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Research of spectrum decomposition method based on physical wavelet transform and its application
Author(s): ZHU Zhen-Yu, LU Ding-You, SANG Shu-Yun, ZHANG Jin-Miao, XU Ping
Pages: 2152-
2157
Year: 2009
Issue:
8
Journal: Chinese Journal of Geophysics
Keyword: 频谱分解; 小波变换; 物理小波; 频谱成像;
Abstract: 在地震资料频谱分解中,采用匹配地震子波的物理小波,依据地震信号的特征,用振幅、能量衰减率、能量延迟时间及地震子波的中心频率等四类参数构造基本小波,把地震信号分解在小波域,高频分晕能够得到精细的刻画.本文以物理小波变换为工具,给出了该变换中的核函数的选择方法,进而提出了基于物理小波变换的频谱成像方法.我们将此方法用于海上某油田河流相储层的描述,并与常规软件中的小波变换频谱成像结果进行了对比,结果表明...
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