Correction of failure in antenna array using matrix pencil technique

doi:10.1088/1674-1056/26/6/068401

中国物理B ›› 2017, Vol. 26 ›› Issue (6): 68401-068401.doi: 10.1088/1674-1056/26/6/068401

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Correction of failure in antenna array using matrix pencil technique

S U Khan, M K A Rahim

Advanced RF & Microwave Research Group, Department of Communication Engineering, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia

收稿日期:2016-11-09 修回日期:2017-03-13 出版日期:2017-06-05 发布日期:2017-06-05
通讯作者: S U Khan, M K A Rahim E-mail:shafqatphy@yahoo.com;mdkamal@utm.my
基金资助:
Project sypported by the Research Management Centre (RMC), School of Postgraduate Studies (SPS), Communication Engineering Department, Faculty of Electrical Engineering (FKE), Universiti Teknologi Malaysia (UTM), Johor Bahru (Grant Nos. 12H09 and 03E20).

Correction of failure in antenna array using matrix pencil technique

S U Khan, M K A Rahim

Advanced RF & Microwave Research Group, Department of Communication Engineering, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia

Received:2016-11-09 Revised:2017-03-13 Online:2017-06-05 Published:2017-06-05
Contact: S U Khan, M K A Rahim E-mail:shafqatphy@yahoo.com;mdkamal@utm.my
Supported by:
Project sypported by the Research Management Centre (RMC), School of Postgraduate Studies (SPS), Communication Engineering Department, Faculty of Electrical Engineering (FKE), Universiti Teknologi Malaysia (UTM), Johor Bahru (Grant Nos. 12H09 and 03E20).

摘要/Abstract

摘要： In this paper a non-iterative technique is developed for the correction of faulty antenna array based on matrix pencil technique (MPT). The failure of a sensor in antenna array can damage the radiation power pattern in terms of sidelobes level and nulls. In the developed technique, the radiation pattern of the array is sampled to form discrete power pattern information set. Then this information set can be arranged in the form of Hankel matrix (HM) and execute the singular value decomposition (SVD). By removing nonprincipal values, we obtain an optimum lower rank estimation of HM. This lower rank matrix corresponds to the corrected pattern. Then the proposed technique is employed to recover the weight excitation and position allocations from the estimated matrix. Numerical simulations confirm the efficiency of the proposed technique, which is compared with the available techniques in terms of sidelobes level and nulls.

关键词: array correction, low rank estimation, matrix pencil technique, singular value decomposition

Abstract: In this paper a non-iterative technique is developed for the correction of faulty antenna array based on matrix pencil technique (MPT). The failure of a sensor in antenna array can damage the radiation power pattern in terms of sidelobes level and nulls. In the developed technique, the radiation pattern of the array is sampled to form discrete power pattern information set. Then this information set can be arranged in the form of Hankel matrix (HM) and execute the singular value decomposition (SVD). By removing nonprincipal values, we obtain an optimum lower rank estimation of HM. This lower rank matrix corresponds to the corrected pattern. Then the proposed technique is employed to recover the weight excitation and position allocations from the estimated matrix. Numerical simulations confirm the efficiency of the proposed technique, which is compared with the available techniques in terms of sidelobes level and nulls.

Key words: array correction, low rank estimation, matrix pencil technique, singular value decomposition

中图分类号: (Antennas: theory, components and accessories)

84.40.Ba

84.40.Xb (Telemetry: remote control, remote sensing; radar) 33.20.Bx (Radio-frequency and microwave spectra)

S U Khan,M K A Rahim. Correction of failure in antenna array using matrix pencil technique[J]. 中国物理B, 2017, 26(6): 68401-068401.

S U Khan, M K A Rahim. Correction of failure in antenna array using matrix pencil technique[J]. Chin. Phys. B, 2017, 26(6): 68401-068401.

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Correction of failure in antenna array using matrix pencil technique

Correction of failure in antenna array using matrix pencil technique

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