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Synthesis of sparse concentric ring arrays based on Bessel function
Zhao, Xiaowen; Zhang, Yunhua; Yang, Qingshan; Zhao, XW (reprint author), Chinese Acad Sci, NSSC, Key Lab Microwave Remote Sensing, 1 Nanertiao, Beijing, Peoples R China.
作者部门微波遥感部
发表期刊IET MICROWAVES ANTENNAS & PROPAGATION
2017
卷号11期号:11页码:1651-1660
ISSN1751-8725
语种英语
摘要In this study, a novel strategy is proposed for synthesis of sparse concentric ring arrays composed of uniformly excited elements. The synthesis problem herein is aimed at determining the sparse ring radii and the corresponding number of elements equally spaced on each ring simultaneously in order to produce circularly symmetric patterns. By using the proposed method, the above synthesis problem can be simply transformed to a single-type-variable optimisation problem since the relationship between the sparse ring radius and the element number is derived according to the properties of Bessel function. The proposed method is very efficient and flexible for synthesising direct radiating arrays and/or the scanned ones. Numerical experiments are conducted to validate the effectiveness of the proposed method. Compared with other methods, the proposed method can obtain circularly symmetric patterns using fewer elements. On this basis, the comparison of sparse array and thinning array is given through numerical experiment. Meanwhile, a scanned sparse array of 908 elements is synthesised in a circular aperture of 25 diameter with invariant peak sidelobe level of -28.9 dB, which can steer the beam from 0 degrees to 30 degrees in elevation and from 0 degrees to 360 degrees in azimuth.
收录类别SCI
文献类型期刊论文
条目标识符http://ir.nssc.ac.cn/handle/122/6079
专题微波遥感部
通讯作者Zhao, XW (reprint author), Chinese Acad Sci, NSSC, Key Lab Microwave Remote Sensing, 1 Nanertiao, Beijing, Peoples R China.
推荐引用方式
GB/T 7714
Zhao, Xiaowen,Zhang, Yunhua,Yang, Qingshan,et al. Synthesis of sparse concentric ring arrays based on Bessel function[J]. IET MICROWAVES ANTENNAS & PROPAGATION,2017,11(11):1651-1660.
APA Zhao, Xiaowen,Zhang, Yunhua,Yang, Qingshan,&Zhao, XW .(2017).Synthesis of sparse concentric ring arrays based on Bessel function.IET MICROWAVES ANTENNAS & PROPAGATION,11(11),1651-1660.
MLA Zhao, Xiaowen,et al."Synthesis of sparse concentric ring arrays based on Bessel function".IET MICROWAVES ANTENNAS & PROPAGATION 11.11(2017):1651-1660.
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