| 基于小波阈值的地震信号去噪处理 |
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| 引用本文： | 刘霞,潘洪屏.基于小波阈值的地震信号去噪处理[J].科学技术与工程,2010,10(29). |
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| 作者姓名： | 刘霞 潘洪屏 |
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| 作者单位： | 1. 东北石油大学电气信息工程学院,大庆,163318
2. 宏伟热电厂,大庆,163411 |
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| 摘 要： | 地震信号去噪处理是地震勘探所要解决的一项主要任务，提高地震信号信噪比也相应显得尤为重要。本文提出由heursure选取阈值和软阈值函数对测试信号、合成地震信号及实际地震数据进行二次小波分解分层量化处理，与常规小波阈值去噪相比，对含有高频分量的信号，该方法具有很好的去噪效果。
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| 关 键 词： | 地震信号 小波变换 阈值 去噪 |
| 收稿时间： | 2010/7/22 0:00:00 |
| 修稿时间： | 2010/7/22 0:00:00 |
Seismic Data De-noising Based on Wavelet Thresholding |
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| Liu Xia and Pan hongping.Seismic Data De-noising Based on Wavelet Thresholding[J].Science Technology and Engineering,2010,10(29). |
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| Authors: | Liu Xia and Pan hongping |
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| Affiliation: | Northeast Petroleum University |
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| Abstract: | De-noising of seismic data is a main task of geophysical exploration, improving the signal-to-noise radio is turning to more and more important accordingly. This paper selects the threshold by heursure method and soft threshold function, launches process of second-decomposition on wavelet layer quantification to test signal, synthetic seismic signals and practical seismic data. Compared with conventional wavelet threshold de-noising, this method has more advantage on de-noising to the signal containing high frequency components. |
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| Keywords: | Seismic data Wavelet Transform Threshold De-noising |
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