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- W2903810320 abstract "激发深度和检波器耦合效应会影响地震信号的频谱特征。基于实际微测井资料研究地震波主频变化特征可知, 不同深度激发获取的地震子波主频相差近55Hz, 检波器耦合效应使地震子波严重缺失低频信息, 且高频部分出现类似“陷波”现象。基于地表一致性理论, 定量地模拟了不同激发深度以及不同检波器耦合条件对近地表Q值估算结果的影响, 结果表明, 激发深度差异与检波器耦合差异会大幅度降低近地表Q值估算的精度。在大港ZY地区实际双井微测井数据采集过程中, 通过选取合适的井下检波器接收深度以及制作井下助插器等方法保障井下检波器耦合效果, 并采用共激发点资料消除激发条件差异带来的影响, 提高了近地表Q值的估算精度。" @default.
- W2903810320 created "2018-12-22" @default.
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- W2903810320 date "2018-09-25" @default.
- W2903810320 modified "2023-10-17" @default.
- W2903810320 title "激发深度和检波器耦合对近地表 Q 值估算的影响分析" @default.
- W2903810320 doi "https://doi.org/10.3969/j.issn.1000-1441.2018.05.006" @default.
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