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Circularly polarized ferrite patch antenna for LEO satellite applications

  • E. Arnaud (a1), L. Huitema (a1), R. Chantalat (a2), A. Bellion (a3) and T. Monediere (a1)...

Abstract

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° irrespective of the azimuth angle (φ).

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Corresponding author

Author for correspondence: E. Arnaud, E-mail: eric.arnaud@xlim.fr

References

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Keywords

Circularly polarized ferrite patch antenna for LEO satellite applications

  • E. Arnaud (a1), L. Huitema (a1), R. Chantalat (a2), A. Bellion (a3) and T. Monediere (a1)...

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