Positioning accuracy of IGPS
YU Miao1,2, CHEN Jie1,2, DOU Li-hua1,2, GAN Ming-gang1,2
1.School of Automation,Beijing Institute of Technology,Beijing 100081,China;2.Key Laboratory of Complex System Intelligent Control and Decision,Ministry of Education,Beijing 100081,China
Abstract:
The positioning accuracy of a short-haul target-locating system,the inverse-GPS(IGPS) ,was analyzed in detail. The relationship between IGPS and the positioning error was discussed. The multiplicative error minimal bound of the geometric dilution of precision (GDOP) about the four-base-station IGPS was also investigated. In order to clarify the practical implementation of IGPS,the multiplicative and additive error factors which affect the positioning accuracy and theoretical estimation of positioning accuracy were presented. By analyzing the experiments of locating a target’s position in virtual three-dimensional areas,the positioning performance of IGPS was illustrated. The results show that the multiplicative and additive error factors should be eliminated in IGPS to improve the positioning accuracy.
Key words: inverse-GPS(IGPS) GDOP positioning accuracy
DOI：10.11916/j.issn.1005-9113.2010.02.014
Clc Number:TN967.1
Fund:
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Positioning accuracy of IGPS
本站小编 哈尔滨工业大学/2019-10-23
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