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OALib Journal期刊
ISSN: 2333-9721
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基于多道局部复值相关的地震信号边缘检测
Keywords: 局部复值相关,多道,地震信号,边缘检测,相关系数属性,相移属性
Abstract:
？地震信号边缘检测是利用地震相干属性识别地震地层特征与边界的有效手段，目前主要利用相关类算法来实现这一目的。与传统的基于实地震信号相关的地震信号边缘检测方法不同，局部复值相关算法首先将实地震道转换成规范化复地震道，然后对相邻两规范化复地震道进行滑动时窗的零延迟复值相关运算，计算简洁，无需传统相干类算法的相似性扫描、倾角扫描或迭代求解等复杂运算，能同时提供用于相干分析的相关系数属性和与地层视倾角有关的相移属性，可以更有效地识别地震信息边缘特征，并且可对相关系数和相移属性进行对比解释，增加了边缘检测的准确性和可信度。此外，针对单道局部复值相关存在的相关系数属性边缘异常不突出和抗噪性较弱的问题，本文提出了改进的多道方法，提高了地震信息边缘异常检测和抗噪声的能力，并将改进的多道算法推广到三维数据，表明该方法是有效的。
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| [2] | bahorichmandfarmers.3-dseismicdiscontinuityforfaultsandstratigraphicfeatures:thecoherencecube.tle,1995,14(10):1053-1058.
|
| [3] | marfurtkj,kirlinrl,farmersletal.3-dseismicattributesusingasemblance-basedcoherencyalgorithm[j].geophysics.1998,63(4):1150-1165
|
| [4] | gersztenkornaandmarfurtkj.eigenstructure-basedcoherencecomputationsasanaidto3-dstructuralandstratigraphicmapping[j].geophysics.1999,64(5):1468-1479
|
| [5] | 王西文,苏明军,刘军迎等.基于小波变换的地震相干的算法及应用.石油物探,2002,41(3):334-338.
|
| [6] | wangxiwen,sumingjun,liujunyingetal.computationofseismiccoherencecubebasedonwavelettransformanditsapplication.gpp,2002,41(3):334-338.
|
| [7] | 宋维琪,刘江华.地震多矢量属性相干数据体计算及应用[j].物探与化探.2003,27(2):128-130
|
| [8] | songweiqiandliujianghua.thecalculationandapplicationofcoherencedatabodyofseismicmulti-vectorattributes[j].geophysical&geochemicalexploration.2003,27(2):128-130
|
| [9] | 张军华,王月英,赵勇等.小波多分辨率相干数据体的提取及应用[j].石油地球物理勘探.2004,39(1):33-38
|
| [10] | zhangjunhua,wangyueying,zhaoyongetal.detectionofcoherentdatavolumebywaveletmulti-resolutionandapplication.ogp,2004,39(1):33-38.
|
| [11] | luwenkai,liyandong,zhangshanwenetal.higher-order-statisticsandsupertrace-basedcoherence-estimationalgorithm.geophysics,2005,70(3):p3-p18.
|
| [12] | songjianguo,wanghaikun,muxing.researchandimplementationofcoherealgorithmbasedondoa.progressingeophys,2010,25(5):1662-1669.
|
| [13] | tanermt,koehlerfandsheriffre.complexseismictraceanalysis[j].geophysics.1979,44(6):1041-1063
|
| [14] | o'dohertyrfandtanermt.amethodofcomputinginstantaneousfrequencyanddip.54theageconferenceandexhibitionexpandedabstracts,1992,180-181.
|
| [15] | marfurtkj.robustestimatesof3dreflectordipandazimuth.geophysics,2006,71(4):p29-p40.
|
| [16] | browaeystj.complex-valuedcorrelationandseismicattributes.segtechnicalprogramexpandedabstracts,2009,28:1053-1057.
|
| [17] | browaeystj.localcomplex-valuedcorrelationofseismicphases.segtechnicalprogramexpandedabstracts,2010,29:1423-1427.
|
| [18] | 朱永松,国澄明.基于相关系数的相关匹配算法的研究[j].信号处理.2003,19(6):531-534
|
| [19] | zhuyongsongandguochengming.theresearchofcorrelationmatchingalgorithmbasedoncorrelationcoefficient.signalproccessing,2003,19(6):531-534.
|
| [20] | coheniandcoifmanrr.localdiscontinuitymeasuresfor3-dseismicdata[j].geophysics.2002,67(6):1933-1945
|
| [21] | yandongliandwenkailu.dipscanningcoherencealgorithmusingeigenstructureanalysisandsuper-tracetechnique.segtechnicalprogramexpandedabstracts,2004,23:2152-2155.
|
| [22] | 宋建国,王海昆,穆星.基于doa的相干算法研究与应用.地球物理学进展,2010,25(5):1662-1669.
|
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