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中文摘要：
针对测井曲线以深度为轴反映地质信息的性质,结合时间序列相似性分析,提出基于形态特征的测井曲线相似性搜索方法。采用综合活度分析法在子序列划分的基础上对测井曲线进行对比,综合序列的趋势、深度跨度以及波动幅度三种形态特征,将对比序列的斜率差进行加权来度量子序列的相似性。该度量方法强调曲线形态变化程度,有效描述曲线形态差异,物理意义明确。实验表明该方法能够有效用于测井曲线相似性搜索。
英文摘要：
Focusing on the well-logging curve with an axis of depth to reflect geological information and similarity analysis of time series, this paper proposed a searching method of well-logging curve similarity based on the morpholo-gieal characteristics. Using the method of comprehensive activity analysis to divide the well-logging curve into contrast subsequences, and combined with the morphological characteristics, including sequence trend, depth span, and fluctuation range. This paper aimed at measuring the similarity of contrast sequences by weighting the slop difference. This method put an emphasis on the morphological changes, described the morphological differences effectively, and had definite physical meaning. The experiments show the effectiveness of this method.
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