Receiver function estimated by maximum entropy deconvolution

被引:18
|
作者
吴庆举
田小波
张乃铃
李卫平
曾融生
机构
[1] Beijing 100081
[2] China
[3] China Seismological Bureau
[4] Institute of Geophysics
关键词
receiver function; maximum entropy; Toeplitz equation; Levinson iterative algorithm;
D O I
暂无
中图分类号
P315 [地震学];
学科分类号
070801 ;
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 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.
引用
收藏
页码:404 / 412 +479
页数:10
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