| 一种V型阵列的二维波达方向估计的新方法 |
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| 引用本文： | 令瀚,叶中付.一种V型阵列的二维波达方向估计的新方法[J].计算机仿真,2008,25(6). |
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| 作者姓名： | 令瀚 叶中付 |
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| 作者单位： | 1. 中国科技大学电子工程与信息科学系,安徽,合肥,230027;甘肃省定西市气象局,甘肃,定西,743000
2. 中国科技大学电子工程与信息科学系,安徽,合肥,230027 |
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| 摘 要： | 波达方向估计是阵列信号处理的一个重要研究方向,在雷达、通信、声纳、地震勘测等领域都有着广泛的应用前景.它已成为阵列无源探测和智能天线中的关键技术.针对二维信号,本文研究一种基于V型阵二维波达方向估计的新算法.该算法根据阵列结构的特点形成多个需要的相关矩阵,构造一个特殊大矩阵并经特征分解获得信号子空间的估计,最后利用2D-ESPRIT方法实现二维角度估计,可以解决β角兼并信号的波达方向估计问题,无需谱峰搜索且信号参数自动配对.最后用计算机仿真验证了该算法的有效性.
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| 关 键 词： | 波达方向估计 特征分解 阵列 |
A New Method for Estimating 2-D DOA with a V-shaped Array |
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| LING Han,YE Zhong-fu.A New Method for Estimating 2-D DOA with a V-shaped Array[J].Computer Simulation,2008,25(6). |
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| Authors: | LING Han YE Zhong-fu |
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| Affiliation: | LING Han1,2,YE Zhong-fu1(1. University of Science , Technology of China,Hefei Anhui 230027,China,2. Dingxi Meteorology Bureau of Gansu Province,Dingxi Gansu 743000,China ) |
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| Abstract: | Direction-of-arrival (DOA) estimation is one of the important research areas of array signal processing, which has found wide applications in a variety of fields ranging from radar, communication and sonar to seismology. Especially, it plays an essential role in the passive detection of emerging array radar and SDMA (Space Division Multiple Access) of smart antenna system.Based on a V- shaped array, a novel method for estimating 2-D DOA is presented in this paper. The algorithm uses the array geometries to ... |
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| Keywords: | DOA estimation Eigen-decomposition Array |
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