期刊
SENSORS
卷 22, 期 15, 页码 -出版社
MDPI
DOI: 10.3390/s22155503
关键词
high-gain antenna; low RCS; axis ratio bandwidth; beam pattern
资金
- National Natural Science Foundation of China [62171460, 61801508]
- Natural Science Basic Research Program of Shaanxi Province, China [2020JM-350, 20200108, 20210110, 2020022]
- Postdoctoral Innovative Talents Support Program of China [BX20180375, 2019M653960]
This paper presents a novel design method of circularly polarized folded transmitarray antenna (CPFTA) using sequential rotation technology, which significantly reduces design difficulty and improves axis ratio (AR) bandwidth. Experimental results show good agreements between simulated and measured results, and the proposed NCPFTA achieves integrated radiation and scattering control for the first time. The advantages of the NCPFTA include broadband, high gain, planar structure, low profile, convenience in installation, and low radar cross section (RCS), making it potentially useful in mobile satellite communication.
In this paper, a novel design method of circularly polarized folded transmitarray antenna (CPFTA) is presented by applying sequential rotation technology. Compared with the general design method, the novel design method can reduce the design difficulty and improve the axis ratio (AR) bandwidth significantly without adding any additional structure. To verify the proposed method, both a general CPFTA (GCPFTA) and a novel CPFTA (NCPFTA) are designed, fabricated, measured and compared. Good agreements between simulated and measured results are obtained. Thanks to the creative design, the integrated radiation and scattering control of the CPFTA is realized for the first time. The proposed NCPFTA has the advantages of broadband, high gain, planar structure, low profile, convenience in installation and low radar cross section (RCS), which has potential application in mobile satellite communication.
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