摘要
地震信号是典型的非平稳信号,信号的功率谱密度是时变的,时频分析方法在非平稳信号分析方面,具有独特优势。本文应用目前常用的时频分析技术对XG油田井旁道进行分析比较,揭示了时频分辨率S变换与小波变换较好,频率衰减梯度属性对储层变化较为敏感,在此基础上应用时频分析技术对本区储层进行了分析与预测。
引文
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