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- W2521013666 abstract "The subject matter of this paper refers to the improvement of the use of the acoustic emission (AE) method in diagnostics of paper-oil insulation systems of power appliances. The paper will present modern processing methods of the AE signals registered during diagnostic measurements of power transformers. First of all, the results of the timefrequency analysis using a short-time Fourier transform and continuous and discrete wavelet transforms will be presented. Additionally, there will be presented power diagrams, autocovariance function runs and power density spectra for the wavelet decomposition levels calculated. In Summing-up there will be presented a comparative analysis of the results obtained by using a standard fast Fourier transform (FFT) and the results of the wavelet transformations of the AE pulses measured. Moreover, the advantages of the signal processing using time-frequency analyses will be brought into prominence and potential possibilities of their application in power engineering will be indicated." @default.
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- W2521013666 date "2006-01-01" @default.
- W2521013666 modified "2023-09-23" @default.
- W2521013666 title "The Application of Modern Signal Processing Methods in the Acoustic Emission Method for the Measurement of Insulation Systems of Power Transformers" @default.
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