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基于子波变换提取全波列声波测井信号波前的新方法
A Novel Approach to Detecting Wavefornts of Waves in Full Wavetrain Acoustic Logging Based on Wavelet Transform
【摘要】 本文把平滑过渡信号作为全波列声波测井信号中的各种波的数学模型,研究了其连续子波变换的波形特点,提出了一种提取其起始点的新方法.利用此方法可以精确地提取全波列声波测井信号的滑行纵波、滑行横波及斯通利波的波前。
【Abstract】 In this paper, smooth Transient signals are regarded as mathematical models of waves in full wavetram asoustic logging. By studying waveforms of their continuous wavelet transform, we present a new methos to detect their start points, by which wavefornts of the sliding P-waves, the sliding S-waves and the Stoneley waves in full wavetrain acoustic logging can be estimated precisely.
【关键词】 全波列声波测井;
滑行纵波;
滑行横波;
斯通利波;
子波变换;
【Key words】 Full Wavetrain Acoustic Logging; Sliding P Wave; Sliding S Wave; Stoneley Wave; Wavelet Transform;
【Key words】 Full Wavetrain Acoustic Logging; Sliding P Wave; Sliding S Wave; Stoneley Wave; Wavelet Transform;
- 【文献出处】 信号处理 ,SIGNAL PROCESSING , 编辑部邮箱 ,1997年03期
- 【分类号】TN911
- 【被引频次】6
- 【下载频次】73