| 声波测井信号的分形特征研究 |
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| 引用本文： | 李云省,肖先赐.声波测井信号的分形特征研究[J].信号处理,2002,18(2):186-188. |
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| 作者姓名： | 李云省 肖先赐 |
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| 作者单位： | 电子科技大学,成都,610054 |
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| 摘 要： | 许多研究认为，测井信号在纵向上的分布具有分数高斯噪音（ｆＧｎ）特征。如果对不同的地层套用相同的模型就会导致输出结果与实际情况不符。本文根据实际资料，利用Ｒ／Ｓ分析、谱密度分析等手段对声波时差测井信号分段进行了分析。结果发现，声波时差测井信号在纵向上的分布可以同时服从分数高斯噪音（ｆＧｎ）和分数布朗运动（ｆＢｍ）。由于分形模型的判别是一切分形地质统计研究的基础，因此，本文的研究对声波测井信号的分析具有较高的实际意义。
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| 关 键 词： | 声波测井信号 分形模型 R/S分析 谱密度分析 |
| 修稿时间： | 2001年9月6日 |
A Study on the Fractal Characterization of Sonic Logging Signal |
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| Li Yunsheng,Xiao Xianci.A Study on the Fractal Characterization of Sonic Logging Signal[J].Signal Processing,2002,18(2):186-188. |
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| Authors: | Li Yunsheng Xiao Xianci |
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| Affiliation: | University of Electronic Science and Technology of China |
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| Abstract: | Most researchers regard the vertical distribution of well logging signal as fractal Gaussian noise (fGn). Some Sonic logging record is studied in this paper. It shows that the vertical distribution of the record can be fractal Gaussian noise (fGn) or fractal Brownian motion (fBm). Now most studies on fractal geostatistics use fractal models without any analysis. So the results do not fit the fact. As the recognition of the fractal model is the base of most study in fractal geostatistics, the study in this paper will fill the caps of the fractal geostatistics theory. |
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| Keywords: | Sonic logging signal Fractal model R/S analysis Spectral density analysis |
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