Circularly polarized ferrite patch antenna for LEO satellite applications

被引：9

作者：

Arnaud, E. ^{[1
]}

Huitema, L. ^{[1
]}

Chantalat, R. ^{[2
]}

Bellion, A. ^{[3
]}

Monediere, T. ^{[1
]}

机构：

[1] CNRS, XLIM, 123 Ave Albert Thomas, F-87060 Limoges, France

[2] CISTEME, 12 Rue Gemini, F-87069 Limoges, France

[3] CNES, 18 Ave Edouard Belin, F-31401 Toulouse, France

来源：

INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES | 2020年 / 12卷 / 04期

关键词：

Circularly polarized patch antenna; ferrite substrate; space applications; MICROSTRIP ANTENNAS; RADIATION; DESIGN;

D O I：

10.1017/S1759078719001429

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：

This paper presents the capacity of an S band circularly polarized patch antenna using a ferrite material for low-earth orbiting satellites (2025-2100 MHz for TeleCommand) to obtain a semi-isotropic radiation pattern. Indeed, circularly polarized antennas are generally large and bulky which is often incompatible for spatial applications especially for small satellites. A new antenna design is proposed with the following maximum dimensions: a diameter of 80 mm and a height of 12 mm. The structure presents an axial ratio lower than 6 dB (according to requirements) and a realized gain higher than -6 dB over a 4% bandwidth at the limit of coverage i.e. 90 degrees irrespective of the azimuth angle (phi).

引用

页码：332 / 338

页数：7

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