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High Gain Circularly Polarized S-Band Patch Antenna for Small Satellite Applications

Publication Date - 2017-08-31 00:00:00

Publication Title : High Gain Circularly Polarized S-Band Patch Antenna for Small Satellite Applications

Publicationed By : Chinmay Bepery

Publication Publication Date : 2017-08-31 00:00:00

Publication Online Link : http://www.irsbd.org/welcome/full_article/41

Publication Description :

In  this  paper,  a  circularly  polarized  compact,  high  gain  printed  antenna  is   adduced  for  the  small  satellite  communication  system.  For  the  analysis   process,  Computer  Simulation  Software  (CST)  microwave  studio  and  High-Frequency  Structural  Simulator  (HFSS)  have  been  used.  The  anticipated   antenna  consists  of  a  truncated  corner  cut  patch  with  a  T-shaped  slot  in  the   ground  plane.  CST  and  HFSS  both  simulation softwares have  been  justified   the axial ratio and reflection coefficient result. The CST and HFSS simulated   results show that the obtained impedance bandwidths are 130 MHz (2.30 -2.43   GHz) and 140 MHz (2.28 – 2.43 GHz) respectively which is good enough for   S-band satellite applications. Substrate material FR-4 (lossy) with a dielectric   constant  of  4.6  and  width  of  1.6  mm  has  been  used  to  print  the  antenna.  An   axial  ratio  of  3  dB  beamwidth  more  than  160°  displayed  by  the  proposed   antenna. 



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