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LIN Qing-song, CHEN Qing-hua. Research of Problem of Spectrum Leakage in Harmonics Detectio[J]. Journal of Mine Automation, 2010, 36(2): 53-56.
Citation: LIN Qing-song, CHEN Qing-hua. Research of Problem of Spectrum Leakage in Harmonics Detectio[J]. Journal of Mine Automation, 2010, 36(2): 53-56.
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Research of Problem of Spectrum Leakage in Harmonics Detectio

  • School of Electronic and Information Engineering of Henan University of Science and Technology,Luoyang 471003,China

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  • The paper investigated the problem of spectrum leakage in harmonics detection of power system based on FFT,analyzed the causation of spectrum leakage and put forward a solution method of spectrum leakage with window functions.The simulation result showed that Hann windows can reduce spectrum leakage commendably and satisfy accuracy of harmonic detection.
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