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were analyzed. The simulation results indicate that quasi-TEM is the main propagation mode of EM wave, UHF signal intensity is related with the detection distance and the original PD pulse waveform.
elektromagnetycznej.
defect signals. The experimental results show that the multi-sensor joint detection technology will help to identify the PD signals from the interference noises and improve the localization accuracy.
lokalizacji.
statistical parameters are extracted and employed to find the different representation of the defect models in power cables. The results show that statistics method and are useful and effective in the partial discharge signals analysis.
statystyczne są dobrym narzędziem analizy sygnału częściowego wyładowania.
the reassignment theory for analyzing the PD of GIS. After the processing of the PD signals simulated and on field, we conclude that this method provides a higher concentration in the time-frequency plane and reduces the most influence of the cross-interference terms.
wskazują że metoda redukuje wpływ składowej interferencji krzyżowej.
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