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Application of Signal Enhancement Method Based on Time-Frequency Peak Filtering to Seismic Data Processing

LIN Hong-bo1,2,LI Yue2,PAN Wei3   

  1. 1.College of GeoExploration Science and Technology, Jilin University, Changchun 130026, China;2.College of Communication Engineering, Jilin University, Changchun 130012, China;3.College of Information and Technology, Hainan University, Haikou 570228, China
  • Received:2006-11-06 Revised:1900-01-01 Online:2007-09-26 Published:2007-09-26
  • Contact: LI Lue

Abstract: It is essential to seismic data processing that event is recovered clearly from noisy seismic data without losing energy of the signal. The time-frequency peak filtering (TFPF) based on pseudo Wigner-Ville distribution (WVD) was applied to process common shot point seismic record to eliminate the noise. This method achieved an unbiased estimation of the complex seismic record. The efficient information in seismic data was enhanced, and the random noise in the seismic data was removed, and the seismic event was recovered effectively. Compared the results from practical seismic record before and after TFPF processing, the effective information in seismic data was enhanced evidently, and the continuity of event was improved simultaneously.

Key words: enhancement of signal, time-frequency peak filter, pseudo WVD, common shot point record

CLC Number: 

  • P631.4
[1] LIN Hong-bo, LI Yue, XU Xue-chun, MA Hai-tao. Time-Frequency Peak Filtering Algorithm for Reducing the Discrete Error [J]. J4, 2011, 41(2): 572-578.
[2] YANG Bao-jun,LI Yue, LIU Xiao-hua,JIN Lei,ZHAO Xue-ping, YUAN Ye, GAO Ying. Four Processing Techniques for Improving the Seismic Prospecting Records [J]. J4, 2006, 36(05): 856-862.
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