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High-frequency compensation for seismic data based on adaptive generalized S transform

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Abstract

The low-pass filtering effect of the Earth results in the absorption and attenuation of the high-frequency components of seismic signals by the stratum during propagation. Hence, seismic data have low resolution. Considering the limitations of traditional high-frequency compensation methods, this paper presents a new method based on adaptive generalized S transform. This method is based on the study of frequency spectrum attenuation law of seismic signals, and the Gauss window function of adaptive generalized S transform is used to fit the attenuation trend of seismic signals to seek the optimal Gauss window function. The amplitude spectrum compensation function constructed using the optimal Gauss window function is used to modify the time-frequency spectrum of the adaptive generalized S transform of seismic signals and reconstruct seismic signals to compensate for high-frequency attenuation. Practical data processing results show that the method can compensate for the high-frequency components that are absorbed and attenuated by the stratum, thereby effectively improving the resolution and quality of seismic data.

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Authors and Affiliations

  1. College of Earth Science and Engineering, Xi’an Shiyou University, Xi’an, Shaanxi, 710065, China

    Hui-Feng Li, Jin Wang & Fei-Long Yang

  2. Bureau of Natural Resources of Huichuan District, Zunyi, Guizhou, 563000, China

    Jin Wang

  3. College of the Geological Engineering and Geomatics, Chang’an University, Xi’an, Shaanxi, 710046, China

    Zheng-Rong Wei

Authors
  1. Hui-Feng Li
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  2. Jin Wang
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  3. Zheng-Rong Wei
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  4. Fei-Long Yang
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Corresponding author

Correspondence to Zheng-Rong Wei.

Additional information

This research is supported by the National Science and Technology Major Project of China (No. 2011ZX05024-001-03), the Natural Science Basic Research Plan in Shaanxi Province of China (No. 2021JQ-588) and Innovation Fund for graduate students of Xi’an Shiyou University (No. YCS17111017).

Li Huifeng is the professor of College of Earth Science and Engineering, Xi’an Shiyou University. He received his PhD in Earth Exploration and Information Techniques from Chengdu University of Technology in 2006. His research work is mainly on seismic data processing methods and geophysical software programming.

Wei Zhengrong is studying for the Ph.D. degree in geophysical prospecting from Chang’an University, China. His research interests include seismic data processing, seismic wave field modeling, and migration imaging.

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Li, HF., Wang, J., Wei, ZR. et al. High-frequency compensation for seismic data based on adaptive generalized S transform. Appl. Geophys. 17, 747–755 (2020). https://doi.org/10.1007/s11770-020-0860-4

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  • DOI: https://doi.org/10.1007/s11770-020-0860-4

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