A study on differential GPS corrections estimated using the EMD method

Shiou Gwo Lin, Chih Wen Hsiao, Hao Yu Wang, Kun Hong Tsai, Shuen De Wu

研究成果: 雜誌貢獻文章同行評審

摘要

The error sources of GPS include satellite errors (ephemeris error and satellite clock error), atmospheric errors (ionospheric error and troposheric error) and receiver errors (clock error, multipath error, interference error and thermal noise). The DGPS technique can reduce most of satellite and atmospheric errors. This reducing can significantly improve the accuracy of GPS positioning. The DGPS requires high quality GPS receiver at known reference stations and estimate the errors for each satellite in view. This correction is broadcast to all DGPS users by the Internet using the NTRIP standard. In this paper, a novel DGPS corrections estimation method based on EMD is proposed. The method is illustrated on real and simulated data, and the results are show great capability to reduce the effect of multipath and interference.

原文英語
頁(從 - 到)91-97
頁數7
期刊Hangkong Taikong ji Minhang Xuekan/Journal of Aeronautics, Astronautics and Aviation, Series B
44
發行號2
DOIs
出版狀態已發佈 - 2012 十月

ASJC Scopus subject areas

  • Space and Planetary Science
  • Aerospace Engineering

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