Geometric dilution of precision for GPS single-point positioning based on four satellites |
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| Authors: | Wang Huihui Zhan Xingqun Zhang Yanhua |
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| Institution: | Inst.of Aerospace Science & Technology,Shanghai Jiaotong Univ.,Shanghai 200240,P.R.China |
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| Abstract: | To improve the positioning accuracy in GPS point positioning,the geometric dilution of precision (GDOP) including HDOP,VDOP,TDOP,PDOP is commonly considered.The properties of the DOP for the GPS satellite navigation system are studied and the coordinate system is improved in order to decrease the amount of variables.In the end,by simulation and discussing the results,the corresponding conclusions are presented. |
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| Keywords: | GPS dilution of precision GDOP navigation simulation |
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