The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Analysis of a Circular Microstrip Patch Antenna with Dielectric Superstrate using the Rigorous Probe Feed Model

정확한 급전 구조를 고려한 레이돔 원형 패치 안테나 해석

  • 최동혁 (한국정보통신대학원대학교 공학부) ;
  • 박경빈 (한국정보통신대학원대학교 공학부) ;
  • 박성욱 (한국정보통신대학원대학교 공학부)
  • Published : 2000.09.01
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Abstract

In order to analyze the effect of a cover layer or radome for an antenna, the moment method is applied to the analysis of the circular microstrip patch antenna with dielectric superstrate fed by coaxial probe. The probe feed is modeled as a attachment mode method which can solve more exact analysis. In case of a ideal probe feed modeling, the probe self-impedance as well as the rapidly-varying patch current at the vicinity of the feed point was neglected. But a rigorous probe feed model which overcomes these deficiencies are developed, and used in the analysis of isolated circular patches. Measurements were performed to validate the numerical results. These are good agreement with each other.

본 논문에서는 프로브로 급전되는 단일 원형 마이크로스트립 안테나 위에 게이돔과 같은 또 다른 유전체가 씌어져 있는 구조에 대해서 모멘트 법을 이용하여 해석을 하였다. 급전 구조의 정확한 해석을 위하여 어태치먼트 모드를 이용하여 패치와 급전겅에서의 전류의 연속성을 보장해 줌으로써, 급전점에서 급격히 변하는 전류성분들을 표현할 수 있었다. 해석된 결과는 실험을 통하여 검증되었고, 서로 잘 일치하고 있음을 확인할수 있었다.

Keywords

References

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