GNSS World of China

Volume 47 Issue 5
Nov.  2022
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ZHAO Long, GUO Jiang, LI Guangcai, LUO Feng. Performance analysis of BDS/GNSS airborne kinematic PPP[J]. GNSS World of China, 2022, 47(5): 57-64. doi: 10.12265/j.gnss.2022096
Citation: ZHAO Long, GUO Jiang, LI Guangcai, LUO Feng. Performance analysis of BDS/GNSS airborne kinematic PPP[J]. GNSS World of China, 2022, 47(5): 57-64. doi: 10.12265/j.gnss.2022096
shu

Performance analysis of BDS/GNSS airborne kinematic PPP

doi: 10.12265/j.gnss.2022096
  • 1.

    School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China

  • 2.

    Key laboratory of airborne geophysics and remote sensing geology, Ministry of nature and resources, Beijing 100083, China

  • 3.

    GNSS Research Center, Wuhan University, Wuhan 430079, China

  • Received Date: 2022-05-30
    Available Online: 2022-09-26
    Abstract
  • Based on the measured data in the airborne kinematic scene, this paper uses the open-source PRIDE PPP-AR software to construct a dual-frequency ionosphere-free combination (IF) using the pseudorange and carrier phase observations for kinematic precise point positioning (PPP) experiment, and it also compares the performance of a single BDS system and BDS/GNSS in airborne large kinematic positioning. The results show that the number of satellites, satellite geometry and position dilution of precision (PDOP) of the multi-system combination are superior. In a single system, the positioning accuracy in the plane (east (E), north (N) and up (U) )directions are improved by 10% and 12% respectively. In addition, this paper compares the solution results of the open-source software PRIDE PPP-AR with the commercial software WayPoint, the results show that the positioning accuracy of the former is improved by 46% and 36% in the E and U directions respectively, and the N direction is the most improved, nearly doubled. Therefore, PRIDE PPP-AR has higher solution accuracy and better solution performance.

     

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