GNSS World of China

Volume 48 Issue 3
Jun.  2023
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FU Pinggui, KUANG Cuilin, CHU Bin. Research on BeiDou full-band GNSS-R water level inversion[J]. GNSS World of China, 2023, 48(3): 52-56, 92. doi: 10.12265/j.gnss.2023083
Citation: FU Pinggui, KUANG Cuilin, CHU Bin. Research on BeiDou full-band GNSS-R water level inversion[J]. GNSS World of China, 2023, 48(3): 52-56, 92. doi: 10.12265/j.gnss.2023083
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Research on BeiDou full-band GNSS-R water level inversion

doi: 10.12265/j.gnss.2023083
  • 1.

    School of Geosciences and Info-Physics, Central South University, Changsha 410083, China

  • 2.

    Hunan Institute of Geomatics Sciences and Technology, Changsha 410007, China

  • Received Date: 2023-04-10
    Abstract
  • China's BeiDou-3 (BDS-3) has abundant frequency band data, which makes the system promising for application in the field of Global Navigation Satellite System Reflectometry (GNSS-R). In this paper, we systematically carry out the study of BDS-R water level inversion, firstly, we compare the performance of two algorithms of spectral analysis and nonlinear fitting in water level inversion, and the results show that the overall accuracy of nonlinear fitting is better than that of spectral analysis; then, we introduce Savitzky-Golay filtering algorithm to denoise the inversion results for various errors, and the numerical values show that the difference between the results before and after denoising and the measured water level The average RMSE of the difference between the results before and after denoising and the measured water level is reduced by 7.4 cm, and the inversion accuracy of the full frequency band of BeiDou is comparable to that of GPS L5.

     

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    • References(8)
  • [1]
    JIN S G, QIAN X D, WU X R. Sea level change from BeiDou Navigation Satellite System-Reflectometry (BDS-R): first results and evaluation[J]. Global and planetary change, 2017, 149: 20-25. DOI: 10.1016/j.gloplacha.2016.12.010
    [2]
    WU J M, CHEN Y L, GAO F, et al. Sea surface height estimation by ground-based BDS GEO satellite reflectometry[J]. IEEE journal of selected topics in applied earth observations and remote sensing, 2020(13): 5550-5559. DOI: 10.1109/JSTARS.2020.3024743
    [3]
    陈发德, 刘立龙, 黄良珂, 等. 基于多模GNSS-MR海平面测高研究[J]. 地球物理学进展, 2018, 33(5): 1767-1772.
    [4]
    ZHENG N Q, CHEN P, LI Z. Accuracy analysis of ground-based GNSS-R sea level monitoring based on multi GNSS and multi SNR[J]. Advances in space research, 2021, 68(8): 1789-1801. DOI: 10.1016/j.asr.2021.04.024
    [5]
    LIU Z Z, DU L, ZHOU P Y, et al. BDS/GNSS multipath reflectometry (BDS/GNSS-MR) based altimetry with new signals: initial assessment and comparison[J]. Advances in space research, 2022, 69(2): 282-291. DOI: 10.1016/j.asr.2021.08.025
    [6]
    STRANDBERG J, HOBIGER T, HAAS R. Improving GNSS-R sea level determination through inverse modeling of SNR data[J]. Radio science, 2016, 51(8): 1286-1296. DOI: 10.1002/2016RS006057
    [7]
    马心宇, 张波, 王峰, 等. GPS L5反射信号测高性能研究[C]//第十届全国信号和智能信息处理与应用学术会议, 2016.
    [8]
    王积丹, 匡翠林. Savitzy-Golay算法改善GNSS-MR土壤湿度反演研究[C]//第十一届中国卫星导航年会论文集——S01 卫星导航行业应用. 2020.
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