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槽波信号提取方法综述 被引量:4

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摘要 槽波信号的提取,是槽波勘探的前提。本文介绍了一维滤波、二维滤波、T-P变换及黄变换四种常用槽波信号提取的方法。通过实际的应用,分析得出各个方法的优缺点:一维滤波只能提取其主频信息,会造成一部分信号的损失;二维滤波通过波数和频率两个参数控制来提取槽波,取得良好的效果;T-P变换通过视速度来滤波,对于频率没有损失,其局限在于在视速度相差不大的情况下,效果不明显;黄变换对于杂乱的,非对称干扰信号效果较明显,但是若干扰信号恰好也规则,效果不太明显。掌握每种滤波方式的优势和劣势,可以有的放矢的,采用针对性强的滤波方式,达到更好的效果。
作者 胡泽安
出处 《黑龙江科技信息》 2013年第9期43-43,共1页 Heilongjiang Science and Technology Information
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