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
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