一种新的地震子波提取与层速度反演方法
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摘要
粒子群优化算法是近十年发展起来的一种基于群智能的非线性全局最优化新方法.本文详细介绍了粒子群优化算法的基本原理,并将其应用到子波提取与层速度反演中.通过模拟数值算例,从不同角度研究了粒子群优化算法的可行性及其效率问题.试算结果表明,粒子群优化算法在不同分辨率、不同信噪比、不同相位子波合成的地震记录反演中效果明显.
Based on swarm intelligence,particle swarm optimization(PSO) algorithm is a kind of nonlinear global optimization method which is advanced for this decade.This paper introduced its basic principle in detail,and applied it to wavelet extraction and interval velocity inversion.Based on numerical simulation,we studied its feasibility and efficiency from different aspects.From the results it showed that the method has good effects in synthetic seismogram inversion with different resolution,signal to noise ratio and phase.
Based on swarm intelligence,particle swarm optimization(PSO) algorithm is a kind of nonlinear global optimization method which is advanced for this decade.This paper introduced its basic principle in detail,and applied it to wavelet extraction and interval velocity inversion.Based on numerical simulation,we studied its feasibility and efficiency from different aspects.From the results it showed that the method has good effects in synthetic seismogram inversion with different resolution,signal to noise ratio and phase.
引文
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[2]李国发,牟永光,王濮.交互地震子波提取技术[J].石油大学学报(自然科学版),2005,29(5):33~36.
[3]Sacchi M D,Ulrych T J.Nonminimum-phase wavelet esti-mation using higher order statistics[J].The Leading Edge,2000,19(1):80~83.
[4]赵秋亮,李录明,罗省贤.基于分形方法的地震子波提取及应用[J].石油物探,2005,44(1):7~11.
[5]邹强,周熙襄,钟本善.旅行时与波阻抗联合反演求取层速度[J].石油地球物理勘探,2003,38(4):396~399.
[6]赵宪生,梁桂蓉,罗运先.子波反演与波阻抗反演[J].物探化探计算技术,1999,21(3):206~211.
[7]梁光河.测井约束地震子波外推方法研究[J].石油地球物理勘探,1998,33(3):296~298.
[8]张广智,刘洪,印兴耀.井旁道地震子波精细提取方法[J].石油地球物理勘探,2005,40(2):158~162.
[9]张厚柱,杨慧珠,徐秉业.用遗传算法反演层速度[J].石油地球物理勘探,1995,30(5):633~644.
[10]魏超,朱培民,王家映.量子退火反演的原理和实现[J].地球物理学报,2006,49(2):577~583.
[11]杨光大,陈湛文.地震资料波阻抗多尺度融合反演[J].地球物理学进展,2005,20(3):718~723.
[12]张宏兵,尚作萍,杨长春,等.波阻抗反演正则参数估计[J].地球物理学报,2005,48(1):181~188.
[13]刘振宽,金成志,吴世旗,等.模拟退火波阻抗反演及其应用[J].大庆石油地质与开发,2003,22(6):67~68.
[14]张宏兵,尚作萍,谭胜章,等.波阻抗反演的快速模拟退火算法[J].河海大学学报(自然科学版),2005,33(4):434~437.
[15]崔建军,何继善,吴燕清,等.用神经网络技术进行地震波速反演[J].有色金属,2001,53(2):14~16.
[16]杨立强,宋海滨,郝天珧.基于BP神经网络的波阻抗反演及应用[J].地球物理学进展,2005,20(1):34~37.
[17]赵秋亮.基于非线性方法的地震子波提取及波阻抗反演[D].成都:成都理工大学,2005.
[18]陈双全,王尚旭,李敏,等.地震波阻抗反演的蚁群算法实现[J].石油物探,2005,44(6):551~553.
[19]李晶.波阻抗的遗传算法反演方法研究及应用[D].成都:成都理工大学,2001.
[20]Eberhart R C,Shi Y.Particle swarm optimization:develop-ments,applications and resources[A].In:Proceedings of theIEEE Congress on Evolutionary Computation[C].Piscat-away,NJ:IEEE Service Center,2001,81~86.
[21]Kennedy J,Eberhart R C.Particle Swarm Optimization[A].In:Proc.IEEE International Conference on Neural Networks,IV[C].Piscataway,NJ:IEEE Service Center,1995,1942~1948.
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