Abstract
Abstract We present a design of the deployable lightweight antenna to be used in the satellite satisfying the required performance of the onboard sensor. The analysis is performed on the SAR antenna requirements, deploying techniques including material selection, and the characterization of deployable antenna with central disk. The performance of the solid deployable antennas and the mesh antennas are simulated, and the CFRP(Carbon Fiber Reinforced Plastics) samples are manufactured and tested. It is confirmed that the deployable antennas with central disk can meet the required performance by using deploying panels or mesh.Key words: Spaceborne Antenna, Deployable Antenna, Lightweight Antenna, SAR, CFRP I3JK#LMN&,JOP7QRSTU7K#-VJWXYU7JZF.[ K \]^V_\] `.abcd]Ve(School of Electronics, Telecommunication and Computer Engineering, Korea Aerospace University) fManuscript received October 10, 2014 ; Revised October 31, 2014 ; Accepted November 4, 2014. (ID No. 20141010-03I)fCorresponding Author: Taek-Kyung Lee (e-mail: tklee@kau.ac.kr)
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