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A Roll Rate Estimation Method Using GNSS Signals for Spinning Vehicles

GNSS 신호를 이용한 회전체의 롤 회전 속도 추정 기법

  • 김정원 (한국항공우주연구원) ;
  • 조종철 (㈜한양네비콤) ;
  • 황동환 (충남대학교 전기정보통신공학부) ;
  • 이상정 (충남대학교 전기정보통신공학부)
  • Published : 2008.07.01

Abstract

This paper proposes a roll rate estimation method for spinning vehicles. The carrier phase and frequency variations caused by spinning of vehicles are observed and the roll rate estimator is designed on the observation. The roll rate estimator consists of phase detector and zero crossing counter. The phase detector computes phase variation using in-phase and quadrature value from the correlator. By using zero crossing counter, the roll rate can be estimated since the output of phase detector is changed in proportion to the roll rate. Experiment a results show that estimated roll rate error is smaller than 0.0578Hz.

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