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http://dx.doi.org/10.5515/KJKIEES.2017.28.8.603

Effects on Performance of Deployable Solid Antenna for Panel Misalignment  

Lee, Ji-Yong (School of Electronics and Information Engineering, Korea Aerospace University)
Lee, Kyo-Il (School of Electronics and Information Engineering, Korea Aerospace University)
Yoon, Seong-Sik (School of Electronics and Information Engineering, Korea Aerospace University)
Lee, Taek-Kyung (School of Electronics and Information Engineering, Korea Aerospace University)
Lee, Jae-Wook (School of Electronics and Information Engineering, Korea Aerospace University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.28, no.8, 2017 , pp. 603-609 More about this Journal
Abstract
In the deployable solid surface antennas, the effects on the performances of antenna due to the structural errors that occur during the deployment are analyzed. The deployable solid surface antennas employed in a satellite are launched in folded configuration and those are deployed in the space environment, and the effects on the antenna performance are calculated depending on the type of surface errors. When the deviation error occurs in one panel, the degradation of performance appears in the side where the incomplete deployment of panel occurs. By assuming that the panel error distribution is in cosine function, the effect of errors are calculated and analyzed with regard to the types and the magnitude of the error. If the antena panel error is uniform, the gain is reduced and pattern is symmetric. For the panel error of cosine 1 or 3 cycle, the main lobe tilts while the pattern is symmetric and the gain reduces for 2 or 4 cycle error.
Keywords
Deployable Antenna; Panel Misalignment; Reflector Antenna; Solid Surface Antenna;
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