GNSS World of China

Volume 45 Issue 5
Oct.  2020
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XU Chuangfu, WANG Heng, JI Yuanming, LIU Yu. Movement trend and time series analysis of CORS station in Taizhou area[J]. GNSS World of China, 2020, 45(5): 27-33. doi: 10.13442/j.gnss.1008-9268.2020.05.005
Citation: XU Chuangfu, WANG Heng, JI Yuanming, LIU Yu. Movement trend and time series analysis of CORS station in Taizhou area[J]. GNSS World of China, 2020, 45(5): 27-33. doi: 10.13442/j.gnss.1008-9268.2020.05.005
shu

Movement trend and time series analysis of CORS station in Taizhou area

doi: 10.13442/j.gnss.1008-9268.2020.05.005
  • 1.

    Spatial Geographic Information of Taizhou City, Taizhou 318000,China

  • 2.

    Lishui Surveying and Mapping Center, Lishui 323000, China

  • 3.

    Zhejiang Institute of Surveying and Mapping Science and Technology,Hangzhou 310000, China

  • 4.

    School of Surveying Science and Engineering,Shandong University of Science and Technology Qingdao 266000,China

  • 5.

    Chinese Academy of Surveying and Mapping,Beijing 100803,China

  • Publish Date: 2021-02-24
    Abstract
  • Based on the 2017-2019 time series of 15 CORS stations in Taizhou area,linear fitting is carried out to construct three-dimensional velocity field,and the periodic characteristics of CORS stations are analyzed by power spectrum analysis and wavelet transform.It is found that in Taizhou CORS,the average station speed in the horizontal direction is 33.58 mm／a,with movement driection to the southeast,while the maximum lifting rate in the vertical direction is 3 mm／a,and the maximum settlement rate is 1 mm／a.From the perspective of cycle,the vertical direction of CORS station is much more obvious than that in the horizontal direction,with obvious annual cycle,half year cycle and seasonal cycle.

     

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