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Issue:
Comparison of several computational methods of quality factor
Author(s):
Gong Tongju
,
Sun Chengyu
,
Peng Hongchao
,
Xiao Yunfei
,
Sun Tiantian
Pages:
252
-
256
Year:
2009
Issue:
4
Journal:
Progress in Exploration Geophysics
Keyword:
品质因子
;
地层吸收
;
地震波传播
;
微测井
;
Abstract:
地层的品质因子对衡量地震波传播过程中的能量衰减具有重要意义.实际上对品质因子的反演困难且存在不确定性.基于介质中的地震波传播理论,从方法原理、模型试算和实际资料验证等方面,对比分析了目前常用的5种提取品质因子的方法,即频谱比法、中心频率偏移法、上升时间法、振幅衰减法和解析信号法,认为:频率域方法更稳定,多种方法应联合使用等.
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