Journal of Systems Engineering and Electronics 2008, 19(5) 1058-1063 DOI:     ISSN: 1004-4132 CN: 11-3018/N

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Keywords
GPS
dilution of precision
GDOP
navigation
simulation
Authors
PubMed

Geometric dilution of precision for GPS single-point positioning based on four satellites

Wang Huihui, Zhan Xingqun & Zhang Yanhua

Inst. of Aerospace Science & Technology, Shanghai Jiaotong Univ., Shanghai 200240, P. R. China

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.

Keywords�� GPS   dilution of precision   GDOP   navigation   simulation  
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