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시계 바이어스 변화율을 이용한 반송파 DGPS의 성능 향상 : Performance Improvement of Carrier phase DGPS Using Clock Bias Drift
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- Authors
- Issue Date
- 2005-12
- Citation
- 한국항공우주학회지, 제33권 제12호, 2005, pp.61~67
- Keywords
- CDGPS ; Clock bias drift ; Cycle slip ; Doppler ; 반송파 보정항법 시스템 ; 시계 바이어스 변화율 ; 측정치 제거 ; 사이클 슬립 ; 도플러 천이 ; Measurement rejection
- Abstract
- This paper presents the carrier phase DGPS method providing a stable navigation solution under the condition of frequent blockage of the GPS signa ls. The proposed
algorithm reject the channels having large errors usin g a clock bias dr ift and then
calculated the more accurate solution. By investigating the relation between visible
satellites' elevation and their clock bias dr ift, a proper thr eshold is set. Simulation shows that the presented result is as good as that of commercial system with real data.
- ISSN
- 1225-1348
- Language
- Korean
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