Volume 42 Issue 3
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ZHANG Tingzhong, MA Hongyu, SHI Manman, SUN Yidi. Study of harmonics detection based on parametric spectral estimation method[J]. Journal of Mine Automation, 2016, 42(3): 60-64. DOI: 10.13272/j.issn.1671-251x.2016.03.014
Citation: ZHANG Tingzhong, MA Hongyu, SHI Manman, SUN Yidi. Study of harmonics detection based on parametric spectral estimation method[J]. Journal of Mine Automation, 2016, 42(3): 60-64. DOI: 10.13272/j.issn.1671-251x.2016.03.014
shu

Study of harmonics detection based on parametric spectral estimation method

  • 1.

    School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221008, China

  • 2.

    College of Science, Nanjing University of Posts and Telecommunications, Nanjing 2

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  • Three parametric spectral estimation methods including Yule Walker, Burg and Covariance were studied and an improved Covariance method was proposed based on analysis of AR model. The four kinds of parametric spectral estimation method were used for harmonics, inter-harmonics, and sub-harmonic detection on Matlab simulation platform. The simulation results show that the parametric spectral estimation method can detect not only integer harmonics, but also has good detection effect on inter-harmonics and sub-harmonics, and Burg and improved Covariance method have the best detection effect.
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