Journal of electromagnetic engineering and science

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
권호 표지

Design of Microstrip Array Antenna with Three-Element Sequential-Rotation Subarray for DBS

  • Jin, Kyung-Soo (Dept. of Electronic Information Eng., Chungbuk Provincial Univ. of Science & Technology) ;
  • Shin, Hye-Jung (School of Electrical & Electronic Eng., Chungbuk National University) ;
  • Park, Byong-Woo (School of Electrical & Electronic Eng., Chungbuk National University)
  • Published : 2002.05.01
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Abstract

The LHCP circularly polarized antenna operating at DBS band is developed by employing the sequential-rotation technique in which each subarray is comprised the three truncated-corner patch square element. Antenna designed with sequentially-related technique whose M=3, p=2 has the effect of improved axial-ratio bandwidth, cross-polarization etc. And it is proved that the degradation of radiation pattern can be reduced significantly by minimizing the radiation loss of feeding line structure. Antenna designed shows extremely low side lobe level of below - 25 dB in the diagonal plane and cross-polarization level of below -20 dB in the all plane. And these performances comply with the array antenna specification for DBS.

Keywords

References

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