Document Type thesis Author Name Agunwamba, Chukwunomso URN etd-011410-232420 Title A MATLAB Program to implement the band-pass method for discovering relevant scales in surface roughness measurement Degree MS Department Mathematical Sciences Advisors Homer F. Walker, Advisor Christopher A. Brown, Advisor Keywords band-pass filter surface roughness scale based decomposition Date of Presentation/Defense 2010-01-14 Availability unrestricted
This project explores how to use band-pass filtering with a variety of filters to filter both two and three dimensional surface data. The software developed collects and makes available these filtering methods to support a larger project. It is used to automate the filtering procedure. This paper goes through the work-flow of the program, explaining how each filter was implemented. Then it demonstrates how the filters work by applying them to surface data used to test correlation between friction and roughness [Berglund and Rosen, 2009]. It also provides some explanations of the mathematical development of the filtering procedures as obtained from literature.
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