OALib Journal期刊
ISSN: 2333-9721
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逆频散方法压制频散面波
Keywords: 逆频散,去噪,面波,频散
Abstract:
?由于面波的频散特性,在频谱或f-k谱上与反射波互相重叠,应用传统基于切除法的滤波方法在压制面波的同时,也会损伤有效反射波。本文提出一种通过相位校正消除面波频散、进而分离出面波能量并予以滤除的逆频散方法,该方法是在共炮点地震道集上消除因面波频散引起的走时差异。模型数据测试和实际资料处理结果表明,该方法能有效地压制面波且有利于去除空间假频。
References
[1] | 秦臻,张才,郑晓东等.高精度有限差分瑞雷面波模拟及频散特征提取[j].石油地球物理勘探.2010,45(1):40-46??浏览
|
[2] | 邵广周,李庆春.联合应用rp变换法和相移法提取面波频散曲线[j].石油地球物理勘探.2010,45(6):836-840??浏览
|
[3] | mcmechangaandyedlinmj.analysisofdispersivewavesbywavefieldtransformation[j].geophysics.1981,46(6):869-874
|
[4] | parkcb,millerrdandxiaj.imagingdispersioncurvesofsurfacewavesonmulti-channelrecords.segtechnicalprogramexpandedabstracts,1998,17:1377~1380
|
[5] | karslih,bayraky.ground-rollattenuationbasedonwienerfilteringandbenefitsoftime-frequencyimaging[j].theheadingedge.2008,27(2):206-209[2]秦臻,张才,郑晓东等.高精度有限差分瑞雷面波模拟及频散特征提取[j].石油地球物理勘探.2010,45(1):40-46??浏览[3]邵广周,李庆春.联合应用rp变换法和相移法提取面波频散曲线[j].石油地球物理勘探.2010,45(6):836-840??浏览[4]mcmechangaandyedlinmj.analysisofdispersivewavesbywavefieldtransformation[j].geophysics.1981,46(6):869-874[5]parkcb,millerrdandxiaj.multi-channelanalysisofsurfacewavesusingvibroseis.segtechnicalprogramexpandedabstracts,1996,15:68~71[6]parkcb,millerrdandxiaj.imagingdispersioncurvesofsurfacewavesonmulti-channelrecords.segtechnicalprogramexpandedabstracts,1998,17:1377~1380[7]周熙襄,王振国.利用瑞利面波调查表层结构的可行性探讨.石油地球物理勘探,004,39(2):181~186zhouxixiangandwangzhenguo.discussiononfeasibilityofusingrayleighwavetoinvestigatenear-surfacestructure.ogp,2004,39(2):181~186[8]zhoutengfei,hutianyue,gezengxi.dispersiverayleighwaveattenuationusinginverse-dispersionmethod.asegextendedacstracss,2010,1~4[9]fosterdjandmoshercc.suppressionofmultiplereflectionsusingtheradontransform.geophysics,1992,57(3):86~395
|
[6] | karslih,bayraky.ground-rollattenuationbasedonwienerfilteringandbenefitsoftime-frequencyimaging[j].theheadingedge.2008,27(2):206-209
|
[7] | parkcb,millerrdandxiaj.multi-channelanalysisofsurfacewavesusingvibroseis.segtechnicalprogramexpandedabstracts,1996,15:68~71
|
[8] | 周熙襄,王振国.利用瑞利面波调查表层结构的可行性探讨.石油地球物理勘探,004,39(2):181~186zhouxixiangandwangzhenguo.discussiononfeasibilityofusingrayleighwavetoinvestigatenear-surfacestructure.ogp,2004,39(2):181~186
|
[9] | zhoutengfei,hutianyue,gezengxi.dispersiverayleighwaveattenuationusinginverse-dispersionmethod.asegextendedacstracss,2010,1~4
|
[10] | fosterdjandmoshercc.suppressionofmultiplereflectionsusingtheradontransform.geophysics,1992,57(3):86~395
|
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