한국군사과학기술학회지 (Journal of the Korea Institute of Military Science and Technology)

  • 제14권1호
  • /
  • Pages.1-8
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  • 2011
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  • 1598-9127(pISSN)
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  • 2636-0640(eISSN)
한국군사과학기술학회 (The Korea Institute of Military Science and Technology)
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곡면에 부착 가능한 GPS/GLONASS 마이크로스트립 능동 안테나

GPS/GLONASS Microstrip Active Antenna Apply to Curve Surface

  • 투고 : 2010.10.22
  • 심사 : 2011.01.20
  • 발행 : 2011.02.05
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초록

In this paper, dual-feed circularly polarized microstrip patch antenna for GPS L1, GPS L2, GLONASS L1 signal was fabricated by using stacked patch. It was fed by dual coaxial probe on the patch at 50ohm impedance, and was simulated to resonate at GPS L1, GPS L2, GLONASS L1. To realize characteristics of right hand circular polarization using dual-feed stacked patch antenna and hybrid coupler for $90^{\circ}$ phase difference. Output of hybrid coupler was contacted input of Low Noise Amplifier(LNA). The LNA using dual band pass filter was designed and fabricated. The measured results of the implemented antenna is VSWR < 1.5 : 1 and the gain of 32dB(Zenith) over at GPS L1, L2, GLONASS L1.

키워드

참고문헌

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