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A Comparison between the Decimated Padé Approximant and Decimated Signal Diagonalization Methods for Leak Detection
Aimé Lay-Ekuakille1, Laura Fabbiano2, Gaetano Vacca3
1Department of Innovation Engineering, University of Salento, 73100 Lecce, Italy. aime.lay.ekuakille@unisalento.it.
Abstract:
Pipelines conveying fluids are considered strategic infrastructures to be protected and maintained. They generally serve for transportation of important fluids such as drinkable water, waste water, oil, gas, chemicals, etc. Monitoring and continuous testing, especially on-line, are necessary to assess the condition of pipelines. The paper presents findings related to a comparison between two spectral response algorithms based on the decimated signal diagonalization (DSD) and decimated Padé approximant (DPA) techniques that allow to one to process signals delivered by pressure sensors mounted on an experimental pipeline.
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