热喷涂涂层厚度的超声无损检测方法研究(4)

发布时间:2021-06-05

无勋检测

北京T业大学T学硕.Jj学位论文

factors.Theresultsofanalysisshowthatvariedthickness,variedsamplingfrequency,variedextractionmethod

onandvariedwaveletgreatlyimpactedonaccuracyofultrasonicmeasuringthethicknessofcoatedlayer.

Keywordsultrasonicnon-destructivetesting;coatedlayer;waveletanalysis;wavelettransformmodulusmaximaⅣ

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