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Studia Geophysica et Geodaetica

, Volume 60, Issue 1, pp 91–111 | Cite as

Time-domain hyperbolic Radon transform for separation of P-P and P-SV wavefields

  • Xiaoxue Jiang
  • Fan Zheng
  • Haiqing Jia
  • Jun Lin
  • Hongyuan Yang
Article

Abstract

A time-domain hyperbolic Radon transform based method for separating multicomponent seismic data into P-P and P-SV wavefields is presented. This wavefield separation method isolates P-P and P-SV wavefields in the Radon panel due to their differences in slowness, and an inverse transform of only part of the data leads to separated wavefields. A problem of hyperbolic Radon transform is that it works in the time domain entailing the inversion of large operators which is prohibitively time-consuming. By applying the conjugate gradient algorithm during the inversion of hyperbolic Radon transform, the computational cost can be kept reasonably low for practical application. Synthetic data examples prove that P-P and P-SV wavefield separation by hyperbolic Radon transform produces more accurate separated wavefields compared with separation by high-resolution parabolic Radon transform, and the feasibility of the proposed separation scheme is also verified by a real field data example.

Keywords

time-domain hyperbolic Radon transform multicomponent data wavefield separation conjugate gradient algorithm 

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Copyright information

© Institute of Geophysics of the ASCR, v.v.i 2015

Authors and Affiliations

  • Xiaoxue Jiang
    • 1
  • Fan Zheng
    • 1
  • Haiqing Jia
    • 1
  • Jun Lin
    • 1
  • Hongyuan Yang
    • 1
  1. 1.College of Instrumentation & Electrical EngineeringJilin UniversityChangchunChina

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