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平滑算子在地震叠前深度域成像中的应用 被引量:3

Application of smoothing operator in seismic prestack depth imaging
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摘要 对波动方程叠前深度偏移的成像条件和平滑算子进行了概述,推导了用平滑算子对成像条件进行平滑的公式,给出了同一平滑函数在不同平滑参数控制下以及不同平滑函数在相同平滑参数控制下的成像结果。模型试算结果表明:在合适的平滑参数控制下,平滑后的成像结果得到了明显改善;在相同的平滑参数控制下,Gaussian窗平滑算子平滑后得到的成像结果要好。 The imaging condition and smoothing operator of wave equation prestack depth migration were introduced. The formula used smoothing operator to smooth imaging conditon was derived. The results of the same smoothing function with different smoothing parameters and different smoothing functions with the same smoothing parameter were given. The model test resuits show that the images are improved when the smoothing parameter is appropriate. With the same smoothing parameter, Gaussian smoothing operator can get relatively good imaging result.
出处 《中国石油大学学报(自然科学版)》 EI CAS CSCD 北大核心 2008年第6期47-50,共4页 Journal of China University of Petroleum(Edition of Natural Science)
基金 国家自然科学基金(40474041) 国家'863'专题(2006AA06Z206) CNPC中青年创新基金(04E7040)
关键词 成像条件 叠前深度偏移 平滑算子 地震资料处理 imaging condition prestack depth migration smoothing operator seismic data processing
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参考文献10

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