지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 사단법인 항법시스템학회 Journal of Positioning, Navigation, and Timing Journal of Positioning, Navigation, and Timing 제2권 제1호
- 발행연도
- 2013.1
- 수록면
- 9 - 17 (9page)
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초록· 키워드
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In this paper, a pseudorange correction regeneration algorithm was developed to improve the positioning accuracy of DGPS using multi-reference stations, and the optimal minimum number of reference sites was determined by trying out different numbers of reference. This research was conducted using from two to five sites, and positioning errors of less than 1 m were obtained when pseudorange corrections are collected from at least four reference stations and interpolated as the pseudorange correction at the rover. After determining the optimal minimum number of reference stations, the pseudorange correction regeneration algorithm developed was tested by comparison with the performance of other algorithms. Our approach was developed based on an exponential model. If pseudorange corrections are regenerated using an exponential model, the effect of a small difference in the baseline distance can be enlarged. Therefore, weights can be applied sensitively even when the baseline distance differs by a small amount. Also weights on the baseline distance were applied differently by assigning weights depending on the difference of the longest and shortest baselines. Through this method, the positioning accuracy improved by 19% compared to the result of previous studies.
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참고문헌 (11)
참고문헌 신청
Abousalem, M. A / 1997 / Performance Overview of Two WADGPS Algorithms / GPS World 8 : 48 ~ 58
Bae, J. S. / 2003 / Application and Implementation of IDGPS using Virtual Reference Station / Journal the Korean Society for Aeronautical & Space Sciences 15 : 432 ~ 435
Loomis, T. / 1991 / Differential GPS Network Design / 1991 ION
Mueller, T. / 1994 / Minimum Variance Network DGPS Algorithm / 1994 TAU Corporation
Tang, W. / 1989 / Differential GPS Operation with Multiple Ground Reference Stations / 1989 ION
Bae, J. S. / 2003 / Application and Implementation of IDGPS using Virtual Reference Station / Journal the Korean Society for Aeronautical & Space Sciences 15 : 432 ~ 435
Loomis, T. / 1991 / Differential GPS Network Design / 1991 ION
Mueller, T. / 1994 / Minimum Variance Network DGPS Algorithm / 1994 TAU Corporation
Tang, W. / 1989 / Differential GPS Operation with Multiple Ground Reference Stations / 1989 ION
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