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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국우주과학회 Journal of Astronomy and Space Sciences Journal of Astronomy and Space Sciences 제36권 제4호
- 발행연도
- 2019.1
- 수록면
- 249 - 264 (16page)
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초록· 키워드
오류제보하기
In this study, the precise orbit determination (POD) software is developed for optical observation. To improve the performance of the estimation algorithm, a nonlinear batch filter, based on the unscented transform (UT) that overcomes the disadvantages of the least-squares (LS) batch filter, is utilized. The LS and UT batch filter algorithms are verified through numerical simulation analysis using artificial optical measurements. We use the real optical observation data of a low Earth orbit (LEO) satellite, Cryosat-2, observed from optical wide-field patrol network (OWL-Net), to verify the performance of the POD software developed. The effects of light travel time, annual aberration, and diurnal aberration are considered as error models to correct OWL-Net data. As a result of POD, measurement residual and estimated state vector of the LS batch filter converge to the local minimum when the initial orbit error is large or the initial covariance matrix is smaller than the initial error level. However, UT batch filter converges to the global minimum, irrespective of the initial orbit error and the initial covariance matrix.
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참고문헌 (15)
참고문헌 신청
Jin Choi / 2018 / Optical Tracking Data Validation and Orbit Estimation for Sparse Observations of Satellites by the OWL-Net / Sensors 18(6):1868
Grewal MS / 2008 / Kalman Filtering: Theory and Practice Using MATLAB / Wiley
Haykin S / 2001 / Kalman Filtering and Neural Networks / Wiley
Hughes SP / 2014 / Verification and validation of the general mission analysis tool (GMAT) / 2014 AIAA/AAS Astrodynamics Specialist Conference
Deok-Jin Lee / 2007 / Sigma Point Filtering for Sequential Orbit Estimation and Prediction / Journal of Spacecraft and Rockets 44(2):388~398
Grewal MS / 2008 / Kalman Filtering: Theory and Practice Using MATLAB / Wiley
Haykin S / 2001 / Kalman Filtering and Neural Networks / Wiley
Hughes SP / 2014 / Verification and validation of the general mission analysis tool (GMAT) / 2014 AIAA/AAS Astrodynamics Specialist Conference
Deok-Jin Lee / 2007 / Sigma Point Filtering for Sequential Orbit Estimation and Prediction / Journal of Spacecraft and Rockets 44(2):388~398
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