| 一种基于二阶统计量的近场源三维参数估计方法 |
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| 引用本文： | 王波, 王树勋. 一种基于二阶统计量的近场源三维参数估计方法[J]. 电子与信息学报, 2006, 28(1): 45-49. |
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| 作者姓名： | 王波 王树勋 |
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| 作者单位： | 吉林大学通信工程学院,长春,130025;吉林大学通信工程学院,长春,130025 |
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| 摘 要： | 该文研究近场源的距离、角度和频率的三维参数估计问题。提出了一种仅需利用二阶统计量和相应的配对程序就能直接估计出参数的新方法。该方法无需谱峰搜索，同时避免应用四阶累积量，减轻了算法的计算量。仿真实验证明了该算法的有效性。
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| 关 键 词： | 近场源定位 二阶统计量 频率估计 方向角估计 距离估计 |
| 文章编号： | 1009-5896（2006）01-0045-05 |
| 收稿时间： | 2004-06-29 |
| 修稿时间： | 2004-11-06 |
A Three-Dimensional Parameter Estimation Method of Near Field Sources Based on Second Statistics |
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| Wang Bo, Wang Shu-xun. A Three-Dimensional Parameter Estimation Method of Near Field Sources Based on Second Statistics[J]. Journal of Electronics & Information Technology, 2006, 28(1): 45-49. |
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| Authors: | Wang Bo Wang Shu-xun |
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| Affiliation: | College of Communication Engineering, Jilin University, Changchun 130025, China |
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| Abstract: | In this paper, the problem of the frequency, bearing and range estimate in near field is considered. Only using second statistics and corresponding pairing program, the proposed algorithm can estimate parameters. The method does not need spectral peak searching, and can avoid using fourth-order cumulant, reduce calculating burden. The effectiveness of the method is demonstrated through some simulation examples. |
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| Keywords: | Near field Source localization Second statistics Frequency estimate Bearing estimate Range estimate |
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