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Application of Virtual Sealing in Noise Reduction of Deformation Instrument: Using SS-Y Tensometer at Wujiahe Station as an Example
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Wei HU1, Xuedong FENG1, *, Haodong JIA1, Wei SHI1, Wenchao BAO2
Journal of Geodesy and Geodynamics | 2025, 45(2) : 203 - 207
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Journal of Geodesy and Geodynamics | 2025, 45(2): 203-207
Application of Virtual Sealing in Noise Reduction of Deformation Instrument: Using SS-Y Tensometer at Wujiahe Station as an Example
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Wei HU1, Xuedong FENG1, *, Haodong JIA1, Wei SHI1, Wenchao BAO2
Affiliations
  • 1 Bayannur Earthquake Monitoring Center Station, 2 West-Shuguang Street, Bayannur 015000, China
  • 2 Inner Mongolia Seismic Station, 80 Jirem Road, Hohhot 010010, China
  • HU Wei, engineer, majors in earthquake monitoring, E-mail:

About Author:

HU Wei, engineer, majors in earthquake monitoring, E-mail:

Published: 2025-02-15 doi: 10.14075/j.jgg.2024.03.127
Outline
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We calculate the first-order difference, power spectral density and root mean square error and study its time-frequency of SS-Y extensometer data before and after the sealing measures at Wujiahe seismic station, design a virtual sealed filter. The results show that after the virtual seal filter, the noise signal of 0.07 to 0.5 min-1 is obviously suppressed, and the purpose of safe noise reduction is achieved, which has certain reference significance for improving the observation accuracy.

tensometer  /  seal  /  noise  /  virtual seal
胡玮, 冯雪东, 贾昊东, 石伟, 包文超. 虚拟密封在形变仪器降噪中的应用——以乌加河台SS-Y型伸缩仪为例. 大地测量与地球动力学, 2025 , 45 (2) : 203 -207 . DOI: 10.14075/j.jgg.2024.03.127
Wei HU, Xuedong FENG, Haodong JIA, Wei SHI, Wenchao BAO. Application of Virtual Sealing in Noise Reduction of Deformation Instrument: Using SS-Y Tensometer at Wujiahe Station as an Example[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (2) : 203 -207 . DOI: 10.14075/j.jgg.2024.03.127
  • Director Fund of Earthquake Agency of Inner Mongolia Autonomous Region(2023QN26)
Year 2025 volume 45 Issue 2
20
7
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Article Info
doi: 10.14075/j.jgg.2024.03.127
  • Receive Date:2024-03-23
  • Online Date:2026-10-30
  • Published:2025-02-15
Article Data
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  • Received:2024-03-23
Funding
Director Fund of Earthquake Agency of Inner Mongolia Autonomous Region(2023QN26)
Affiliations
    1 Bayannur Earthquake Monitoring Center Station, 2 West-Shuguang Street, Bayannur 015000, China
    2 Inner Mongolia Seismic Station, 80 Jirem Road, Hohhot 010010, China
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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
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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