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 Millimeter Wave Microstrip Patch Antennal Using FDTD Method

시간영역 유한차분법을 이용한 밀리미터파대 마이크로스트립 패치 안테나 해석

  • Published : 1998.10.01
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Abstract

This paper is to verify the availability of the finite difference time domain (FDTD) method for the analysis of millimeter wave microstrip patch antenna. Using this method, the size of the microstrip patch antenna resonating at 32.153 GHz is optimized and the input impedance, the voltage standing wave ratio and the radiation pattern are calculated. The resonance frequencies of the microstrip patch antenna are calculated by MOM and FDTD method and then compared with the measured results, showing the difference of 12.27% and 1.27% respectively. Also, the bandwidth of this Ka-band patch antenna is about 8% which is similar to the case of X-band.

밀리미터파대 마이크로스트립 패치 안테나 해석에 시간영역 유한차분법 (FDTD)의 적용 가능성올 입증하였다. 이 방법을 이용하여 32.153 GHz에서 공진하는 마이크로스트립 patch 안테나의 크기를 최척화하고, 입력 임피던스, 정재파비와 복사패턴올 계산하였다. MOM (method of moment)과 FDTD 방법에 의해 계산된 마이크 로스트립 패치 안테나의 공진 주파수를 측정값과 비교한 결과, 각각의 차이가 12.27 %와 1.23%이었다. 또한 이 Ka-밴드 패치 안테나의 대역폭은 X밴드에서와 같이 약 8%이었다.

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References

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