Title :
Optimization of complex excitation of array-fed elements for communications and broadcasting large reflector satellite anntenna
Author :
Yun, Sohyeunn ; Uhm, Manseok ; Yom, Inbok
Author_Institution :
RF & Satellite Payload Res. Team, Electron. & Telecommun. Res. Inst., Daejeon, South Korea
Abstract :
The design of a antenna for the Korean Peninsula is presented. 30 m class large reflector and feed array system with 25 elements for both communication and broadcasting is optimally designed by Geometrical Optics (GO) and Physical Optics (PO). The antenna radiation pattern by the optimal complex excitation is described. The influence of failed component on the antenna performance is analyzed and the broken radiation pattern is improved by re-optimization.
Keywords :
antenna arrays; antenna radiation patterns; direct broadcasting by satellite; geometrical optics; physical optics; reflector antenna feeds; satellite antennas; GO; Korean Peninsula; PO; antenna design; antenna radiation pattern; class large reflector feed array system; complex excitation optimization; geometrical optics; large reflector satellite antenna; physical optics; size 30 m; Antenna radiation patterns; Arrays; Feeds; Reflector antennas; Satellite broadcasting; Satellites; array fedreflector; large reflector; multibeam; satellite antenna; shaped beam;
Conference_Titel :
Antennas and Propagation (APSURSI), 2011 IEEE International Symposium on
Conference_Location :
Spokane, WA
Print_ISBN :
978-1-4244-9562-7
DOI :
10.1109/APS.2011.6058693
