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A GNSS Multipath Error Mitigation Method Based on Dynamic Displacement Parameters of Landslides
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Hanwen WU1, Li WANG1, 2, 3, *, Bao SHU1, 2, 3, Xinrui LI1, 2, 3, Wei QU1, 2, 3, Qin ZHANG1, 2, 3, Yu QIAN1, Bin CHEN1
Journal of Geodesy and Geodynamics | 2025, 45(12) : 1287 - 1293
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Journal of Geodesy and Geodynamics | 2025, 45(12): 1287-1293
A GNSS Multipath Error Mitigation Method Based on Dynamic Displacement Parameters of Landslides
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Hanwen WU1, Li WANG1, 2, 3, *, Bao SHU1, 2, 3, Xinrui LI1, 2, 3, Wei QU1, 2, 3, Qin ZHANG1, 2, 3, Yu QIAN1, Bin CHEN1
Affiliations
  • 1 School of Geological Engineering and Geomatics, Chang'an University, 126 Yanta Road, Xi'an 710054, China
  • 2 State Key Laboratory of Geo-Information Engineering, 1 Mid-Yanta Road, Xi'an 710054, China
  • 3 Key Laboratory of Western China's Mineral Resources and Geological Engineering, Ministry of Education, 126 Yanta Road, Xi'an 710054, China

    • WU Hanwen, postgraduate, majors in high-precision GNSS positioning, E-mail:

About Author:

WU Hanwen, postgraduate, majors in high-precision GNSS positioning, E-mail:

Published: 2025-12-15 doi: 10.14075/j.jgg.2025.01.014
Outline
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A multipath error mitigation method suitable for dynamic landslide deformation monitoring points is proposed. This method replaces the fixed position parameters used in the residual extraction process with dynamic displacement parameters that reflect actual deformation to eliminate systematic errors caused by deformation. The method employs sidereal filtering(SF) and multipath hemispherical mapping(MHM) to mitigate multipath effects in dynamic landslide scenarios. Experimental results show that the proposed multipath mitigation method based on dynamic displacement parameters can be effectively applied to dynamic deformation monitoring scenarios. Compared with the original unfiltered results, during the constant velocity deformation stage of the landslide, the positioning accuracy in the east direction is improved by 13% and 27%, in the north direction by 15% and 30%, and in the height direction by 11% and 22% for SF and MHM based on dynamic displacement parameters. During the accelerated deformation stage of the landslide, the positioning accuracy in the east direction is improved by 12% and 24%, in the north direction by 23% and 32%, and in the height direction by 5% and 19% for SF and MHM based on dynamic displacement parameters.

multipath effect  /  single-difference residual  /  dynamic landslide monitoring  /  sidereal filtering(SF)  /  multipath hemispherical map(MHM)
武翰文, 王利, 舒宝, 李新瑞, 瞿伟, 张勤, 钱雨, 陈斌. 一种基于滑坡动态位移参数的GNSS多路径误差削弱方法. 大地测量与地球动力学, 2025 , 45 (12) : 1287 -1293 . DOI: 10.14075/j.jgg.2025.01.014
Hanwen WU, Li WANG, Bao SHU, Xinrui LI, Wei QU, Qin ZHANG, Yu QIAN, Bin CHEN. A GNSS Multipath Error Mitigation Method Based on Dynamic Displacement Parameters of Landslides[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (12) : 1287 -1293 . DOI: 10.14075/j.jgg.2025.01.014
Funding
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  • National Natural Science Foundation of China(42127802)
  • Outstanding Youth Science Foundation of Shaanxi Province(2022JC-18)
  • Fundamental Research Funds for the Central Universities(30010226320)
  • Fundamental Research Funds for the Central Universities(300102263201)
  • Shaanxi Provincial Tri-Qin Scholars with Geoscience Big Data and Geohazard Prevention(2022)
Appendix
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Year 2025 volume 45 Issue 12
44
21
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Article Info
doi: 10.14075/j.jgg.2025.01.014
  • Receive Date：2025-01-18
  • Online Date：2026-10-29
  • Published：2025-12-15
Article Data
Affiliations
History
  • Received：2025-01-18
Funding
National Natural Science Foundation of China(42127802)
Outstanding Youth Science Foundation of Shaanxi Province(2022JC-18)
Fundamental Research Funds for the Central Universities(30010226320)
Fundamental Research Funds for the Central Universities(300102263201)
Shaanxi Provincial Tri-Qin Scholars with Geoscience Big Data and Geohazard Prevention(2022)
Affiliations
    1 School of Geological Engineering and Geomatics, Chang'an University, 126 Yanta Road, Xi'an 710054, China
    2 State Key Laboratory of Geo-Information Engineering, 1 Mid-Yanta Road, Xi'an 710054, China
    3 Key Laboratory of Western China's Mineral Resources and Geological Engineering, Ministry of Education, 126 Yanta Road, Xi'an 710054, China
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https://castjournals.cast.org.cn/joweb/ddcl/EN/10.14075/j.jgg.2025.01.014
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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