한국항공운항학회지 (Journal of the Korean Society for Aviation and Aeronautics)

  • 제21권2호
  • /
  • Pages.33-39
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  • 2013
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  • 1225-9705(pISSN)
  • /
  • 2466-1791(eISSN)
한국항공운항학회 (The Korean Society for Aviation and Aeronautics)
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평면 비행중인 항공기의 쌍곡선 위치 추정 연구

Hyperbolic Location Estimation of Aircraft with Motion in a Plane

  • 조상훈 (한국항공대학교 항공체계시험인증연구센터) ;
  • 강자영 (한국항공대학교 항공체계시험인증연구센터)
  • 투고 : 2013.06.08
  • 심사 : 2013.06.21
  • 발행 : 2013.06.30
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초록

Multilateration(MLAT) may complement secondary surveillance radar and also act as a real-time backup for the ADS-B system. This System is using time difference of arrival (TDOA) and based on triangulation principle. Each TDOA measurement defines a hyperbola describing possible aircraft locations. The accuracy in MLAT system depends on the positional relationship of the receiver and aircraft. There are various algorithms to localize aircraft based on TOA estimation. In this paper, we use least square method and extended Kalman filter and compare their results. Study results show that the extend Kalman filter provides a better performance than the least square method.

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참고문헌

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