利用平衡正交多小波和维纳滤波方法提高地震记录的信噪比

详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文

英文篇名：Improving the S/N ratio of seismic record by balanced orthogonal multiwavelet and Wiener filter method 中文刊名：天津职业技术师范学院学报 英文刊名：Journal of Tianjin University of Technology and Education 作者：吴爱弟 ; 何文章 英文作者：WU Ai-di ; HE Wen-zhang(Department of Mathematics and Physics ; Tianjin University of Technology and Education ; Tianjin 200333 ; China) 中文关键词：平衡多小波 ; 多尺度函数 ; 信噪比 ; 维纳滤波 英文关键词：balanced multiwavelet ; multi-scaling function ; signal-noise rate ; Wiener filter 出版日期：2004-12-28 机构：天津工程师范学院数理与信息科学系,天津工程师范学院数理与信息科学系 天津300222 ,天津300222 年：2004 期：04 出版单位：天津职业技术师范学院学报

摘要

结合平衡正交多小波变换和维纳滤波方法对地震剖面进行去噪处理。用两个多小波变换实现在小波域上的维纳滤波,以提高地震剖面的信噪比,试验结果表明,该方法优于单纯的多小波去噪方法。
Denosing process of seismic record is discussed by using balanced orthogonal multiwavelet transform and Wiener filter. Wiener filter in multiwavelet domain can be realized for seismic denoising by using two balanced orthogonal multiwavelet transform. Experimental results show the proposed method outperforms multiwavelet method.

引文

[1]　GoodmanTN,LeeSL.Waveletsofmultiplicity[J].TransAmerMathSoc,1994,342:307—324.
    [2]　JiaRQ,RiemenschneiderSD,ZhouDX.Vectorsubdivisionschemesandmultiplewavelets[J].MathComp,1998,67(10):1533—1563.
    [3]　StrangG,StrelaV.Orthogonalmultiwaveletswithvanishingmoments[J].JOpticalEng,1994,33(4):2104—2107.
    [4]　StrangG,StrelaV.Shortwaveletsandmatrixdilationequations[J].IEEETransonSignalProc,1995,43:108—115.
    [5]　Hwee,Huat,Tan.Newbiorthogonalmultiwaveletsforimagecompression[J].SigalProcessing,1999,79:45—65.
    [6]　JiangQingtang.Orthogonalmultiwaveletswithoptimumtime frequencyresolution[J].IEEETransonSignalProc,1998,46:830—844.
    [7]　GraceS,ChangBY,MartinV.Adaptivewaveletthresholdingforimagedenoisingandcompression[J].IEEETransonImageProcessing,2000,(9):1532—1546.
    [8]　LebrunJ,VetterliM.High orderbalancedmultiwavelets:theory,Factorizationanddesign[J].IEEETransSP,2001,49(9):1918—1929.
    [9]　ShenLixin,HweeHT.Onafamilyoforthonormalscalarwaveletsandrelatedbalancedmultiwavelets[J].IEEETransSP,2001,49(7):1447—1453.
    [10]　IvanWS.BalacedmultiwaveletbasesbasedonsymmetricFIRfilters[J].IEEETransSP,2000,48(1):184—191.