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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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格林函数高斯束逆时偏移
Keywords: 高斯束,格林函数,逆时偏移,kirchhoff积分,叠加
Abstract:
？本文以kirchhoff积分法偏移为基础，采用高斯束叠加积分表示的格林函数表示正反向延拓波场，并利用正反向延拓波场互相关成像条件得到地下成像结果。模型试算和实际资料处理结果表明：高斯束逆时偏移方法结合了射线类偏移方法的高计算效率和逆时波动方程偏移的高精度，能很好地处理焦散点、大倾角等成像问题，并且具有面向目标成像的能力。
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| [2] | hillnr.prestackgaussian-beamdepthmigration[j].geophysics.2001,66(4):1240-1250
|
| [3] | nowackr,senmkandstoffapl.gaussianbeammigrationforsparsecommon-shotandcommon-receiverdata.segtechnicalprogramexpandedabstracts,2003,22:1114-1117.
|
| [4] | 岳玉波.复杂介质高斯束偏移成像方法研究[博士论文].山东青岛:中国石油大学(华东),2011
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| [5] | zhangyu,zhangguanqaun.explicitmarchingmethodforreverse-timemigration.segtechnicalprogramexpandedabstracts,2007,26:2300-2303.
|
| [6] | popovmm.anewmethodofcomputationofwavefieldsusinggaussianbeams[j].wavemotion.1982,4(1):85-97
|
| [7] | hillnr.gaussianbeammigration[j].geophysics.1990,55(11):1416-1428
|
| [8] | graysh.gaussianbeammigrationofcommon-shotrecords.geophysics,2005,70(4):s71-s77.
|
| [9] | albertinu,yingstdandkitchensidep.true-amplitudebeammigration.segtechnicalprogramexpandedabstracts,2004,23:398-401.
|
| [10] | grayshandbleisteinn.true-amplitudegaussian-beammigration.geophysics,2009,74(2):s11-s23.
|
| [11] | hemonc.equationsd'ondeetmodeles[j].geophysicalprospecting.1978,26(4):790-821
|
| [12] | mcmechanga.migrationbyextrapolationoftime-dependentboundaryvalues[j].geophysicalprospecting.1983,31(3):413-420
|
| [13] | hayashikandburnsdr.variablegridfinite-differencemodelingincludingsurfacetopography.segtechnicalprogramexpandedabstracts,1999,18:528-531.
|
| [14] | haneymm,lewiscbetal.insightintotheoutputofreverse-timemigration:whatdotheamplitudesmean.segtechnicalprogramexpandedabstracts,2005,24:1950-1953.
|
| [15] | schneiderwa.integralformulationformigrationintwoandthreedimensions[j].geophysics.1978,43(1):49-76
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