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阵列声波全波列测井信号波至提取的小波变换方法
石油物探
1997年 36卷 第No. 2期
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Title
A wavelet transform approach to the extraction of the signal arrival from the array full wavetrain acoustic log
单位
西安交通大学电子与信息工程学院信息工程研究所,西安 710049
Organization
Department of Electronic Engineering, Xi' an Petroleum Institute, Xi' an 710049
摘要
本文根据阵列声波全波列组分波的波形特征,建立了适合其特征的检测信号模型。提出了一种基于小波变换的检测这类信号波至的方法。应用此方法,精确地实现了对实测海洋阵列声波全波列测井信号波至的提取。
Abstract
In accordance with the waveform characteristics of the array full wavetrain acoustic compo-nent wave,a signal detection model adapting to the characteristics has been constructed. And amethod based on wavelet transform has been raised for detecting the signal arrival. By using themethod, we precisely implement the extraction of signal arrival for the real marine array full wavetrain acoustic log.
关键词：
阵列声波全波列测井信号;
纵波;
横波;
斯通利波;
连续小波变换;
Keywords:
Array Full Wavetrain Acoustic Log;
P-Wave;
S-Wave;
Stoneley Wave;
Continuous Wavelet Transform;
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