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A Hybrid Method for the Optimal Synthesis of 3-D Patterns of Sparse Concentric Ring Arrays
Zhao, Xiaowen; Yang, Qingshan; Zhang, Yunhua; Zhao, XW
Department微波遥感部
Source PublicationIEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2016
Volume64Issue:2Pages:515-524
ISSN0018-926X
Language英语
KeywordAntenna Array Synthesis Bessel Function Compressed Sensing (Cs) Concentric Ring Arrays (Cras) Convex Optimization Sparse Array
AbstractA hybrid method is proposed for synthesizing sparse concentric ring arrays (CRAs) to get circularly symmetric and invariant three-dimensional (3-D) patterns over all-azimuth directions. The hybrid method involves a convex optimization approach and a determined approach together. Based on the Bessel function approximation of the circular array pattern and the compressed sensing (CS) theory, the synthesis of a sparse concentric current ring array can be formulated as a convex problem with the minimization of l(1)-norm, and the corresponding array parameters including the number of concentric rings, the ring radii, and the current ring excitations can be determined simultaneously to satisfy the requirements on radiation pattern. In order to reconstruct the 3-D pattern accurately with discrete antenna elements in place of the current rings, a determined approach with or without radial amplitude weighting is proposed to define the number of elements equally distributed on each ring. The proposed hybrid method can be applied to synthesizing CRAs with 3-D pattern either matching a desired pattern or satisfying a prescribed power mask. Moreover, the method is very easy to implement, while has good numerical stability and computational efficiency. Numerical experiments are conducted to validate the flexibility and effectiveness of the proposed method.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5328
Collection微波遥感部
Corresponding AuthorZhao, XW
Recommended Citation
GB/T 7714
Zhao, Xiaowen,Yang, Qingshan,Zhang, Yunhua,et al. A Hybrid Method for the Optimal Synthesis of 3-D Patterns of Sparse Concentric Ring Arrays[J]. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION,2016,64(2):515-524.
APA Zhao, Xiaowen,Yang, Qingshan,Zhang, Yunhua,&Zhao, XW.(2016).A Hybrid Method for the Optimal Synthesis of 3-D Patterns of Sparse Concentric Ring Arrays.IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION,64(2),515-524.
MLA Zhao, Xiaowen,et al."A Hybrid Method for the Optimal Synthesis of 3-D Patterns of Sparse Concentric Ring Arrays".IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 64.2(2016):515-524.
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