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http://dx.doi.org/10.17661/jkiiect.2018.11.1.12

A Study on the Design and Implementation of SHF band Antenna for Digital Satellite Communication  

Kim, Ki-Jung (HW Team(Radar) Hanwha System)
Han, Jun-Yong (HW Team(Radar) Hanwha System)
Publication Information
The Journal of Korea Institute of Information, Electronics, and Communication Technology / v.11, no.1, 2018 , pp. 12-17 More about this Journal
Abstract
This study describes the design and implementation of Antenna for Digital Satellite Communication. The Antenna unit for SHF band consists of Reflector, Septom Polarizer, Feed Horn and Support Frame etc. Thought analysis of space environment before production, the possibility of the malfunction of equipment minimized and we designed a reliable Antenna through simulation for vibration and thermal analysis generated during the launch, and compared pre-simulation of main performance results to test results about main performances of Antenna after production. After fabricating the antenna, the maximum gain of the antenna main beam is 36.5dBi, which satisfies the requirement of 35dBi or more, and it also satisfies the requirement of -20dB for return loss of less than -24dB. Also, the isolation of the transmission and reception of the antenna is -22.6dB or less, which satisfies the requirement of -20dB or less. The antenna for digital satellite communication described in this paper can be used in the satellite field of geostationary earth orbit and low earth orbit requiring high reliability in the future.
Keywords
Digital Satellite Communication; Antenna; Space Environment; Return loss; Gain; Isolation;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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