魏学强,李辉峰,杨超

• 1:西安石油大学地球科学与工程学院
• 2:中国地震局地球物理勘探中心
• 3:陕西省地质矿产勘查开发局物化探队

摘要(Abstract)：

传统时频分析方法(如傅立叶变换、短时傅立叶变换、小波变换、S变换等)的时频分辨性均不佳,在实际应用中受到一些限制,难以满足高精度时频分析要求.广义S变换,引入λ和p两个参数对S变换进行了扩展,其时频分析效果得到较大提高.对广义S变换方法原理进行了深入研究,编写了广义S变换时频分析程序.通过非平稳线性调频信号和4种典型沉积旋回模型分析,证实了广义S变换的可靠性及优越性.最后,将该方法推广到实际地震资料沉积旋回分析中,取得了良好的效果.

关键词(KeyWords)： 广义S变换;时频分析;沉积旋回

Abstract:

Keywords:

基金项目(Foundation): 国家科技重大专项“海上斜井井间地震成像处理技术及应用研究”(编号:2011ZX05024-001-03);; 西安石油大学研究生创新基金项目(编号:2011CX100830)

作者(Author): 魏学强,李辉峰,杨超

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