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Method for Near-Real-Time, High-ResolutionSignal Filtering in Noisy Environments
Method for Near-Real-Time, High-ResolutionSignal Filtering in Noisy Environments
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机译:嘈杂环境中的近实时,高分辨率信号滤波方法
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摘要
Systems and methods for downhole signal filtering. A method for downhole signal filtering may comprise defining outliers as isolated values; providing thresholds; determining the outliers from a buffer; computing a difference in slowness between adjacent pairs of values; comparing the adjacent pairs of values to other values in a same window; determining if the adjacent pairs of values vary more than the threshold; assigning a 2D flag array a value of 0 if the adjacent pairs of values vary more than the threshold; and computing a 75% percentile distribution for each adjacent pair of values to determine if each adjacent pair of values are the outliers.
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