A Compact Antenna Test Range Designed by All-Dielectric Transmitarray

被引：0

作者：

Liu, Fan ^{[1
]}

Ma, Jing ^{[2
]}

Shi, Bin ^{[2
]}

Zhu, Zhong-bo ^{[3
]}

Peng, Lin ^{[1
]}

机构：

[1] Guilin Univ Elect Technol, Key Lab Microwave & Opt Wave Applicat Technol, Guilin 541004, Guangxi, Peoples R China

[2] Beijing Simulat Ctr, Sci & Technol Special Syst Simulat Lab, Beijing 100854, Peoples R China

[3] Natl Key Lab Sci & Technol Space Microwave, Xian 710100, Peoples R China

来源：

2024 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY, ICMMT | 2024年

关键词：

compact antenna test range (CATR); corrugated horn antenna; transmitarray (TA); additional phase shift (APS);

D O I：

10.1109/ICMMT61774.2024.10672017

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：

In this paper, an all-dielectric transmitarray compact antenna test range (TACATR) is proposed. The TACATR can be used as a low-cost alternative to traditional reflector compact antenna test range. The aperture perturbation mechanisms of the TACATR have been investigated, including aperture scattering interference and edge diffraction. Two optimization strategies are proposed to enhance the performance of the quiet zone (QZ). On the one hand, the unwanted edge diffraction is suppressed by employing suitable feeding sources and optimizing the focal aperture ratio (F/D). On the other hand, the interference of aperture scattering in QZ was further suppressed by optimizing the additional phase shift (APS). As an example, a Circular transmitarray (TA) with the dimension of 91mm was designed, which verifies the mechanism of interferences suppressing.

引用

页数：3

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