Infrared and Laser Engineering, Volume. 50, Issue 6, 2021G006(2021)
Design and verification of multi-mode GNSS pseudo-range combined positioning method
Figures & Tables(11)
Fig. 1. Schematic diagram of iterative combined positioning algorithm
Fig. 2. Comparison of the visible satellites number between single-mode and dual-mode GNSS receiver
Fig. 3. Comparison of PDOP value between single-mode and dual-mode GNSS receiver
Fig. 7. Comparison of the proposed algorithm and the public software GrafNav
Fig. 8. Error diagram of GPS/BDS pseudorange combination positioning
Fig. 9. Scatter diagram of GPS/BDS pseudorange combination positioning
Table 1. Precision comparison of the traditional algorithm and the proposed algorithm
View tableView in ArticleTable 1. Precision comparison of the traditional algorithm and the proposed algorithm
Method Positioning accuracy (RMS value) Gauss-Newton iteration method 2.44 m Helmert iteration method 1.74 m No iteration positioning method 1.65 m Proposed method 1.34 m
Table 2. Precision comparison of the traditional algorithm and the proposed algorithm
View tableView in ArticleTable 2. Precision comparison of the traditional algorithm and the proposed algorithm
Method Positioning accuracy (RMS value) X direction Y direction Z direction Proposed method 1.28 m 1.6 1m 1.49 m The positioning algorithm in Ref.[ 18 ]1.68 m 0.96m 8.77m The positioning algorithm in Ref.[ 19 ]1.62 m 2.76 m 2.10 m
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Kexun Chen, Deng'ao Li, Wei Qiu. Design and verification of multi-mode GNSS pseudo-range combined positioning method[J]. Infrared and Laser Engineering, 2021, 50(6): 2021G006
Paper Information
Category: Photoelectric measurement
Received: Mar. 27, 2021
Accepted: --
Published Online: Aug. 19, 2021
The Author Email: Deng'ao Li (lidengao@tyut.edu.cn)
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