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Pattern Synthesis of Time-Modulated Sparse Array by an OPM-CVX Algorithm
Joint Authors
Zhou, Jianjiang
Li, Hailin
Liang, Lei
Liu, Jialing
Jiang, Yachao
Source
Mathematical Problems in Engineering
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-15, 15 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-04-14
Country of Publication
Egypt
No. of Pages
15
Main Subjects
Abstract EN
This paper addresses the constrained multiobjective optimization problem of time-modulated sparse arrays.
The synthesis objective is to find an optimal element arrangement and associated excitation strategy of sparse arrays, which realize the balance of radiation power and sideband suppression performance with minimum number of elements, and suppress side lobe level simultaneously.
A novel hybrid algorithm based on orthogonal perturbation method and convex optimization (OPM-CVX) for the synthesis of time-modulated sparse antenna array is presented in this paper.
In order to satisfy the main lobe beamforming and side lobe suppression of sparse arrays, the proposed method optimizes element positions with minimum array numbers by orthogonal perturbation method and optimizes excitations of array element with dynamic range ratio constraint by convex optimization.
Furthermore, a trapezoidal pulse time-modulated switching function is proposed to find the balance of radiation power and sideband suppression performance.
The numerical results indicate that the proposed algorithm can be an effective approach for synthesis problems of time-modulated sparse arrays.
American Psychological Association (APA)
Liang, Lei& Jiang, Yachao& Liu, Jialing& Li, Hailin& Zhou, Jianjiang. 2020. Pattern Synthesis of Time-Modulated Sparse Array by an OPM-CVX Algorithm. Mathematical Problems in Engineering،Vol. 2020, no. 2020, pp.1-15.
https://search.emarefa.net/detail/BIM-1196057
Modern Language Association (MLA)
Liang, Lei…[et al.]. Pattern Synthesis of Time-Modulated Sparse Array by an OPM-CVX Algorithm. Mathematical Problems in Engineering No. 2020 (2020), pp.1-15.
https://search.emarefa.net/detail/BIM-1196057
American Medical Association (AMA)
Liang, Lei& Jiang, Yachao& Liu, Jialing& Li, Hailin& Zhou, Jianjiang. Pattern Synthesis of Time-Modulated Sparse Array by an OPM-CVX Algorithm. Mathematical Problems in Engineering. 2020. Vol. 2020, no. 2020, pp.1-15.
https://search.emarefa.net/detail/BIM-1196057
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1196057