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[33984] Artykuł: Analyzing Variations in Roundness Profile Parameters During the Wavelet Decomposition Process Using the Matlab EnvironmentCzasopismo: Metrology and Measurement Systems Tom: 18, Zeszyt: 1, Strony: 25-33ISSN: 0860-8229 Wydawca: POLISH ACAD SCIENCES COMMITTEE METROLOGY & RES EQUIPMENT, UL MIODOWA 10, WARSAW, 00251, POLAND Opublikowano: 2011 Autorzy / Redaktorzy / Twórcy Grupa MNiSW: Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A) Punkty MNiSW: 20 Klasyfikacja Web of Science: Article Web of Science YADDA/CEON Keywords: mother wavelet  Fourier transform  wavelet transform  surface texture  surface roundness  roundness profile parameters  |
Signal analysis performed during surface texture measurement frequently involves applying the Fourier transform. The method is particularly useful for assessing roundness and cylindrical profiles. Since the wavelet transform is becoming a common tool for signal analysis in many metrological applications, it is vital to evaluate its suitability for surface texture profiles. The research presented in this paper focused on signal decomposition and reconstruction during roundness profile measurement and the effect of these processes on the changes in selected roundness profile parameters. The calculations were carried out on a sample of 100 roundness profiles for 12 different forms of mother wavelets using MATLAB. The use of Spearman's rank correlation coefficients allowed us to evaluate the relationship between the two chosen criteria for selecting the optimal mother wavelet.