| 基于多小波变换提高地震数据的分辨率 |
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| 引用本文： | 刘瑞,何文章,吴爱弟,马云飞.基于多小波变换提高地震数据的分辨率[J].数学的实践与认识,2011,41(20). |
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| 作者姓名： | 刘瑞 何文章 吴爱弟 马云飞 |
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| 作者单位： | 天津职业技术师范大学理学院,天津,300222 |
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| 基金项目： | 天津职业技术师范大学博士科研启动项目(KYQD08013) |
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| 摘 要： | 给出了设计接近地震子波的小波函数方法,使得地震信号的小波分解能量相对集中,有利于做各种处理;通过选出最匹配子波的的小波函数,做多小波变换;利用分频处理函数来补偿石油勘探中地震数据中损失的高频成分,以提高石油勘探中地震数据分辨率.通过对反射信号的高频成分进行补偿,可使地震剖面的主频得到很大提高,频宽得到扩展,可获得较高分辨率的地震剖面.从实际数据处理结果可以看出,方法是可行的且是有效的.
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| 关 键 词： | 多小波变换 分频处理函数 分辨率 |
Improving the Resolution Ratio of Seismic Data by Multiwavelets Transformation |
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| LIU Rui,HE Wen-zhang,WU Ai-di,MA Yun-fei.Improving the Resolution Ratio of Seismic Data by Multiwavelets Transformation[J].Mathematics in Practice and Theory,2011,41(20). |
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| Authors: | LIU Rui HE Wen-zhang WU Ai-di MA Yun-fei |
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| Institution: | LIU Rui,HE Wen-zhang,WU Ai-di,MA Yun-fei (School of Science,Tianjin University of Technology and Education,Tianjin,300222 China) |
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| Abstract: | With the designation of method of wavelet function which is closer to the seismic data,the divided wavelet energy of the seismic data relatively centralizes and becomes easy to deal with;By choosing compatible wavelet function,multiwavelet transform is done; Frequency division functions can compensate the loss of the high frequency part of the seismic data in oil-field prospecting so that the resolution ratio of the seismic data in oilfield prospecting is improved.Compensating the high frequency part of the... |
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| Keywords: | multiwavelet transform frequency division functions resolution ratio |
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