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Research on Shallow Urban Exploration Based on Frequency-Bessel Transform Method
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Shun WANG1, 2, 3, Wulin LIAO1, 2, 3, Jinggang LI1, 2, 3, Lifen ZHANG1, 2, 3, Ziyan ZHOU1, 2, 3
Journal of Geodesy and Geodynamics | 2025, 45(3) : 273 - 278
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Journal of Geodesy and Geodynamics | 2025, 45(3): 273-278
Research on Shallow Urban Exploration Based on Frequency-Bessel Transform Method
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Shun WANG1, 2, 3, Wulin LIAO1, 2, 3, Jinggang LI1, 2, 3, Lifen ZHANG1, 2, 3, Ziyan ZHOU1, 2, 3
Affiliations
  • 1 Institute of Seismology, CEA, 40 Hongshance Road, Wuhan 430071, China
  • 2 Key Laboratory of Earthquake Geodesy, CEA, 40 Hongshance Road, Wuhan 430071, China
  • 3 Hubei Earthquake Agency, 48 Hongshance Road, Wuhan 430071, China

    • WANG Shun, assistant professor, majors in geophysical exploration, E-mail:

About Author:

WANG Shun, assistant professor, majors in geophysical exploration, E-mail:

Published: 2025-03-15 doi: 10.14075/j.jgg.2024.04.177
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We use T-shaped, linear, regular pentagonal, and spiral arrays at the same site for micromotion detection comparison experiments to analyze the effects of cross-correlation time window length, geometry of observation array, and their spreading on the quality of frequency-Bessel (F-J) dispersion energy imaging. The results indicate that, for the same observation time, increasing the cross-correlation time window length can effectively distinguish the fundamental and higher-mode dispersion curves, but it will reduce the number of superposition segments, resulting in lower dispersion spectrum resolution.The F-J method does not have special requirements for the arrangement of observation array and is suitable for random and linear distributions. When the array aperture is the same, the quality and resolution of dispersion imaging for an observation array with a greater number of array spacing combinations will be higher. The F-J method has certain requirements for the deployment range of observation array. For example, when the deployment range is too small, the quality of dispersion imaging using the F-J method is poor and it is unable to separate higher-mode dispersion curves.

microtremor  /  fundamental mode surface wave  /  higher-mode surface wave  /  frequency-Bessel transform method(F-J)  /  array observation
王顺, 廖武林, 李井冈, 张丽芬, 周紫岩. 基于频率-贝塞尔变换方法的城市浅层勘探研究. 大地测量与地球动力学, 2025 , 45 (3) : 273 -278 . DOI: 10.14075/j.jgg.2024.04.177
Shun WANG, Wulin LIAO, Jinggang LI, Lifen ZHANG, Ziyan ZHOU. Research on Shallow Urban Exploration Based on Frequency-Bessel Transform Method[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (3) : 273 -278 . DOI: 10.14075/j.jgg.2024.04.177
Funding
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  • Scientific Research Fund of Institute of Seismology, CEA and National Institute of Natural Hazards, MEM(IS202336344)
  • Scientific Research Fund of Institute of Seismology, CEA and National Institute of Natural Hazards, MEM(IS201926299)
  • National Natural Science Foundation of China(42174177)
  • National Natural Science Foundation of China(62106239)
  • Scientific Research Project of China Three Gorges Corporation(0799275)
  • Innovation Group Project of Hubei Province(2021CFA035)
Appendix
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Year 2025 volume 45 Issue 3
18
6
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Article Info
doi: 10.14075/j.jgg.2024.04.177
  • Receive Date：2024-04-15
  • Online Date：2026-10-30
  • Published：2025-03-15
Article Data
Affiliations
History
  • Received：2024-04-15
Funding
Scientific Research Fund of Institute of Seismology, CEA and National Institute of Natural Hazards, MEM(IS202336344)
Scientific Research Fund of Institute of Seismology, CEA and National Institute of Natural Hazards, MEM(IS201926299)
National Natural Science Foundation of China(42174177)
National Natural Science Foundation of China(62106239)
Scientific Research Project of China Three Gorges Corporation(0799275)
Innovation Group Project of Hubei Province(2021CFA035)
Affiliations
    1 Institute of Seismology, CEA, 40 Hongshance Road, Wuhan 430071, China
    2 Key Laboratory of Earthquake Geodesy, CEA, 40 Hongshance Road, Wuhan 430071, China
    3 Hubei Earthquake Agency, 48 Hongshance Road, Wuhan 430071, China
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表12种不同金属材料的力学参数
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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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