An absorbing-layer method of 3-D seismic migration in an irregular acquisition geometry
文献类型：期刊论文
| 作者 | Wang, YX; Zhang, GQ; Zhou, RF |
| 刊名 | CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
 |
| 出版日期 | 2002-09-01 |
| 卷号 | 45期号:5页码:700-706 |
| 关键词 | irregular acquisition geometry migration absorbing layer seismic data |
| ISSN号 | 0001-5733 |
| 英文摘要 | 3-D seismic migration for an irregular acquistion geometry usually needs zero-trace padding to form a regular geometry. The benefit of zero padding is easy to do 3-D migration, but it will reduce the computative efficiency and migrated quality. In this paper we use an additional absorbing thin layer surrounding the irregular geometry instead of zero padding. It has greatly decreases computative cost and improves the migrated seismic data quality. In order to form an absorbing layer, a damping factor is added to one-way wave equation. Since the wave-field attenuates quickly when the wave penetrates this thin layer, the reflection is very small when the wave-field at the outer boundary of the absorbing layer is taken as zero, Since the migration program with the zero-boundary condition is easy to be implemented, 3-D migration of seismic data for a irregular acquisition geometry can be done directly. The effectivity of this method is illustrated by processing the practical data. |
| WOS研究方向 | Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000178350200012 |
| 出版者 | SCIENCE CHINA PRESS |
| 源URL | [http://ir.amss.ac.cn/handle/2S8OKBNM/17411]  |
| 专题 | 中国科学院数学与系统科学研究院 |
| 通讯作者 | Wang, YX |
| 作者单位 | 1.Daqing Petr Inst, Dept Math, Daqing 151400, Peoples R China 2.Chinese Acad Sci, Inst Computat Math & Sci Engn Comp, Beijing 100080, Peoples R China 3.Daqing Petr Inst, Dept Mech Engn, Daqing 151400, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, YX,Zhang, GQ,Zhou, RF. An absorbing-layer method of 3-D seismic migration in an irregular acquisition geometry[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2002,45(5):700-706. |
| APA | Wang, YX,Zhang, GQ,&Zhou, RF.(2002).An absorbing-layer method of 3-D seismic migration in an irregular acquisition geometry.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,45(5),700-706. |
| MLA | Wang, YX,et al."An absorbing-layer method of 3-D seismic migration in an irregular acquisition geometry".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 45.5(2002):700-706. |
入库方式： OAI收割
来源：数学与系统科学研究院
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