A Wideband Tightly Coupled Phased Array with Reduced Scattering Characteristics

被引：0

作者：

Bao, Hongfei ^{[1
]}

Yang, Shiwen ^{[1
]}

Xiao, Qianshu ^{[1
]}

Chen, Yikai ^{[1
]}

Qu, Shiwei ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Engn, 2006 Xiyuan Ave, Chengdu 611731, Sichuan, Peoples R China

来源：

2017 IEEE SIXTH ASIA-PACIFIC CONFERENCE ON ANTENNAS AND PROPAGATION (APCAP) | 2017年

关键词：

phased array; tightly coupling; wideband; polarization conversion metamaterial (PCM); radar cross section reduction;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A low profile ultra-wideband tightly coupled phased array with wide-scan and reduced electromagnetic scattering characteristics is presented. The array is based on the implementation of the continuous current sheet concept, and the tightly coupled dipoles are employed as the array units. The low scattering characteristics of the array is accomplished by the implementation of a novel polarization conversion metamaterial (PCM) and the principle of passive cancellation. Simulated results show that the array can achieve 4:1 bandwidth while scanning up to 60 in the E-plane for VSWR<2.5 and 50 in the H-plane for VSWR<3. As a test case, the array without PCM is simulated to demonstrate the proposed strategy for scattering characteristics reduction. The simulated results show that the designed PCM makes the array out-band scattering characteristics dramatically reduced from 12b, (fL denotes the lowest operating frequency) to 36fL. And the radiation characteristics of the array are well preserved.

引用

页数：3

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