Prestack time migration in anelastic media based on designing for short operator
文献类型：期刊论文
| 作者 | Li Xue-Ying1; Lue Xi-Bin1; Zhang Jian-Feng2 |
| 刊名 | CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
 |
| 出版日期 | 2011 |
| 卷号 | 54期号:1页码:193-199 |
| 关键词 | Anelastic Media Prestack Time Migration Short Convolution Operator Weighted Least Squares Method Table-driven |
| ISSN号 | 0001-5733 |
| DOI | 10.3969/j.issn.0001-5733.2011.01.020 |
| 文献子类 | Article |
| 英文摘要 | In order to raise the computational efficiency of frequency domain prestack time migration in anelastic media, the high-accuracy optimum short convolution operators in time domain are designed by weighted least squares method. Therefore a table-driven time domain prestack time migration scheme in anelastic media is presented. This scheme can transform large amount of multiplication operation frequency by frequency into less convolution operation in time domain and split calculation of travel time, amplitude and short convolution operator from the inverse Q compensation migration, which greatly improved the computational efficiency of time-domain pre-stack time migration in anelastic media. A stabilization controlling strategy is proposed to ensure the stability of arithmetic in compensation for absorption and dispersion. Numerical examples indicate that the short convolution operator has very high accuracy designed by weighted least squares method. The algorithm in time domain can achieve the same compensation result as in frequency domain while its computational cost is close to the conventional prestack time migration. |
| WOS关键词 | WAVE-FIELD EXTRAPOLATION ; INVERSE Q-FILTER ; DEPTH MIGRATION ; DISPERSION ; PROPAGATION ; ATTENUATION ; DOMAIN ; ABSORPTION |
| WOS研究方向 | Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000286848200020 |
| 出版者 | SCIENCE CHINA PRESS |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/73542]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Li Xue-Ying |
| 作者单位 | 1.NE Petr Univ, Coll Earth Sci, Daqing 163318, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li Xue-Ying,Lue Xi-Bin,Zhang Jian-Feng. Prestack time migration in anelastic media based on designing for short operator[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2011,54(1):193-199. |
| APA | Li Xue-Ying,Lue Xi-Bin,&Zhang Jian-Feng.(2011).Prestack time migration in anelastic media based on designing for short operator.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,54(1),193-199. |
| MLA | Li Xue-Ying,et al."Prestack time migration in anelastic media based on designing for short operator".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 54.1(2011):193-199. |
入库方式： OAI收割
来源：地质与地球物理研究所
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