the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Elastic envelope inversion using multicomponent seismic data without low frequency
C. Huang
L. Dong
Y. Liu
B. Chi
Abstract. Low frequency is a key issue to reduce the nonlinearity of elastic full waveform inversion. Hence, the lack of low frequency in recorded seismic data is one of the most challenging problems in elastic full waveform inversion. Theoretical derivations and numerical analysis are presented in this paper to show that envelope operator can retrieve strong low frequency modulation signal demodulated in multicomponent data, no matter what the frequency bands of the data is. With the benefit of such low frequency information, we use elastic envelope of multicomponent data to construct the objective function and present an elastic envelope inversion method to recover the long-wavelength components of the subsurface model, especially for the S-wave velocity model. Numerical tests using synthetic data for the Marmousi-II model prove the effectiveness of the proposed elastic envelope inversion method, especially when low frequency is missing in multicomponent data and when initial model is far from the true model. The elastic envelope can reduce the nonlinearity of inversion and can provide an excellent starting model.
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C. Huang et al.


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RC C691: 'Review', Anonymous Referee #1, 11 Dec 2014
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AC C722: 'short reply to anonymous referee #1', chao huang, 17 Dec 2014
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RC C730: 'review', Anonymous Referee #2, 21 Dec 2014
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AC C722: 'short reply to anonymous referee #1', chao huang, 17 Dec 2014
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AC C740: 'numerical test results for the comments', chao huang, 23 Dec 2014
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RC C751: 'Elastic envelope inversion using multicomponent seismic data without low frequency', Anonymous Referee #1, 01 Jan 2015
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RC C751: 'Elastic envelope inversion using multicomponent seismic data without low frequency', Anonymous Referee #1, 01 Jan 2015
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AC C761: 'reply with numerical test attached as pdf', chao huang, 08 Jan 2015
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RC C765: 'I cant see the pdf reply (below) by the authors to my comment.', Anonymous Referee #1, 09 Jan 2015
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AC C766: 'To the referee 1's downloading problem', chao huang, 09 Jan 2015
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AC C766: 'To the referee 1's downloading problem', chao huang, 09 Jan 2015


-
RC C691: 'Review', Anonymous Referee #1, 11 Dec 2014
-
AC C722: 'short reply to anonymous referee #1', chao huang, 17 Dec 2014
-
RC C730: 'review', Anonymous Referee #2, 21 Dec 2014
-
AC C722: 'short reply to anonymous referee #1', chao huang, 17 Dec 2014
-
AC C740: 'numerical test results for the comments', chao huang, 23 Dec 2014
-
RC C751: 'Elastic envelope inversion using multicomponent seismic data without low frequency', Anonymous Referee #1, 01 Jan 2015
-
RC C751: 'Elastic envelope inversion using multicomponent seismic data without low frequency', Anonymous Referee #1, 01 Jan 2015
-
AC C761: 'reply with numerical test attached as pdf', chao huang, 08 Jan 2015
-
RC C765: 'I cant see the pdf reply (below) by the authors to my comment.', Anonymous Referee #1, 09 Jan 2015
-
AC C766: 'To the referee 1's downloading problem', chao huang, 09 Jan 2015
-
AC C766: 'To the referee 1's downloading problem', chao huang, 09 Jan 2015
C. Huang et al.
C. Huang et al.
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