期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 68, 期 8, 页码 6013-6021出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2020.2992803
关键词
Geometry; Optimization; Antenna arrays; Antenna radiation patterns; Convergence; Programming; Approximation algorithms; Antenna arrays; antenna radiation pattern; optimization methods; sparse array antennas; synthesis
资金
- National Natural Science Foundation of China [31727901, 61625103]
Synthesis of unequally spaced arrays with uniform excitation is considered in this article. An iterative method based on second-order cone programming is developed to search the geometry with local optimum peak sidelobe level (PSLL), which is valid for arrays of different scale regardless of geometry constraints like centrosymmetry and minimum separation. By statistical analysis and comparison with other methods, it is verified that the computational complexity of the proposed method is only related to the dimension of optimization variables, and it can further exploit the potential of unequally spaced arrays with uniform excitation under acceptable complexity.
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