| 阵元服从正态分布的阵列DOA特性研究 |
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| 引用本文： | 冯讯,胡林华,唐志凯.阵元服从正态分布的阵列DOA特性研究[J].空军雷达学院学报,2007,21(3):172-175. |
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| 作者姓名： | 冯讯 胡林华 唐志凯 |
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| 作者单位： | 1. 空军雷达学院研究生管理大队,武汉,430019
2. 空军雷达学院电子对抗系,武汉,430019 |
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| 摘 要： | 在研究了零均值正态分布的简洁闭式的基础上给出了一种新的阵列列元布置方法一阵元间距服从正态分布阵列．与等距均匀阵列相比非等距阵元分布阵列具有设备量节省、阵列孔径增大、可获得更高的分辨力等优点．理论与仿真实验表明，阵元间距服从正态分布的非等距阵列能获得较好的空间谱估计性能．
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| 关 键 词： | 非等距阵列 估计模糊 DOA估计 |
| 文章编号： | 1673-8691（2007）03-0172-04 |
| 修稿时间： | 2007-04-23 |
Study of DOA Characteristics of the Array With Elements Obeying Normal Distribution |
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| FENG Xun,HU Lin-hua,TANG Zhi-kai.Study of DOA Characteristics of the Array With Elements Obeying Normal Distribution[J].Journal of Air Force Radar Academy,2007,21(3):172-175. |
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| Authors: | FENG Xun HU Lin-hua TANG Zhi-kai |
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| Affiliation: | 1.Department of Graduate Management, AFRA, Wuhan 430019, China; 2. Department of Electronic Countermeasures, AFRA, Wuhan 430019, China |
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| Abstract: | Based on investigating the zero mean normal distribution, a new method of arranging the antenna array elements was put forward, where the space between adjacent sensor elements obeys the normal distribution. Such nonuniform antenna array has some advantages compared with the uniform linear antenna array, such as reducing the quantity of equipment, increasing antenna aperture and acquiring higher angular resolution. By theoretical analysis and computer simulation, it is proved that the nonuniform antenna array with the space between adjacent sensor elements obeying the normal distribution can acquire the better performance of spatial spectrum estimation. |
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| Keywords: | nonuniform linear antenna array ambiguities in estimation estimation of DOA |
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