CubeSat Deployable Ka-Band Mesh Reflector Antenna Development for Earth Science Missions
CubeSats are positioned to play a key role in Earth Science, wherein multiple copies of the same RADAR instrument are launched in desirable formations, allowing for the measurement of atmospheric processes over a short evolutionary timescale. To achieve this goal, such CubeSats require a high-gain a...
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Veröffentlicht in: | IEEE transactions on antennas and propagation 2016-06, Vol.64 (6), p.2083-2093 |
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creator | Chahat, Nacer Hodges, Richard E. Sauder, Jonathan Thomson, Mark Peral, Eva Rahmat-Samii, Yahya |
description | CubeSats are positioned to play a key role in Earth Science, wherein multiple copies of the same RADAR instrument are launched in desirable formations, allowing for the measurement of atmospheric processes over a short evolutionary timescale. To achieve this goal, such CubeSats require a high-gain antenna (HGA) that fits in a highly constrained volume. This paper presents a novel mesh deployable Ka-band antenna design that folds in a 1.5 U (10 × 10 × 15 cm 3 ) stowage volume suitable for 6 U (10 × 20 × 30 cm 3 ) class CubeSats. Considering all aspects of the deployable mesh reflector antenna including the feed, detailed simulations and measurements show that 42.6-dBi gain and 52% aperture efficiency is achievable at 35.75 GHz. The mechanical deployment mechanism and associated challenges are also described, as they are critical components of a deployable CubeSat antenna. Both solid and mesh prototype antennas have been developed and measurement results show excellent agreement with simulations. |
doi_str_mv | 10.1109/TAP.2016.2546306 |
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subjects | Antenna measurements Antennas Computer simulation Cubesat CubeSat antenna Deep Space communications deployable antenna Deployable structures Earth Science Earth sciences Feeds Finite element method high gain antenna horn mesh reflectors Radar Radar antennas reflector antenna Reflector antennas remote sensing Space vehicles Spacecraft telecommunication |
title | CubeSat Deployable Ka-Band Mesh Reflector Antenna Development for Earth Science Missions |
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