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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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一种精确消除倾斜地层对相干值影响的方法
Keywords: 相干属性,倾角估计,层拉平,时间域,频率域,数据处理流程
Abstract:
？相干属性是检测地下介质不连续特征的主要技术之一,但倾斜地层会使相干值产生畸变,故在计算相干属性之前需进行倾角搜索或对地震数据做层拉平处理.为获取更精确的地层倾角用于频率域层拉平,引入并改进了一种在频率域内的地层倾角估算法,总结出一套融合时间域倾角搜索和频率域倾角估计的层拉平算法流程.实际地震数据的应用结果表明,这种联合利用时间域—频率域的层拉平算法可更彻底消除地层倾角对相干属性的影响.
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