李雪英;裴江云;张惠瑜;吴鹏;刘心宇;

• 1:东北石油大学地球科学学院

• 2:大庆油田博士后科研工作站

• 3:东北石油大学博士后科研流动站

• 4:大庆油田有限责任公司勘探开发研究院

摘要(Abstract)：

为了考察基于等效Q值的反Q滤波方法补偿效果的影响因素,从信噪比、等效Q值精度、调谐频率和门限阈值等方面进行研究.结果表明:信噪比越低,稳定性问题越难控制,补偿效果越不好.等效Q值选取偏小,将导致补偿过大;等效Q值选取偏大,将导致补偿不足.选择最高截止频率比选择峰值频率的频散校正效果好,地震波走时更加准确.门限阈值越大,振幅补偿越大,补偿后的振幅越接近无黏性吸收时的振幅,但将增加算法的不稳定.该研究可为在实际资料处理中正确使用反Q滤波技术提供指导.

关键词(KeyWords)：反Q滤波;等效Q值;门限阈值;调谐频率;信噪比

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2011ZX05008-006-42);; 黑龙江省博士后基金项目(LBH-Z12002);; 黑龙江省教育厅科技项目(12513069)

作者(Author):李雪英;裴江云;张惠瑜;吴鹏;刘心宇;

Email:

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