Impact of Sample Rate of GPS Satellite Clock and Observation Data on LEO GPS-Based Precise Orbit Determination

TIAN Yingguo; HAO Jinming; CHEN Mingjian; YU Heli; HENG Peishen

doi:10.13203/j.whugis20150591

Volume 42 Issue 12

Dec. 2017

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Geomatics and Information Science of Wuhan University > 2017 > 42(12): 1792-1796. > DOI: 10.13203/j.whugis20150591

TIAN Yingguo, HAO Jinming, CHEN Mingjian, YU Heli, HENG Peishen. Impact of Sample Rate of GPS Satellite Clock and Observation Data on LEO GPS-Based Precise Orbit Determination[J]. Geomatics and Information Science of Wuhan University, 2017, 42(12): 1792-1796. DOI: 10.13203/j.whugis20150591

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Impact of Sample Rate of GPS Satellite Clock and Observation Data on LEO GPS-Based Precise Orbit Determination

1.
School of Navigation and Aerospace Engineering, Information Engineering University, Zhengzhou 450001, China
2.
The Yellow River Bureau of Surveying and Mapping, Zhengzhou 450000, China

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TIAN Yingguo, PhD candidate, specializes in LEO satellite precise orbit determination. E-mail: tianyg1987@sina.com
Received Date: October 11, 2015
Published Date: December 04, 2017

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The influence of GPS precise clock and observation data sampling internal on LEO kinematic and reduced-dynamic precise orbit determination (POD) was analyzed. The several experiments of LEO POD were carried out respectively by using the 30 s or 5 s sampling interval GPS precise clock from CODE and the 30 s or 10 s GPS observation data. The results show that 5 s GPS clock and 10 s observation data comparing with 30 s clock and 30 s observation data, the accuracy of reduced-dynamic POD is improved by 16%, and the kinematic POD is 8.8%. The accuracy of LEO POD is the worst by using 10 s observation data and 30 s GPS clock. For 30 s observation data, the accuracy of LEO POD by using 30 s GPS clock is consistent with 5 s GPS clock products from CODE.
- GPS satellite precise clocks,
- sample interval,
- precise orbit determination for LEO satellite

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Impact of Sample Rate of GPS Satellite Clock and Observation Data on LEO GPS-Based Precise Orbit Determination

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