| 瞬时吸收率检测与高频噪声的剔除 |
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| 引用本文： | 凌云,周熙襄.瞬时吸收率检测与高频噪声的剔除[J].石油地球物理勘探,1995,30(6):775-787,796. |
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| 作者姓名： | 凌云 周熙襄 |
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| 作者单位： | 石油地球物理勘探局研究院!072750(凌云，俞寿朋)，成都理工学院(周熙襄) |
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| 基金项目： | 国家自然科学基金，中国科学院资助，中国石油天然气总公司资助，大庆石油管理局联合资助 |
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| 摘 要： | 在高分辨率处理过程中，由于地震数据记录中存在着一类并不被人们十分注意的，但影响却十分严重的高频噪声，使得高分辨率处理结果陷入一种“混沌”状态。为此，本文仔细分析和研究了这类噪声产生的物理机制和原因，并提出瞬时吸收率检测与高频噪声剔除的方法。
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| 关 键 词： | 高分辨率处理 瞬时吸收率 高频噪声 地震勘探 |
Instantaneous absorptivity detection and high-frequency noise elimination |
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| Ling Yun.Instantaneous absorptivity detection and high-frequency noise elimination[J].Oil Geophysical Prospecting,1995,30(6):775-787,796. |
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| Authors: | Ling Yun |
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| Abstract: | The results of high-resolution data processing often fall into "chaotic state"(divergence and low signal/noise ratio) because of the severe influence of the high-frequency noise that hasn't been fully noticed by people in high resolution data processing. Hence, we analyse in detail how this kind of noise generates. We then put forward the method for instantaneous absorptivity detection and high-frequency noise elimination. The method can preserve effective signals but suppress harmful high frequency noise as much as possible. It can be a good means for high resolution data Processing. |
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| Keywords: | high-resolution data processing instantaneous absorptivity high frequency noise chaos wavelet notes elimination |
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