计算机科学 ›› 2013, Vol. 40 ›› Issue (Z11): 409-411.
曹晓初,金弟,王宗仁,王启迪
CAO Xiao-chu,JIN Di,WANG Zong-ren and WANG Qi-di
摘要: 从地震勘探资料中提取地震瞬时属性具有十分重要的意义,而基于信号局部特征的经验模态分解为非线性非稳定信号提供了一种全新的瞬时属性提取方法。对经验模态分解算法在GPU架构上的并行处理实现进行了分析和研究。通过实验对比测试表明,GPU架构下的算法运行效率较CPU具有明显优势。在测试数据中,GPU加速比最高达到了8.66倍。
[1] 皮红梅,刘财,王典.利用Hilbert-Huang变换提取地震信号瞬时参数[J].石油地球物理勘探,2007,42(4) [2] Xie K,Wu P,Yang S.GPU and CPU cooperation parallel visua-lisation for large seismic data[J].Electronics Letters,2010(17) [3] Waskito P,Miwa S,Mitsukura Y,et al.Parallelizing Hilbert-Huang transform on a GPU[J].Networking and Computing (ICNC),2010 [4] Yu Wen-mao,Xie Kai,Yu Huo-quan,et al.Hilbert-HuangTransformation of Large Seismic Data Based on GPU[C]∥Intelligence Science and Information Engineering (ISIE).2011 [5] NVIDIA官方网站.http://www.nvidia.cn/object/product_tesla_C2050_C2070_cn.html [6] 韩俊刚,刘有耀,张晓.图形处理器的历史现状和发展趋势[J].西安邮电学院学报,2011,16(3) [7] Huang N E.The Empirical Mode Decomposition and the Hilbert Spectrum for Nonlinear and Non-stationary Time Series Analysis[J].J.Proc.R.Soc.Lond.A,1998,4:903-995 [8] 万剑怡,孙永强,薜锦云,一种基于设计模式的三阶段并行程序设计方法[J].计算机研究与发展,2002,39(3) [9] Huang N E,Wu Z.A review on Hilbert-Huang transform:method and its applications to geophysical studies[J].Reviews of Geophysics,2008,6(2) [10] Flandrin P,Rilling G,Goncalvés P.Empirical mode decomposition as a filterbank[J].IEEE SIGNAL Proc Lett.,2004,1:112-114 [11] Nvidia Corporation.NVIDIA CUDA C Programming GuideVersion 4.2[Z].2012 [12] 刘慧婷,程家兴,张旻.利用Hilbert变换提取信号瞬时特征的算法实现[J].微机发展,2003,13(6) |
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