|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
高斯波束共角度保幅深度偏移
Keywords: 高斯波束偏移,保幅,角度域,共成像点道集,成像条件
Abstract:
？高斯波束偏移是一种准确、灵活、高效的深度偏移方法,不但具有接近于波动方程偏移的成像能力,还可以对陡倾角地层以及各向异性介质进行成像。由于高斯波束偏移过程中含有地下射线的传播角度信息,因而可以利用此角度信息直接提取角度域共成像点道集,而不需要波动方程偏移中复杂的映射转换。本文首先介绍了高斯波束偏移的基本原理,然后实现了基于互相关成像条件的保幅高斯波束偏移,并提出了角度域共成像点道集的提取方法。模型和实际资料的试算分析表明,此方法是有效的。
| [1] | geoltrains,,bracj.canweimagecomplexstruc-tureswithfirst-arrivaltraveltime.geophysics.2000[2]xus,lambarg,calandrah.fastmigration/inver-sionwithmulti-arrivalrayfields:part2—applicationtothe3dseg/eagesaltmodel.geophysics.2004[3]hillnr.gaussianbeammigration.geophysics.1990[4]razs.beamstacking—ageneralizedpreprocessingtechnique.geophysics.1987[5]graysh.gaussianbeammigrationofcommon-shotrecords.geophysics.2005[6]zhangy,xus,bleisteinn,zhangg.true-ampli-tude,angle-domain,common-imagegathersfromone-waywave-equationmigrations.geophysics.2007[7]vanellec,spinnerm,hertweckt.traveltime-basedtrue-amplitudemigration.geophysics.2006[8]gray,s.h,bleistein,n.true-amplitudegaussian-beammigration.geophysics.2009[9]y.zhang,g.q.zhang.theoryoftrueamplitudeone-waywaveequationsandtrue-amplitudecommon-shotmigration.geophysics.2005[10]xus,lambareg.fastmigration/inversionwithmultivaluedrayfields:part1-method,validationtest,andtheapplicationin2-dtomarmousi.geophysics.2004[11]hillnr.prestackgaussian-beamdepthmigration.geophysics.2001[12]hillnr.prestackgaussian-beamdepthmigration.geophysics.2001[13]nowack,r.l,sen,m.k,stoffa,p.l.gaussianbeammigrationforsparsecommon-shotandcommon-receiverdata.73thann.internat.mtg.soc.expl.geophys.expandedabstracts.2003[14]popov,m.m.anewmethodofcomputationofwavefieldsusinggaussianbeams.wavemotion.1982[15]zhangy,zhangg,bleisteinn.trueamplitudewaveequationmigrationarisingfromtrueamplitudeone-waywaveequations.inverseproblems.2003[16]albertinu,tcheverdav,yingstd,kitchensidep.true-amplitudebeammigration.74thannualinternationalmeeting,seg,expandedabstracts.2004[17]claerboutjf.towardaunifiedtheoryofreflectormapping.geophysics.1971
|
| [2] | geoltrains,,bracj.canweimagecomplexstruc-tureswithfirst-arrivaltraveltime.geophysics.2000
|
| [3] | xus,lambarg,calandrah.fastmigration/inver-sionwithmulti-arrivalrayfields:part2—applicationtothe3dseg/eagesaltmodel.geophysics.2004
|
| [4] | hillnr.gaussianbeammigration.geophysics.1990
|
| [5] | razs.beamstacking—ageneralizedpreprocessingtechnique.geophysics.1987
|
| [6] | graysh.gaussianbeammigrationofcommon-shotrecords.geophysics.2005
|
| [7] | zhangy,xus,bleisteinn,zhangg.true-ampli-tude,angle-domain,common-imagegathersfromone-waywave-equationmigrations.geophysics.2007
|
| [8] | vanellec,spinnerm,hertweckt.traveltime-basedtrue-amplitudemigration.geophysics.2006
|
| [9] | gray,s.h,bleistein,n.true-amplitudegaussian-beammigration.geophysics.2009
|
| [10] | y.zhang,g.q.zhang.theoryoftrueamplitudeone-waywaveequationsandtrue-amplitudecommon-shotmigration.geophysics.2005
|
| [11] | claerboutjf.towardaunifiedtheoryofreflectormapping.geophysics.1971
|
| [12] | xus,lambareg.fastmigration/inversionwithmultivaluedrayfields:part1-method,validationtest,andtheapplicationin2-dtomarmousi.geophysics.2004
|
| [13] | hillnr.prestackgaussian-beamdepthmigration.geophysics.2001
|
| [14] | hillnr.prestackgaussian-beamdepthmigration.geophysics.2001
|
| [15] | nowack,r.l,sen,m.k,stoffa,p.l.gaussianbeammigrationforsparsecommon-shotandcommon-receiverdata.73thann.internat.mtg.soc.expl.geophys.expandedabstracts.2003
|
| [16] | popov,m.m.anewmethodofcomputationofwavefieldsusinggaussianbeams.wavemotion.1982
|
| [17] | zhangy,zhangg,bleisteinn.trueamplitudewaveequationmigrationarisingfromtrueamplitudeone-waywaveequations.inverseproblems.2003
|
| [18] | albertinu,tcheverdav,yingstd,kitchensidep.true-amplitudebeammigration.74thannualinternationalmeeting,seg,expandedabstracts.2004
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
