A new deployment concept for a space based SAR antenna

Details A new deployment concept for a space based SAR antenna A new deployment concept for a space based SAR antenna

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.524..139v&link_type=abstract

In: Proceedings of the 10th European Space Mechanisms and Tribology Symposium, 24-26 September 2003, San Sebastián, Spain. Compi

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Deployment Mechanisms

Scientific paper

SAOCOM is an argentine satellite which main instrument is a Synthetic Aperture Radar (SAR). The 25 m2 SAR antenna is divided in seven panels, the middle one attached by a specific support structure to the satellite bus and two lateral wings with three deployable panels each. The deployment concept for the antenna wings is presented in this paper, being its main advantages: a very simple design with no need of additional support structures like deployable frames on the back of the antenna; minimizes the antenna mass complying with strength and stiffness requirements and the radiant surfaces of the different panels do not face each other in the stowed configuration, facilitating the use and location of snubbers to achieve the required dynamical characteristics.

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