考虑互耦影响下的DOA估计算法

孙长果; 熊兵; 张晓丽; 张进民; 黄际英

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考虑互耦影响下的DOA估计算法

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- 文章访问数: 2145
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出版历程
- 收稿日期: 2001-09-18
- 修回日期: 2002-02-25
- 刊出日期: 2003-07-19

Performance of DOA estimation algorithms including mutual coupling

摘要

摘要: 研究了考虑互耦情况下的DOA估计算法MUSIC算法。互耦改变了阵列响应矢量和接收信号相干矩阵的特征值结构,因此影响了DOA估计的精度,用矩量法计算了由半波振子阵列的单元之间的互耦,通过得到的阻抗矩阵来估计互耦的影响。最终给出了计算机仿真的结果。
- 互耦; DOA估计; MUSIC算法; MOM
Abstract: The effect of mutual coupling among array elements on the performance of MUSIC algorithm is investigated. The presence of mutual coupling distorts array response vector and the eigenstructure of the covariance matrix. The Method of Moment (MoM) is used to evaluate the mutual coupling among the dipoles. The admittance matrix is then used to eliminate the effects of mutual coupling. Finally, the results of computer simulation are given.

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参考文献(1)

I.J. Gupta, A. A. Ksienski, Effect of mutual coupling on the performance of adaptive arrays,IEEE Trans. on AP, 1983, AP-31(9), 785-791.[2]R.F.Harrington,著,王尔杰,肖良勇等译,计算电磁场的矩量法,北京,国防工业出版社,1981年,73-88.[3]R.S. Adve, T. K. Sarkar, Compensation for the effects of mutual coupling on direct data domain adaptive algorithms, IEEE Trans. on AP, 2000, 48(1), 86-94.[4]J.A.G. Malherbe, Analysis of linear antenna array including the effects of mutual coupling,IEEE Trans. on Education, 1989, 32(1), 29-34.[5]C.C. Yeh, M.L. Leou, D. R. Ucci, Bearing estimations with mutual coupling present, IEEE Trans. on AP, 1989, AP-37(10), 1332-1335.[6]K.R. Dandekar, H. Ling, G. Xu, Effect of mutual coupling on direction finding in smart antenna applications, Electronics Letters, 2000, 36(22), 1889-1991.

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文章访问数: 2145
HTML全文浏览量: 81
PDF下载量: 580
被引次数: 0

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考虑互耦影响下的DOA估计算法

计量

出版历程

Performance of DOA estimation algorithms including mutual coupling

计量

出版历程

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