An Effective Method for the Synthesis of Wideband and Wide-Scanning Sparse Planar Array
An Effective Method for the Synthesis of Wideband and Wide-Scanning Sparse Planar Array
复制标题
宽带宽扫描稀疏平面阵列合成的有效方法
DOI:
10.1109/tap.2021.3119102
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发表时间:
2022-04
期刊:
影响因子:
--
通讯作者:
Chen Rushan
中科院分区:
文献类型:
--
作者:
Gu Pengfei;Wang Gui;Fan Zhenhon;Ding Dazhi;Chen Rushan
The matrix enhancement and matrix pencil (MEMP) has been used to reduce the number of array elements in the planar array with a shaped-beam pattern. This work extends the MEMP-based synthesis method to the synthesis of pattern reconfigurable sparse planar arrays in wide-angle scanning and wideband, which exploits a necessary restriction on finding the common element positions and individual element excitations for multiple patterns. Moreover, a unitary transformation is exploited in the multiple composite equivalent Hankel matrix, which converts the complex computations of singular value decomposition (SVD) and eigenvalue decomposition (EVD) courses into real ones and effectively reduces the computation complexity. A new tactic is also restricted on avoiding too small element spacing with the consideration of the size of array antenna element. A set of numerical experiments are provided to validate the effectiveness and advantages of the proposed method.
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