A modified method of suppressing narrow-band interference using FFT power spectrum
作者： Xin Luo , Haiqing Niu , Juzhuo Wu
DOI: 10.1109/ICSD.2013.6619806
关键词:
摘要: Suppressing narrow-band interference is one of the key techniques partial discharge (PD) on-line monitoring. Based on characteristics analysis FFT power spectrum PD signals with and without interference, peaks energy ratio defined. Thus, a method suppressing using pretreatment proposed, steps are also detailed. Besides, magnitude fuzzified adaptive fuzzy C-mean threshold algorithm proposed to extract ratio. The denoising results show that could pick from real signal.
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