SIS Error Statistical Analysis of Beidou Satellite Navigation System

ZHANG Qinghua; SUI Lifen; JIA Xiaolin; ZHU Yongxing

doi:10.13203/j.whugis20120062

Volume 39 Issue 3

Mar. 2014

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Geomatics and Information Science of Wuhan University > 2014 > 39(3): 271-274. > DOI: 10.13203/j.whugis20120062

ZHANG Qinghua, SUI Lifen, JIA Xiaolin, ZHU Yongxing. SIS Error Statistical Analysis of Beidou Satellite Navigation System[J]. Geomatics and Information Science of Wuhan University, 2014, 39(3): 271-274. DOI: 10.13203/j.whugis20120062

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SIS Error Statistical Analysis of Beidou Satellite Navigation System

¹Institute of Geographical Spatial Information,Information Engineering University,Zhengzhou 450052,China;²State Key Laboratory of Geographic Information Engineering,Xi’an 710054,China;³Xi’an Research Institute of Surveying and Mapping,Xi’an 710054,China

Funds: The National Natural Science Foundation of China,Nos.41274016,41174006,40974010;the IEU PhD InnovationFund(2013-02-01).

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ZHANG Qinghua,PhD candidate,specializes in the theories and methods of GNSS navigation.
Received Date: April 06, 2013
Revised Date: March 04, 2014
Published Date: March 04, 2014

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Objective For in-orbit Beidou satellites,we make use of precise orbit for broadcast ephemeris SIS erroranalysis.We not only estimate SISURE,but also take correlation analysis and normality test.Through observational data of October 2012we find that the average SISURE is 1.45m;the R-TandT-N have low correlation,while among the other components are micro-correlation.We also find thatnearly all the SIS error components do not fit the normal distribution,and large errors can be detectedby kurtosis abnormal values,while systematic bias can be detected by skewness abnormal values.
- Beidou satellite navigation system,
- SISURE,
- correlation,
- normality,
- kurtosis,
- skewness

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