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Non-destructive inspection method for heat exchangers using adaptive noise thresholding
Non-destructive inspection method for heat exchangers using adaptive noise thresholding
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机译:基于自适应噪声阈值的换热器无损检测方法
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摘要
A method of eddy current testing for flaws in a tube is provided that includes passing an eddy current probe through the tube and obtaining eddy current data for a number of positions along the tube; analyzing the eddy current data to generate background noise data for a number of positions along the tube, analyzing the eddy current data to generate extracted data for a number of positions along the tube; and determining whether a flaw of a particular category is present in the tube based on a set of one or more of rules applied to at least a portion of the extracted data, wherein at least one of the rules uses a particular part of the extracted data and employs a threshold that is a function a particular part of the background noise data that is associated with the particular part of the extracted data.
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