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Articles by Yunjiang Wang
Total Records ( 1 ) for Yunjiang Wang
  Binfeng Yang , Bin Li and Yunjiang Wang
  Pulsed eddy current (PEC) nondestructive testing (NDT), as for most of EC techniques, is prone to lift-off effect, which influences the interpretation and quantification of flaw. A new technique for reducing the lift-off effect and quantifying flaw based on sensor design and frequency spectrum analysis is proposed. The technique exploits the self-differential feature of the sensor and the broadband frequency spectral content of pulsed excitation. Results show that the lift-off has been significantly reduced and the precision of quantification of flaw has been improved.
 
 
 
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