| Receiver function estimated by maximum entropy deconvolution |
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| 作者姓名： | 吴庆举 田小波 张乃铃 李卫平 曾融生 |
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| 作者单位： | InstituteofGeophysics,ChinaSeismologicalBureau,Beifing100081,China |
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| 基金项目： | State Natural Science Foundation of China (49974021). |
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| 摘 要： | Maximum entropy deconvolution is presented to estimate receiver function, with the maximum entropy as the rule to determine auto-correlation and cross-correlation functions. The Toeplitz equation and Levinson algorithm are used to calculate the iterative formula of error-predicting filter, and receiver function is then estimated. During extrapolation, reflective coefficient is always less than I, which keeps maximum entropy deconvolution stable. The maximum entropy of the data outside window increases the resolution of receiver function. Both synthetic and real seismograms show that maximum entropy deconvolution is an effective method to measure receiver function in time-domain.
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| 关 键 词： | 接收函数 最大熵估计 Toeplitx方程 特普利茨方程 Levinson迭代算法 莱文森算法 地震 |
| 收稿时间： | 26 July 2002 |
| 修稿时间： | 24 February 2003 |
Receiver function estimated by maximum entropy deconvolution |
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| Wu Qing-ju , Tian Xiao-bo , Zhang Nai-ling , Li Wei-ping and Zeng Rong-sheng.Receiver function estimated by maximum entropy deconvolution[J].Acta Seismologica Sinica(English Edition),2003,16(4):404-412. |
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| Authors: | Wu Qing-ju Tian Xiao-bo Zhang Nai-ling Li Wei-ping and Zeng Rong-sheng |
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| Institution: | Institute of Geophysics, China Seismological Bureau, Beijing 100081, China |
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| Abstract: | Maximum entropy deconvolution is presented to estimate receiver function, with the maximum entropy as the rule to determine auto-correlation and cross-correlation functions. The Toeplitz equation and Levinson algorithm are used to calculate the iterative formula of error-predicting filter, and receiver function is then estimated. During extrapolation, reflective coefficient is always less than 1, which keeps maximum entropy deconvolution stable. The maximum entropy of the data outside window increases the resolution of receiver function. Both synthetic and real seismograms show that maximum entropy deconvolution is an effective method to measure receiver function in time-domain. |
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| Keywords: | receiver function maximum entropy Toeplitz equation Levinson iterative algorithm |
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