한국항해항만학회:학술대회논문집 (Proceedings of the Korean Institute of Navigation and Port Research Conference)

한국항해항만학회 (Korean Institute of Navigation and Port Research)
권호 표지

Study on the Real-Time Precise Orbit Biases Correction Technique for the GPS/VRS Network

  • Li, Cheng-Gang (Center of Geomatic research, Southwest Jiaotong University) ;
  • Huang, Ding-Fa (Center of Geomatic research, Southwest Jiaotong University) ;
  • Zhou, Dong-Wei (Center of Geomatic research, Southwest Jiaotong University) ;
  • Zhou, Le-Tao (Center of Geomatic research, Southwest Jiaotong University) ;
  • Xiong, Yong-Liang (Center of Geomatic research, Southwest Jiaotong University) ;
  • Xu, Rui (Center of Geomatic research, Southwest Jiaotong University)
  • 발행 : 2006.10.18
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

A precise real-time method of using the IGS ultra rapid products (IGU) and the GPS broadcast ephemeris to calculate the VRS orbit corrections was presented here which was suited for GPS/VRS reference station network based positioning. Test data acquired from both the SGRSN (Sichuan GPS Reference Station Network) and SCIGN (Southern California integrated GPS network) were used to evaluate the performance of the modeling techniques. The new method was proven to be more precise and reliable compared with the existing conventional network-based orbit error interpolation method. It was shown that 0.004ppm relative accuracy was reached, namely the influence from the orbit bias for the RTK positioning within 100km area can be of sub-millimeter level.

키워드