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《Computing Techniques For Giophysical and Geochenical Exploration》 2001-01
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FRACTAL NOISE、 MULTI FRACTAL FILTERING AND THEIR APPLICATIONS TO WELL LOGGING DATA PROCESSING

LI Qing mou , LIU Shao hua (Institude of geology and geoplyscs, Chinese academy of Sciences, Beijing100101, China)  
The white noise, Brown and other signals which present the linear characteristics in the power spectra frequency space with bi logarithm coordinates are of the fractal structure, self similarity and scale independence. Geophysical data are the stack of these kinds of signals and thus present multi fractal characteristics. It is of great significance to simulate, recognize these kinds of signals for understanding the related genesis mechanisms of geological and geophysiccal processes. From the processing results of two well logging data, it can be roughly recognized that the selected well logging curves with multi fractal characteristics are stack responses of the different sedimentary procedures. Therefore, to discompose these signals by filtering can help to understand possible sedimentary dynamic procedures. Finally, a windows software package was developed to achieve the flexibility of the method.
【Key Words】: multi fractal paleoclimate environment well logging multi fractal filtering
【Fund】: 中国自然科学基金!资助项目 (D497742 37)
【CateGory Index】: P631.8
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