https://scholars.lib.ntu.edu.tw/handle/123456789/636093
標題: | Minimization of Mutual Coupling Interferences between Nearby Antenna Arrays to Retain Their Beam Steering Functionality | 作者: | HSI-TSENG CHOU Chang, Chen Yi Torrungrueng, Danai |
關鍵字: | Antenna array | array synthesis | beam-steering | electromagnetic interferences | pattern nulling | singular-value decomposition | 公開日期: | 1-一月-2023 | 卷: | 11 | 來源出版物: | IEEE Access | 摘要: | This paper presents an effective excitation synthesis algorithm of phased arrays of antennas to optimize the radiation patterns under minimum mutual coupling/induction interferences between two nearby arrays. The optimization goal is to minimize the inter-array interferences in an attempt to retain their radiation beam characteristics. Furthermore, a cost function is defined to reduce the inter-array reaction and the excitation weighting deviations from the desired ones for directional beam radiations by embedding a coupling reduction factor (CRF). The resulting solutions are in a simple closed-form for easy implementation. Besides, the mutual coupling/induction mechanisms are effectively interpreted using the singular-value decomposition (SVD) method to create an eigenspace for signal representations and the complementary null space. Finally, theoretical and numerical full-wave simulation examples are presented to validate the proposed mutual coupling/induction suppression method. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/636093 | ISSN: | 2169-3536 | DOI: | 10.1109/ACCESS.2023.3305253 |
顯示於: | 電機工程學系 |
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