication products with minitype.The effectiveness of this method is verified by simulation results with different SNRs. |
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| Keywords: | DOA estimation Cycle stationary Array signal processing Mobile communications |
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