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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국우주과학회 Journal of Astronomy and Space Sciences Journal of Astronomy and Space Sciences 제33권 제1호
- 발행연도
- 2016.3
- 수록면
- 45 - 54 (10page)
- DOI
- http://dx.doi.org/10.5140/JASS.2016.33.1.45
이용수
초록· 키워드
오류제보하기
This study developed an approach for improving Carrier-phase Differential Global Positioning System (CDGPS) based realtime satellite relative navigation by applying laser baseline measurement data. The robustness against the space operational environment was considered, and a Synthetic Wavelength Interferometer (SWI) algorithm based on a femtosecond laser measurement model was developed. The phase differences between two laser wavelengths were combined to measure precise distance. Generated laser data were used to improve estimation accuracy for the float ambiguity of CDGPS data.
Relative navigation simulations in real-time were performed using the extended Kalman filter algorithm. The GPS and laser-combined relative navigation accuracy was compared with GPS-only relative navigation solutions to determine the impact of laser data on relative navigation. In numerical simulations, the success rate of integer ambiguity resolution increased when laser data was added to GPS data. The relative navigational errors also improved five-fold and two-fold, relative to the GPS-only error, for 250 m and 5 km initial relative distances, respectively. The methodology developed in this study is suitable for application to future satellite formation-flying missions.
목차
등록된 정보가 없습니다.
참고문헌 (15)
참고문헌 신청
Simone D'Amico / 2013 / Autonomous formation flying based on GPS — PRISMA flight results / Acta Astronautica 82(1):69~79
Hofmann-Wellenhof B / 2001 / GPS Theory and Practice / Springer
Yoon-Soo Jang / 2014 / Absolute distance measurement with extension of nonambiguity range using the frequency comb of a femtosecond laser / Optical Engineering 53(12):122403
정신원 / 2012 / Real-Time Determination of Relative Position Between Satellites Using Laser Ranging / Journal of Astronomy and Space Sciences 29(4):351~362
R. E. Kalman / 1960 / A New Approach to Linear Filtering and Prediction Problems / Journal of Basic Engineering 82(1):35
Hofmann-Wellenhof B / 2001 / GPS Theory and Practice / Springer
Yoon-Soo Jang / 2014 / Absolute distance measurement with extension of nonambiguity range using the frequency comb of a femtosecond laser / Optical Engineering 53(12):122403
정신원 / 2012 / Real-Time Determination of Relative Position Between Satellites Using Laser Ranging / Journal of Astronomy and Space Sciences 29(4):351~362
R. E. Kalman / 1960 / A New Approach to Linear Filtering and Prediction Problems / Journal of Basic Engineering 82(1):35
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