X-band compact dual circularly polarized isoflux antenna for nanosatellite applications

被引：6

作者：

Arnaud, Eric ^{[1
]}

Menudier, Cyrille ^{[1
]}

Fouany, Jamil ^{[1
]}

Monediere, Thierry ^{[1
]}

Thevenot, Marc ^{[1
]}

机构：

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

来源：

INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES | 2017年 / 9卷 / 07期

关键词：

Nanosatellite application; Dual circular polarization; Compact choke horn; Patch antenna; Isoflux radiation pattern; MICROSTRIP ANTENNA; PRIMARY FEED;

D O I：

10.1017/S1759078716001410

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 an original solution to design a compact dual circularly polarized isoflux antenna for nanosatellite applications. This kind of antenna has been previously designed in our laboratory, for a single circular polarization. This antenna is composed of a dual circularly polarized feed and a choke horn antenna. This feed is a cross-shaped slot in the ground plane, which provides coupling between a patch and a ring microstrip line with two ports. It is located at the center of a choke horn antenna. The simulated antenna presents an axial ratio <3 dB and a realized gain close to 0 dB over a 400 MHz bandwidth (8.0-8.4 GHz) at the limit of coverage, i.e. 65 degrees whatever the azimuth angle (phi) and the port. A 20 dB matching for each port and 13 dB isolation characteristics between the two ports have been achieved on this bandwidth. It has been realized and successfully measured.

引用

页码：1509 / 1516

页数：8

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