五维正交矢量天线导向矢量的秩-1模糊问题研究

徐友根; 刘志文; 王四平

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五维正交矢量天线导向矢量的秩-1模糊问题研究

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出版历程
- 收稿日期: 2003-11-28
- 修回日期: 2004-09-03
- 刊出日期: 2005-05-19

Rank-1 Ambiguity of Steering Vector of an Array with Five Co-localized and Orthogonally Oriented Sensors

摘要

摘要: 该文研究共点放置的极化敏感五维正交矢量天线导向矢量中隐含的秩-1模糊问题。论文首先定义了同维数但形式不同的极化-角度相干结构(PACS)之间的两种等价关系,在此基础上分析和讨论了几种典型的五维PACS 的秩-1模糊。结果表明,利用五维正交矢量天线可唯一辨识单个非水平极化信号的角度和极化参数。仿真实验结果验证了文中得出的结论。
- 共点; 极化敏感; 秩-1模糊
Abstract: The rank-1 ambiguity problem involved in the Polarization-Angular Coherence Structure (PACS) of a 5-D co-localized vector antenna whose elements are orthogonally oriented is adrressed in this paper. Two kinds of equivalent relations are defined, under which several typical and easy-analyzed 5-D PACSs are studied. It is further shown in the paper that with only one 5-D vector antenna, DOA and polarization of one signal except for the case of horizontally polarized signal could be uniquely identified, as is done by the well-known 6-D ElectroMagnetic (EM) vector sensor. Some representative examples are also given to validate the present analyses.

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参考文献(1)

Ferrara E R, Parks T M. Direction finding with an array of antennas having diverse polarization [J]. IEEE Trans. on AP,1983, AP-31(2): 231 - 236.[2]Compton R T. The tripole antenna: an adaptive array with full polarization flexibility [J]. IEEE Trans. on AP, 1981, AP-29(6):944- 952.[3]Nehorai A, Paldi E. Vector sensor array processing for electromagnetic source localization [J]. IEEE Trans. on SP, 1994,SP-42(2): 376 - 398.[4]Tan Kah-Chye, Ho Kwok-Chiang, Nehorai A. Linear independence of steering vectors of an electromagnetic vector sensor [J]. IEEE Trans. on SP, 1996, SP-44(12): 3099 - 3107.[5]王建英,陈天麒.用四阶累积量实现频率、二维到达角和极化的联合估计[J].中国科学,2000,30(5):424-429.[6]王建英,陈天麒.频率、二维到达角和极化联合估计[J].电子学报,1999,27(11):74-76.[7]王建英,王激扬,陈天麒.宽频段空间信号频率,二维到达角和极化联合估计[J].中国科学,2001,31(6):526-532.[8]石新智,王高峰,文必洋.修正MUSIC算法对非线性阵列适用性的讨论[J].电子学报,2004,32(1):147-149.[9]董豹,姚振东.极化信息在智能天线技术中的应用[J].信号处理,2002,18(6):560-563.[10]徐友根.极化敏感阵列多维参数估计中的若干问题研究[D].[博士论文],北京:北京理工大学研究生院,2004.[11]Ho K.-C, Tan K-C, Ser W. An investigation on number of signals whose directions-of-arrival are uniquely determinable with an EM vector sensor [J].. Signal Processing.1995, 47(1):41-

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文章访问数: 2358
HTML全文浏览量: 95
PDF下载量: 574
被引次数: 0

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五维正交矢量天线导向矢量的秩-1模糊问题研究

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Rank-1 Ambiguity of Steering Vector of an Array with Five Co-localized and Orthogonally Oriented Sensors

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