Optimization of a Dual-Band Helical Antenna for TTC Applications at S Band

被引：24

作者：

Gonzalez, Ivan ^{[1
]}

Gomez, Josefa ^{[1
]}

Tayebi, Abdelhamid ^{[1
]}

Catedra, Felipe ^{[1
]}

机构：

[1] Univ Alcala de Henares, Dept Comp Sci, Madrid 28871, Spain

来源：

IEEE ANTENNAS AND PROPAGATION MAGAZINE | 2012年 / 54卷 / 04期

关键词：

Helical antennas; satellite antennas; dual band; telemetry; moment methods; optimization;

D O I：

10.1109/MAP.2012.6309158

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 compact dual-band equatorial helical antenna for TTC (telemetry, tracking, and control) applications in satellites is presented. The network feeding system of the antenna was also designed, analyzed, and measured to achieve circular polarization. A Moment Method code was used to evaluate the performance of both the helical antenna and the feed-circuit network. The whole system was optimized to fulfill rather strict specifications, while maintaining quite small size and weight. A prototype of the helical antenna was fabricated and measured. The design process of the geometrical model, and comparisons between the predicted and measured values, are presented. The results led to the conclusion that it is a very suitable antenna for operating at S band.

引用

页码：63 / 77

页数：15

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