YIN Haitao, GAN Weijun, XIAO Genru. Modified Sidereal Filter and Its Effect on High-rate GPS Positioning[J]. Geomatics and Information Science of Wuhan University, 2011, 36(5): 609-611.
Citation: YIN Haitao, GAN Weijun, XIAO Genru. Modified Sidereal Filter and Its Effect on High-rate GPS Positioning[J]. Geomatics and Information Science of Wuhan University, 2011, 36(5): 609-611.
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Modified Sidereal Filter and Its Effect on High-rate GPS Positioning

    Abstract
  • The normal sidereal filter is modified,and a way to calculate the mean satellite orbit period by dividing broadcast ephemeris is provided,which is checked through comparison with examples.From the results we can see that,compared to the pre-revision sidereal filter,the modified one can improve the positioning accuracy more efficiently,the accuracy of NEU directions are increased 4.5%,5.2% and 6.2% respectively,and it has better performance between frequencies of 0.001-0.08 Hz.
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