Joint AVO inversion in the time and frequency domain with Bayesian interference
Joint AVO inversion in the time and frequency domain with Bayesian interference
复制标题
贝叶斯干扰时频域联合AVO反演
DOI:
10.1007/s11770-016-0584-7
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发表时间:
2016-12
影响因子:
0.7
通讯作者:
Li Kun
中科院分区:
文献类型:
--
作者:
Zong Zhaoyun;Yin Xingyao;Li Kun
Amplitude variations with offset or incident angle (AVO/AVA) inversion are typically combined with statistical methods, such as Bayesian inference or deterministic inversion. We propose a joint elastic inversion method in the time and frequency domain based on Bayesian inversion theory to improve the resolution of the estimated P- and S-wave velocities and density. We initially construct the objective function using Bayesian inference by combining seismic data in the time and frequency domain. We use Cauchy and Gaussian probability distribution density functions to obtain the prior information for the model parameters and the likelihood function, respectively. We estimate the elastic parameters by solving the initial objective function with added model constraints to improve the inversion robustness. The results of the synthetic data suggest that the frequency spectra of the estimated parameters are wider than those obtained with conventional elastic inversion in the time domain. In addition, the proposed inversion approach offers stronger antinoising compared to the inversion approach in the frequency domain. Furthermore, results from synthetic examples with added Gaussian noise demonstrate the robustness of the proposed approach. From the real data, we infer that more model parameter details can be reproduced with the proposed joint elastic inversion.
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影响因子:
0.7
作者:
Li Jing-Ye
通讯作者:
Li Jing-Ye
影响因子:
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作者:
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通讯作者:
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DOI:
10.3997/2214-4609.201407876
发表时间:
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期刊:
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影响因子:
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