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METHOD AND ALGORITHMS FOR INSPECTION OF LONGITUDINAL DEFECTS IN AN EDDY CURRENT INSPECTION SYSTEM
METHOD AND ALGORITHMS FOR INSPECTION OF LONGITUDINAL DEFECTS IN AN EDDY CURRENT INSPECTION SYSTEM
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机译:涡流检测系统中纵向缺陷的检测方法和算法
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摘要
A collection of data processing algorithms which, used in concert, are suitable for use in place of a high pass filter stage in an eddy current inspection system and provide for a system optimized to inspect test pieces for elongated defects running parallel to the scan axis. The algorithms use mathematical techniques to eliminate baseline impedance offset between test pieces, correct for offset drift during a scan, and allow for system balancing using only a set of test pieces of unknown quality.
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